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Test: Dell Latitude 7390 2-i-1 (i7-8650U, FHD) Omvandlingsbar (Sammanfattning)

Professionell omvandlingsbar… Det finns mycket att gilla med Latitude 7390 2-i-1, som dess fyrkärniga Core i7-8650U CPU, NVMe SSD, robusta hölje med kompakt fotavtryck och möjlighet till dubbel lagring. Men den bär också med sig sin beskärda del av nackdelar — och den är ganska dyr.
Dell Latitude 7390 2-in-1 (Latitude 13 7300 Serie)
Processor
Intel Core i7-8650U 4 x 1.9 - 4.2 GHz, Kaby Lake Refresh
Grafikkort
Intel UHD Graphics 620, Kärna: 1150 MHz, Minne: 1067 MHz, 22.20.16.4799
Minne
16 GB 
, LPDDR3
Skärm
13.30 tum 16:9, 1920 x 1080 pixlar 166 PPI, ja, AUO462D, IPS, glansig: ja
Moderkort
Intel Sunrise Point-LP
Hårddisk
SK hynix PC401 NVMe 500 GB
Ljudkort
Realtek ALC295 @ Intel Sunrise Point-LP PCH - High Definition Audio Controller
Anslutningar
2 USB 3.0, 2 USB 3.1 Gen2, 2 Thunderbolt, 1 HDMI, 1 Kensingtonlås, Ljudanslutningar: kombinerad 3.5 mm, Kortläsare: SD, 1 Fingeravtrycksläsare, Sensorer: gyrometer
Nätverk
Intel Dual Band Wireless-AC 8265 (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5/), Bluetooth 4.2
Storlek
höjd x bredd x djup (i mm) 20 x 306 x 211
Batteri
60 Wh, 7500 mAh Litiumjon
Operativsystem
Microsoft Windows 10 Pro 64 Bit
Camera
Webbkamera: 720p
Primary Camera: 1 MPix
Övrigt
Högtalare: 2.0, monterade i botten, Tangentbord: Chiclet, Tangentbordsbelysning: ja, 12 Månader Garanti, på plats efter fjärrdiagnos
Vikt
1.442 kg, Strömförsörjning: 290 g
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

