Notebookcheck

Test: HP EliteBook 840 G4 (7200U, Full HD) (sammanfattning)

Andreas Osthoff, 04/18/2017

Inte mycket nytt på HP-fronten. Vi testar nya HP EliteBook 840 G4 – en företagsdator med Kaby Lake-processorer, men i övrigt få förändringar jämfört med tidigare modeller. Detsamma häller skärmen, som är relativt ljusstark men misslyckas med att imponera i övrigt.

HP EliteBook 840 G4-Z2V49ET ABD (EliteBook 840 Serie)
Processor
Intel Core i5-7200U
Grafikkort
Intel HD Graphics 620
Minne
8192 MB 
, DDR4-2133, 1/2 platser används, max 32 GB
Skärm
14 tum 16:9, 1920x1080 pixlar 157 PPI, AUO123D, TN, glansig: nej
Moderkort
Intel Kaby Lake-U Premium PCH
Hårddisk
Samsung PM961 MZVLW256HEHP, 256 GB 
Ljudkort
Intel Kaby Lake-U/Y PCH - High Definition Audio
Anslutningar
2 USB 3.0, 1 USB 3.1 Gen2, 1 VGA, 1 HDMI, 1 DisplayPort, 1 Kensingtonlås, 1 Dockningsstation, Ljudanslutningar: 3,5 mm, Kortläsare: SD (SD, SDHC, SDXC), 1 SmartCard, 1 Fingeravtrycksläsare
Nätverk
Intel Ethernet Connection I219-V (10/100/1000MBit), Intel Dual Band Wireless-AC 8265 (a/b/g/n/ac), Bluetooth 4.2, LTE, LTE
Storlek
höjd x bredd x djup (i mm) 18.9 x 338 x 237
Batteri
51 Wh Litiumjon, Batteritid (enligt tillverkaren): 15 tim
Operativsystem
Microsoft Windows 10 Pro 64 Bit
Camera
Webbkamera: 720p HD
Övrigt
Högtalare: Stereo, Tangentbord: Chiclet, Tangentbordsbelysning: ja, 45-wattsadapter, pamfletter, HP Tools, Microsoft Office 365 (testversion), 36 Månader Garanti
Vikt
1.48 kg, Strömförsörjning: 283 g
Pris
1539 Kr
Länkar

 

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Size Comparison

Left side: Kensington lock, VGA, USB 3.0, SmartCard reader
Left side: Kensington lock, VGA, USB 3.0, SmartCard reader
Right side: USB-C Gen.1, DisplayPort 1.2, SD-card reader (not visible), 3.5 mm audio, USB 3.0, RJ45, docking port, Micro-SIM, power
Right side: USB-C Gen.1, DisplayPort 1.2, SD-card reader (not visible), 3.5 mm audio, USB 3.0, RJ45, docking port, Micro-SIM, power
SDCardreader Transfer Speed
average JPG Copy Test (av. of 3 runs)
Lenovo ThinkPad T470s-20HGS00V00
79.3 MB/s ∼100% +6%
Lenovo ThinkPad T470-20HD002HGE
76.6 MB/s ∼97% +2%
HP EliteBook 840 G4-Z2V49ET ABD
74.9 MB/s ∼94%
Fujitsu LifeBook U747
72.6 MB/s ∼92% -3%
HP EliteBook 840 G3 T9X59ET#ABD
61 MB/s ∼77% -19%
maximum AS SSD Seq Read Test (1GB)
Lenovo ThinkPad T470s-20HGS00V00
90.5 MB/s ∼100% +8%
Lenovo ThinkPad T470-20HD002HGE
88.74 MB/s ∼98% +6%
HP EliteBook 840 G4-Z2V49ET ABD
83.7 MB/s ∼92%
HP EliteBook 840 G3 T9X59ET#ABD
83.6 MB/s ∼92% 0%
Fujitsu LifeBook U747
83.3 MB/s ∼92% 0%
Networking
iperf3 Client (receive) TCP 1 m 4M x10
Lenovo ThinkPad T470-20HD002HGE
Intel Dual Band Wireless-AC 8265
657 MBit/s ∼100% +13%
Fujitsu LifeBook U747
Intel Dual Band Wireless-AC 8265
655 MBit/s ∼100% +13%
Lenovo ThinkPad T470s-20HGS00V00
Intel Dual Band Wireless-AC 8265
639 MBit/s ∼97% +10%
HP EliteBook 840 G4-Z2V49ET ABD
Intel Dual Band Wireless-AC 8265 (jseb)
579 MBit/s ∼88%
iperf3 Client (transmit) TCP 1 m 4M x10
Lenovo ThinkPad T470-20HD002HGE
Intel Dual Band Wireless-AC 8265
512 MBit/s ∼100% +1%
HP EliteBook 840 G4-Z2V49ET ABD
Intel Dual Band Wireless-AC 8265 (jseb)
509 MBit/s ∼99%
Fujitsu LifeBook U747
Intel Dual Band Wireless-AC 8265
509 MBit/s ∼99% 0%
Lenovo ThinkPad T470s-20HGS00V00
Intel Dual Band Wireless-AC 8265
297 MBit/s ∼58% -42%
315
cd/m²
323
cd/m²
311
cd/m²
296
cd/m²
346
cd/m²
304
cd/m²
304
cd/m²
345
cd/m²
311
cd/m²
Distribution av ljusstyrkan
X-Rite i1Pro 2
Max: 346 cd/m² Medel: 317.2 cd/m² Minimum: 22.4 cd/m²
Distribution av ljusstyrkan: 86 %
Mitt på batteriet: 346 cd/m²
Kontrast: 402:1 (Svärta: 0.86 cd/m²)
ΔE Color 8.64 | - Ø
ΔE Greyscale 11.24 