328.9 mm 232.8 mm 15.9 mm 1.5 kg323.5 mm 217.1 mm 15.95 mm 1.1 kg316 mm 229 mm 18 mm 1.5 kg306 mm 211 mm 20 mm 1.4 kg306 mm 209 mm 20 mm 1.3 kg310 mm 216 mm 13.9 mm 1.1 kg297 mm 210 mm 1 mm 5.7 g
Front: No connections
Front: No connections
Rear: No connections
Rear: No connections
Right: Power button, volume rocker, 3.5 mm combo audio, microSD, SIM card, USB 3.0 powered, Kensington Lock
Right: Power button, volume rocker, 3.5 mm combo audio, microSD, SIM card, USB 3.0 powered, Kensington Lock
Left: Thunderbolt 3/Charging Port, Thunderbolt 3, HDMI, USB 3.0
Left: Thunderbolt 3/Charging Port, Thunderbolt 3, HDMI, USB 3.0
SD Card Reader
average JPG Copy Test (av. of 3 runs)
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
  (Toshiba Exceria Pro M501)
191.2 MB/s +15%
Dell Latitude 7390 2-in-1
  (Toshiba Exceria Pro M501 UHS-II)
166.2 MB/s
Dell Latitude 13 7380
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
76.6 MB/s -54%
Toshiba Portege A30-D-139
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
73 MB/s -56%
Asus ZenBook 13 UX331UN
  (Toshiba Exceria Pro M501 microSDXC 64GB)
69.7 MB/s -58%
Average of class Office
  (8 - 196.8, n=49, last 2 years)
55.8 MB/s -66%
maximum AS SSD Seq Read Test (1GB)
Dell Latitude 7390 2-in-1
  (Toshiba Exceria Pro M501 UHS-II)
229.6 MB/s
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
  (Toshiba Exceria Pro M501)
223.9 MB/s -2%
Dell Latitude 13 7380
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
87.8 MB/s -62%
Toshiba Portege A30-D-139
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
86.8 MB/s -62%
Asus ZenBook 13 UX331UN
  (Toshiba Exceria Pro M501 microSDXC 64GB)
84.9 MB/s -63%
Average of class Office
  (25 - 173.2, n=43, last 2 years)
65.6 MB/s -71%
Networking
iperf3 transmit AX12
Average of class Office
  (819 - 1332, n=4, last 2 years)
990 MBit/s +100%
Toshiba Portege A30-D-139
Intel Dual Band Wireless-AC 8265
665 MBit/s +34%
Asus ZenBook 13 UX331UN
Intel Dual Band Wireless-AC 8265
655 MBit/s +32%
Dell Latitude 13 7380
Intel Dual Band Wireless-AC 8265
534 MBit/s +8%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel Dual Band Wireless-AC 8265
511 MBit/s +3%
Dell Latitude 7390 2-in-1
Intel Dual Band Wireless-AC 8265
495 MBit/s
HP Elitebook 1040 G4-2XU40UT
Intel Dual Band Wireless-AC 8265
412 MBit/s -17%
iperf3 receive AX12
Average of class Office
  (721 - 1690, n=4, last 2 years)
1067 MBit/s +67%
Dell Latitude 7390 2-in-1
Intel Dual Band Wireless-AC 8265
639 MBit/s
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel Dual Band Wireless-AC 8265
633 MBit/s -1%
HP Elitebook 1040 G4-2XU40UT
Intel Dual Band Wireless-AC 8265
630 MBit/s -1%
Dell Latitude 13 7380
Intel Dual Band Wireless-AC 8265
600 MBit/s -6%
Toshiba Portege A30-D-139
Intel Dual Band Wireless-AC 8265
574 MBit/s -10%
Asus ZenBook 13 UX331UN
Intel Dual Band Wireless-AC 8265
522 MBit/s -18%
325.7
cd/m²
341.2
cd/m²
337.4
cd/m²
304.3
cd/m²
318.2
cd/m²
302.9
cd/m²
282.4
cd/m²
299
cd/m²
296
cd/m²
Distribution av ljusstyrkan
AUO462D tested with X-Rite i1Pro Basic 2
Max: 341.2 cd/m² (Nits) Medel: 311.9 cd/m²
Distribution av ljusstyrkan: 83 %
Mitt på batteriet: 318.2 cd/m²
Kontrast: 1061:1 (Svärta: 0.3 cd/m²)
ΔE Color 4.25 | 0.5-29.43 Ø5, calibrated: 4.38
ΔE Greyscale 2.1 | 0.57-98 Ø5.3
85% sRGB (Argyll 1.6.3 3D)
56% AdobeRGB 1998 (Argyll 1.6.3 3D)
62.9% AdobeRGB 1998 (Argyll 2.2.0 3D)
86.1% sRGB (Argyll 2.2.0 3D)
62.5% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.311
Dell Latitude 7390 2-in-1
AUO462D, IPS, 13.30, 1920x1080
Dell Latitude 13 7380
LGD0589, IPS, 13.30, 1920x1080
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
B140QAN02.0, IPS, 14.00, 2560x1440
HP Elitebook 1040 G4-2XU40UT
Chi Mei CMN14D7, IPS, 14.00, 1920x1080
Asus ZenBook 13 UX331UN
AU Optronics B133HAN04.9, IPS, 13.30, 1920x1080
Toshiba Portege A30-D-139
Toshiba TOS508F, IPS, 13.30, 1920x1080
Display
6%
38%
10%
1%
11%
Display P3 Coverage
62.5
65.5
5%
87.7
40%
66.8
7%
63.3
1%
68
9%
sRGB Coverage
86.1
91.8
7%
100
16%
97.1
13%
86.7
1%
98.1
14%
AdobeRGB 1998 Coverage
62.9
65.8
5%
99.9
59%
69
10%
63.4
1%
70
11%
Response Times
17%
-17%
16%
16%
10%
Response Time Grey 50% / Grey 80% *
48.8 ?(23.6, 25.2)
34 ?(17.2, 16.8)
30%
59.2 ?(28.4, 30.8)
-21%
34.4 ?(16.4, 18)
30%
44 ?(22, 22)
10%
40 ?(20, 20)
18%
Response Time Black / White *
30.4 ?(16.4, 14)
29.6 ?(17.2, 12.4)
3%
34.4 ?(16.4, 18)
-13%
30 ?(11.2, 18.8)
1%
24 ?(13, 11)
21%
30 ?(16, 14)
1%
PWM Frequency
26040 ?(59)
208 ?(10)
Screen
-31%
36%
-3%
1%
-10%
Brightness middle
318.2
317
0%
578
82%
295.9
-7%
329
3%
319
0%
Brightness
312
295
-5%
533
71%
287
-8%
306
-2%
296
-5%
Brightness Distribution
83
87
5%
84
1%
87
5%
86
4%
88
6%
Black Level *
0.3
0.3
-0%
0.38
-27%
0.23
23%
0.3
-0%
0.28
7%
Contrast
1061
1057
0%
1521
43%
1287
21%
1097
3%
1139
7%
Colorchecker dE 2000 *
4.25
6.3
-48%
1.9
55%
2.83
33%
4.07
4%
4.04
5%
Colorchecker dE 2000 max. *
9.49
10.4
-10%
3.8
60%
7.34
23%
7.05
26%
8.09
15%
Colorchecker dE 2000 calibrated *
4.38
0.8
82%
Greyscale dE 2000 *
2.1
7.8
-271%
3
-43%
5.2
-148%
2.76
-31%
5.5
-162%
Gamma
2.311 95%
1.81 122%
2.14 103%
2.28 96%
2.56 86%
2.4 92%
CCT
6588 99%
7120 91%
6377 102%
7056 92%
6915 94%
7198 90%
Color Space (Percent of AdobeRGB 1998)
56
61
9%
88.8
59%
63
13%
56
0%
64
14%
Color Space (Percent of sRGB)
85
92
8%
100
18%
97
14%
86
1%
98
15%
Total Average (Program / Settings)
-3% / -17%
19% / 30%
8% / 2%
6% / 3%
4% / -3%

* ... smaller is better

Display Response Times

Display response times show how fast the screen is able to change from one color to the next. Slow response times can lead to afterimages and can cause moving objects to appear blurry (ghosting). Gamers of fast-paced 3D titles should pay special attention to fast response times.
       Response Time Black to White
30.4 ms ... rise ↗ and fall ↘ combined↗ 16.4 ms rise
↘ 14 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 80 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (21.6 ms).
       Response Time 50% Grey to 80% Grey
48.8 ms ... rise ↗ and fall ↘ combined↗ 23.6 ms rise
↘ 25.2 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 82 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (33.9 ms).

Screen Flickering / PWM (Pulse-Width Modulation)

To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM not detected

In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 18080 (minimum: 5 - maximum: 3846000) Hz was measured.

CPU-Z CPU
CPU-Z CPU
CPU-Z Caches
CPU-Z Caches
CPU-Z Mainboard
CPU-Z Mainboard
CPU-Z Memory
CPU-Z Memory
GPU-Z
GPU-Z
Octane v2
Octane v2
ComputeMark
ComputeMark
LatencyMon
LatencyMon
Cinebench R15
CPU Single 64Bit
Average of class Office
  (82.6 - 284, n=117, last 2 years)
216 Points +28%
Dell Latitude 7390 2-in-1
Intel Core i7-8650U
169 Points
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel Core i7-8550U
168 Points -1%
HP Elitebook 1040 G4-2XU40UT
Intel Core i7-7820HQ
166 Points -2%
Average Intel Core i7-8650U
  (128 - 178, n=17)
165 Points -2%
Dell Latitude 13 7380
Intel Core i7-7600U
161 Points -5%
Asus ZenBook 13 UX331UN
Intel Core i7-8550U
150 Points -11%
Toshiba Portege A30-D-139
Intel Core i3-7100U
100 Points -41%
CPU Multi 64Bit
Average of class Office
  (160.8 - 2642, n=119, last 2 years)
1392 Points +149%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel Core i7-8550U
708 Points +26%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel Core i7-8550U
648 Points +16%
HP Elitebook 1040 G4-2XU40UT
Intel Core i7-7820HQ
663 Points +18%
Asus ZenBook 13 UX331UN
Intel Core i7-8550U
630 Points +13%
Average Intel Core i7-8650U
  (451 - 675, n=19)
589 Points +5%
Dell Latitude 7390 2-in-1
Intel Core i7-8650U
560 Points
Dell Latitude 13 7380
Intel Core i7-7600U
359 Points -36%
Toshiba Portege A30-D-139
Intel Core i3-7100U
256 Points -54%
Cinebench R11.5
CPU Single 64Bit
Average of class Office
  (0.99 - 2.97, n=12, last 2 years)
2.31 Points +23%
Average Intel Core i7-8650U
  (1.67 - 2.04, n=9)
1.899 Points +1%
Dell Latitude 7390 2-in-1
Intel Core i7-8650U
1.88 Points
Dell Latitude 13 7380
Intel Core i7-7600U
1.86 Points -1%
HP Elitebook 1040 G4-2XU40UT
Intel Core i7-7820HQ
1.83 Points -3%
Asus ZenBook 13 UX331UN
Intel Core i7-8550U
1.72 Points -9%
CPU Multi 64Bit
Average of class Office
  (1.93 - 20.3, n=12, last 2 years)
12.5 Points +99%
HP Elitebook 1040 G4-2XU40UT
Intel Core i7-7820HQ
7.36 Points +17%
Average Intel Core i7-8650U
  (5.04 - 7.24, n=9)
6.35 Points +1%
Asus ZenBook 13 UX331UN
Intel Core i7-8550U
6.29 Points 0%
Dell Latitude 7390 2-in-1
Intel Core i7-8650U
6.28 Points
Dell Latitude 13 7380
Intel Core i7-7600U
3.92 Points -38%
wPrime 2.10 - 1024m
Average of class Office
  (147.4 - 2103, n=11, last 2 years)
542 s * -79%
Dell Latitude 13 7380
Intel Core i7-7600U
445.8 s * -47%
HP Elitebook 1040 G4-2XU40UT
Intel Core i7-7820HQ
317 s * -5%
Dell Latitude 7390 2-in-1
Intel Core i7-8650U
302.8 s *
Average Intel Core i7-8650U
  (268 - 335, n=3)
302 s * -0%

* ... smaller is better

Cinebench R11.5 CPU Single 64Bit
1.88 Points
Cinebench R11.5 CPU Multi 64Bit
6.28 Points
Cinebench R11.5 OpenGL 64Bit
38.03 fps
Cinebench R15 CPU Single 64Bit
169 Points
Cinebench R15 CPU Multi 64Bit
560 Points
Cinebench R15 OpenGL 64Bit
46.62 fps
Cinebench R15 Ref. Match 64Bit
97.8 %
Hjälp
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Cinebench R15 CPU Multi 64 Bit
PCMark 8
Home Score Accelerated v2
Average of class Office
  (2304 - 4830, n=12, last 2 years)
4261 Points +13%
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
4186 Points +11%
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
3872 Points +3%
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
3780 Points +1%
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
3760 Points
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
3752 Points 0%
Average Intel Core i7-8650U, Intel UHD Graphics 620
  (3216 - 4103, n=10)
3722 Points -1%
Toshiba Portege A30-D-139
HD Graphics 620, i3-7100U, Toshiba SG5 THNSNK128GVN8
3247 Points -14%
Work Score Accelerated v2
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
5161 Points +4%
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
5060 Points +2%
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
4978 Points
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
4811 Points -3%
Average Intel Core i7-8650U, Intel UHD Graphics 620
  (3926 - 5200, n=8)
4789 Points -4%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
4664 Points -6%
Toshiba Portege A30-D-139
HD Graphics 620, i3-7100U, Toshiba SG5 THNSNK128GVN8
4113 Points -17%
Average of class Office
  (1854 - 5610, n=12, last 2 years)
3746 Points -25%
Creative Score Accelerated v2
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
5275 Points +8%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
5027 Points +3%
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
4958 Points +2%
Average Intel Core i7-8650U, Intel UHD Graphics 620
  (4454 - 5225, n=6)
4895 Points +1%
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
4869 Points
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
4765 Points -2%
Average of class Office
  (2111 - 5088, n=5, last 2 years)
4168 Points -14%
PCMark 8 Home Score Accelerated v2
3760 poäng
PCMark 8 Creative Score Accelerated v2
4869 poäng
PCMark 8 Work Score Accelerated v2
4978 poäng
PCMark 10 Score
3520 poäng
Hjälp
Dell Latitude 7390 2-in-1
SK hynix PC401 NVMe 500 GB
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Samsung SSD PM981 MZVLB512HAJQ
HP Elitebook 1040 G4-2XU40UT
Toshiba XG4 NVMe (THNSN5512GPUK)
Asus ZenBook 13 UX331UN
SK Hynix HFS256G39TND-N210A
Toshiba Portege A30-D-139
Toshiba SG5 THNSNK128GVN8
AS SSD
65%
-12%
-80%
-91%
Copy Game MB/s
473.6
1107
134%
394.2
-17%
154.1
-67%
Copy Program MB/s
223.5
460.2
106%
133.7
-40%
129.7
-42%
Copy ISO MB/s
1377
1247
-9%
534
-61%
192.4
-86%
Score Total
2057
3529
72%
2299
12%
991
-52%
650
-68%
Score Write
781
1801
131%
848
9%
323
-59%
163
-79%
Score Read
877
1168
33%
979
12%
445
-49%
330
-62%
Access Time Write *
0.052
0.027
48%
0.038
27%
0.23
-342%
0.085
-63%
Access Time Read *
0.045
0.029
36%
0.105
-133%
0.09
-100%
0.2
-344%
4K-64 Write
606
1529
152%
662
9%
233.1
-62%
83.7
-86%
4K-64 Read
643
876
36%
782
22%
368.4
-43%
257.8
-60%
4K Write
103.4
134.3
30%
100.1
-3%
68.9
-33%
66.8
-35%
4K Read
42.12
52.4
24%
38.49
-9%
27.98
-34%
21.64
-49%
Seq Write
711
1376
94%
863
21%
213.7
-70%
128.6
-82%
Seq Read
1911
2396
25%
1585
-17%
483.7
-75%
502
-74%

* ... smaller is better

SK hynix PC401 NVMe 500 GB
CDM 5/6 Read Seq Q32T1: 2585 MB/s
CDM 5/6 Write Seq Q32T1: 1374 MB/s
CDM 5/6 Read 4K Q32T1: 387.7 MB/s
CDM 5/6 Write 4K Q32T1: 600 MB/s
CDM 5 Read Seq: 1852 MB/s
CDM 5 Write Seq: 1256 MB/s
CDM 5/6 Read 4K: 46.01 MB/s
CDM 5/6 Write 4K: 131.7 MB/s
3DMark 11
1280x720 Performance GPU
Average of class Office
  (1474 - 12230, n=113, last 2 years)
5932 Points +271%
Asus ZenBook 13 UX331UN
NVIDIA GeForce MX150, i5-8550U
3461 Points +116%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel UHD Graphics 620, i5-8550U
1901 Points +19%
Average Intel UHD Graphics 620
  (1144 - 3432, n=244)
1749 Points +9%
HP Elitebook 1040 G4-2XU40UT
Intel HD Graphics 630, i7-7820HQ
1732 Points +8%
Dell Latitude 13 7380
Intel HD Graphics 620, i7-7600U
1633 Points +2%
Dell Latitude 7390 2-in-1
Intel UHD Graphics 620, i7-8650U
1600 Points
Toshiba Portege A30-D-139
Intel HD Graphics 620, i3-7100U
1369 Points -14%
1280x720 Performance Combined
Average of class Office
  (1184 - 9527, n=113, last 2 years)
4539 Points +183%
Asus ZenBook 13 UX331UN
NVIDIA GeForce MX150, i5-8550U
3553 Points +122%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel UHD Graphics 620, i5-8550U
1880 Points +17%
HP Elitebook 1040 G4-2XU40UT
Intel HD Graphics 630, i7-7820HQ
1829 Points +14%
Dell Latitude 7390 2-in-1
Intel UHD Graphics 620, i7-8650U
1604 Points
Average Intel UHD Graphics 620
  (927 - 2505, n=244)
1578 Points -2%
Dell Latitude 13 7380
Intel HD Graphics 620, i7-7600U
1322 Points -18%
Toshiba Portege A30-D-139
Intel HD Graphics 620, i3-7100U
1178 Points -27%
3DMark
1280x720 Cloud Gate Standard Graphics
Average of class Office
  (5681 - 58068, n=96, last 2 years)
24181 Points +169%
Asus ZenBook 13 UX331UN
NVIDIA GeForce MX150, i5-8550U
18346 Points +104%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel UHD Graphics 620, i5-8550U
10123 Points +13%
HP Elitebook 1040 G4-2XU40UT
Intel HD Graphics 630, i7-7820HQ
9921 Points +10%
Average Intel UHD Graphics 620
  (6205 - 16400, n=225)
9262 Points +3%
Dell Latitude 7390 2-in-1
Intel UHD Graphics 620, i7-8650U
8995 Points
Dell Latitude 13 7380
Intel HD Graphics 620, i7-7600U
7794 Points -13%
Toshiba Portege A30-D-139
Intel HD Graphics 620, i3-7100U
6989 Points -22%
1920x1080 Fire Strike Graphics
Average of class Office
  (712 - 8815, n=115, last 2 years)
4125 Points +305%
Asus ZenBook 13 UX331UN
NVIDIA GeForce MX150, i5-8550U
2826 Points +178%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Intel UHD Graphics 620, i5-8550U
1283 Points +26%
HP Elitebook 1040 G4-2XU40UT
Intel HD Graphics 630, i7-7820HQ
1198 Points +18%
Average Intel UHD Graphics 620
  (557 - 2608, n=213)
1161 Points +14%
Dell Latitude 7390 2-in-1
Intel UHD Graphics 620, i7-8650U
1018 Points
Dell Latitude 13 7380
Intel HD Graphics 620, i7-7600U
926 Points -9%
Toshiba Portege A30-D-139
Intel HD Graphics 620, i3-7100U
807 Points -21%
1920x1080 Ice Storm Extreme Graphics
Average of class Office
  (24762 - 137729, n=5, last 2 years)
73278 Points +67%
Dell Latitude 7390 2-in-1
Intel UHD Graphics 620, i7-8650U
43838 Points
Average Intel UHD Graphics 620
  (26409 - 59483, n=71)
42924 Points -2%
Dell Latitude 13 7380
Intel HD Graphics 620, i7-7600U
40760 Points -7%
3DMark 06 Standard Score
9648 poäng
3DMark 11 Performance
1808 poäng
3DMark Ice Storm Standard Score
64396 poäng
3DMark Cloud Gate Standard Score
8115 poäng
3DMark Fire Strike Score
950 poäng
3DMark Fire Strike Extreme Score
395 poäng
Hjälp
BioShock Infinite
1280x720 Very Low Preset (sort by value)
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
56 fps
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
44 fps -21%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
56.9 fps +2%
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
79 fps +41%
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
98.1 fps +75%
Average Intel UHD Graphics 620
  (18.3 - 90.2, n=187)
60.7 fps +8%
1366x768 Medium Preset (sort by value)
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
33 fps
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
27 fps -18%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
36.2 fps +10%
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
35 fps +6%
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
78.9 fps +139%
Average Intel UHD Graphics 620
  (11.5 - 45.5, n=187)
32.8 fps -1%
1366x768 High Preset (sort by value)
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
27 fps
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
22 fps -19%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
30.4 fps +13%
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
30 fps +11%
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
71.7 fps +166%
Average Intel UHD Graphics 620
  (8.1 - 35.9, n=187)
27.5 fps +2%
1920x1080 Ultra Preset, DX11 (DDOF) (sort by value)
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
10 fps
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
7 fps -30%
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
10.4 fps +4%
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
27.8 fps +178%
Average Intel UHD Graphics 620
  (4.5 - 17, n=176)
9.2 fps -8%
låg med. hög ultra
BioShock Infinite (2013) 56 33 27 10

Ljudnivå

Låg belastning
28.2 / 28.2 / 28.2 dB(A)
Hög belastning
32 / 41.6 dB(A)
  red to green bar
 
 
30 dB
tyst
40 dB(A)
hörbar
50 dB(A)
högt ljud
 
min: dark, med: mid, max: light   BK Precision 732A (15 cm avstånd)   environment noise: 28.2 dB(A)
Dell Latitude 7390 2-in-1
UHD Graphics 620, i7-8650U, SK hynix PC401 NVMe 500 GB
Dell Latitude 13 7380
HD Graphics 620, i7-7600U, Samsung PM961 MZVLW256HEHP
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
UHD Graphics 620, i5-8550U, Samsung SSD PM981 MZVLB512HAJQ
HP Elitebook 1040 G4-2XU40UT
HD Graphics 630, i7-7820HQ, Toshiba XG4 NVMe (THNSN5512GPUK)
Asus ZenBook 13 UX331UN
GeForce MX150, i5-8550U, SK Hynix HFS256G39TND-N210A
Toshiba Portege A30-D-139
HD Graphics 620, i3-7100U, Toshiba SG5 THNSNK128GVN8
Noise
3%
-3%
2%
-8%
-7%
off / environment *
28.2
28
1%
28.9
-2%
28.2
-0%
30.13
-7%
30
-6%
Idle Minimum *
28.2
28
1%
28.9
-2%
28.2
-0%
30.13
-7%
30
-6%
Idle Average *
28.2
28
1%
28.9
-2%
28.2
-0%
30.3
-7%
30
-6%
Idle Maximum *
28.2
29.6
-5%
32.5
-15%
28.2
-0%
30.3
-7%
30
-6%
Load Average *
32
30.6
4%
35.1
-10%
33.3
-4%
39.2
-23%
39.3
-23%
Load Maximum *
41.6
35.4
15%
35.1
16%
35.3
15%
41
1%
38.3
8%

* ... smaller is better

Hög belastning
 40.2 °C44 °C32.6 °C 
 35.6 °C37.8 °C26.8 °C 
 27.4 °C27 °C25.2 °C 
Max: 44 °C
Medel: 33 °C
28.6 °C50.6 °C45.8 °C
28.2 °C37.6 °C39.4 °C
27.2 °C31.4 °C33.2 °C
Max: 50.6 °C
Medel: 35.8 °C
Strömförsörjning (max.)  29 °C | Rumstemperatur 20 °C | Fluke 62 Mini IR Thermometer
(±) The average temperature for the upper side under maximal load is 33 °C / 91 F, compared to the average of 29.5 °C / 85 F for the devices in the class Office.
(±) The maximum temperature on the upper side is 44 °C / 111 F, compared to the average of 34.2 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(-) The bottom heats up to a maximum of 50.6 °C / 123 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 25.2 °C / 77 F, compared to the device average of 29.5 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 27.4 °C / 81.3 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 27.7 °C / 81.9 F (+0.3 °C / 0.6 F).
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2034.538.234.52534.833.834.83134.833.334.8403233.6325033.232.533.26331.832.231.88031.929.131.91003930.2391254229.74216046.427.646.42005027.25025050.625.950.63155426.15440059.125.359.150064.124.664.163065246580077.12477.1100077.623.277.6125074.323.174.3160071.622.871.620006522.765250069.422.569.4315063.922.263.9400060.422.260.4500059.922.159.9630062.622.262.6800077.422.177.41000077.622.277.61250067.522.367.51600070.622.570.6SPL84.335.184.3N55.72.455.7median 64.1median 23.1median 64.1Delta8.61.88.634.83330.328.135.438.130.332.226.631.825.827.624.725.123.926.524.833.424.141.923.94821.85120.155.318.261.117.366.61770.316.578.416.57515.868.915.770.615.467.615.569.21672.916.268.616.7701771.217.272.217.470.917.365.817.256.228.983.61.258.7median 17.2median 68.627.7hearing rangehide median Pink NoiseDell Latitude 7390 2-in-1Lenovo ThinkPad X1 Carbon 2018-20KGS03900
Dell Latitude 7390 2-in-1 audio analysis

(+) | speakers can play relatively loud (84.3 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.1% lower than median
(±) | linearity of bass is average (9% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 6.4% higher than median
(±) | linearity of mids is average (11.1% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 6% higher than median
(±) | linearity of highs is average (11% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (22.8% difference to median)
Compared to same class
» 58% of all tested devices in this class were better, 9% similar, 33% worse
» The best had a delta of 7%, average was 22%, worst was 53%
Compared to all devices tested
» 62% of all tested devices were better, 6% similar, 31% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Lenovo ThinkPad X1 Carbon 2018-20KGS03900 audio analysis

(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 25.9% lower than median
(±) | linearity of bass is average (9.8% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 3.8% away from median
(±) | linearity of mids is average (9% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.1% away from median
(+) | highs are linear (4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (18.7% difference to median)
Compared to same class
» 29% of all tested devices in this class were better, 6% similar, 65% worse
» The best had a delta of 7%, average was 22%, worst was 53%
Compared to all devices tested
» 37% of all tested devices were better, 8% similar, 55% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Strömförbrukning
Av/Standbydarklight 0.25 / 0.57 Watt
Låg belastningdarkmidlight 2.6 / 5.7 / 6 Watt
Hög belastning midlight 29.2 / 38.8 Watt
 color bar
Förklaring: min: dark, med: mid, max: light        Metrahit Energy
Currently we use the Metrahit Energy, a professional single phase power quality and energy measurement digital multimeter, for our measurements. Find out more about it here. All of our test methods can be found here.
Dell Latitude 7390 2-in-1
i7-8650U, UHD Graphics 620, SK hynix PC401 NVMe 500 GB, IPS, 1920x1080, 13.30
Dell Latitude 13 7380
i7-7600U, HD Graphics 620, Samsung PM961 MZVLW256HEHP, IPS, 1920x1080, 13.30
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
i5-8550U, UHD Graphics 620, Samsung SSD PM981 MZVLB512HAJQ, IPS, 2560x1440, 14.00
HP Elitebook 1040 G4-2XU40UT
i7-7820HQ, HD Graphics 630, Toshiba XG4 NVMe (THNSN5512GPUK), IPS, 1920x1080, 14.00
Asus ZenBook 13 UX331UN
i5-8550U, GeForce MX150, SK Hynix HFS256G39TND-N210A, IPS, 1920x1080, 13.30
Toshiba Portege A30-D-139
i3-7100U, HD Graphics 620, Toshiba SG5 THNSNK128GVN8, IPS, 1920x1080, 13.30
Power Consumption
-1%
-60%
-60%
-9%
-10%
Idle Minimum *
2.6
3.2
-23%
3.8
-46%
5.1
-96%
2.2
15%
3.2
-23%
Idle Average *
5.7
5.5
4%
8.9
-56%
7
-23%
5
12%
6.8
-19%
Idle Maximum *
6
6.1
-2%
11.9
-98%
11.7
-95%
8
-33%
8
-33%
Load Average *
29.2
29.5
-1%
47.5
-63%
41.2
-41%
33
-13%
30.4
-4%
Load Maximum *
38.8
32
18%
52.5
-35%
56.9
-47%
49.4
-27%
28
28%

* ... smaller is better

Batteritid
WiFi Websurfing
9tim 13min
Hög belastning (maximal ljusstyrka)
2tim 15min
Dell Latitude 7390 2-in-1
i7-8650U, UHD Graphics 620, 60 Wh
Dell Latitude 13 7380
i7-7600U, HD Graphics 620, 60 Wh
Lenovo ThinkPad X1 Carbon 2018-20KGS03900
i5-8550U, UHD Graphics 620, 57 Wh
HP Elitebook 1040 G4-2XU40UT
i7-7820HQ, HD Graphics 630, 67 Wh
Asus ZenBook 13 UX331UN
i5-8550U, GeForce MX150, 50 Wh
Toshiba Portege A30-D-139
i3-7100U, HD Graphics 620, 45 Wh
Battery Runtime
9%
-14%
-5%
-13%
11%
WiFi v1.3
553
630
14%
519
-6%
665
20%
538
-3%
548
-1%
Load
135
141
4%
106
-21%
96
-29%
105
-22%
165
22%

För

+ robust, attraktiv konstruktion
+ väldigt bra inmatningsenheter
+ allmänt snabb systemprestanda
+ relativt lätt att underhålla
+ utmärkt portutbud
+ litet fotavtryck
+ kapabel till dubbel lagring (2 st M.2 SSD)

Emot

- Core i7-alternativet ger få fördelar utöver den enkelkärniga prestandan
- maskinen är ganska tung i toppen tack vare tjockare skärmlock
- skärmen är kraftigt reflekterande/blank
- medioker färgtäckning och noggrannhet
- aningen tung för sin storlek
- nyttan av en omvandlingsbar design i en typisk företagsmiljö kan ifrågasättas
The Dell Latitude 7390 2-in-1. Test model provided by Dell US
The Dell Latitude 7390 2-in-1. Test model provided by Dell US

Läs den fullständiga versionen av den här recensionen på engelska här.

Latitude 7390 2-i-1 är en välbyggd, robust och attraktiv maskin med väldigt bra inmatningsenheter och allmänt snabb systemprestanda. Den kommer också med utmärkta anslutningsmöjligheter, är lätt att underhålla och har ett fotavtryck som är mindre än genomsnittet för sin klass. Särskilt imponerande är alternativet för duallagring, vilket möjliggörs av den lediga WWAN-platsen, som också kan inhysa en M.2/NVMe 2230 SSD. Men även om CPU-prestandan är ganska mycket snabbare än jämförbara maskiner från den tidigare generationen så ser vi få saker som rättfärdigar Core i7-konfigurationen som vi har fått som recensionsex. Istället skulle vi, om det inte bara är enkeltrådade applikationer som står på agendan, rekommendera att köra på en billigare Core i5-konfiguration istället.

Latitude 7390 2-i-1 är en välbyggd, robust och attraktiv maskin med väldigt bra inmatningsenheter och allmänt snabb systemprestanda. Men den har ett antal nackdelar och det är verkligen inte en liten investering — så innan du dyker in rekommenderar vi verkligen att du spanar runt lite.

Vidare så hålls 7390 2-i-1 tillbaka av ett antal frågetecken. Det finns bara blanka tryckkänsliga skärmar tillgängliga för konfiguration och ingen av dom är särskilt imponerande när det kommer till färgtäckning — åtminstone inte jämfört med ledarna i denna kategori såsom ThinkPad X1 Carbon. NVMe SSD-enheten vi fick i vår enhet kunde knappast hålla jämna steg med toppskiktsenheter såsom Samsungs motsvarigheter. Maskinen är ganska tung för sin storlek och på grund av dess tjockare och jämförelsevis tunga skärmlock så känns den inte riktigt så stabil i knät som vi hade önskat. Till sist finns alltid frågan om huruvida dom flesta i en företagsmiljö verkligen behöver dom omvandlingsbara funktionerna som erbjuds av dessa Yoga-aktiga maskiner. Dell har redan ett fullt kapabelt och extremt välbalanserat alternativ i sin konventionella Latitude 7380 (och även om vi ännu inte recenserat den, troligen också 7390) — och den kan utrustas med en reflektionsbeständig skärm, är lättare och känns totalt sett mer stabil när den står på något.

Andra maskiner som är värda att överväga (utöver dom konventionella Latitude 7380/7390) är den utomordentliga ThinkPad X1 Carbon 2018 och Asus Zenbook 13 UX331UA. För ca 17 000 kronor (som konfigurerad här) är Latitude 7390 2-i-1 verkligen inte en liten investering — så innan du dyker in rekommenderar vi verkligen att du spanar runt lite.

Dell Latitude 7390 2-in-1 - 03/20/2018 v6(old)
Steve Schardein

Design
85 / 98 → 87%
Tangentbord
92%
Mus
80%
Anslutningar
61 / 80 → 76%
Vikt
70 / 20-67 → 100%
Batteri
92%
Skärm
83%
Spelprestanda
59 / 68 → 87%
Programprestanda
92 / 92 → 100%
Temperatur
89%
Ljudnivå
91%
Audio
50%
Camera
63 / 85 → 74%
Medel
78%
87%
Office - Vägt medel

Pricecompare

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> Bärbara datorer, laptops - tester och nyheter > Tester > Test: Dell Latitude 7390 2-i-1 (i7-8650U, FHD) Omvandlingsbar (Sammanfattning)
Steve Schardein, 2018-03-27 (Update: 2018-03-27)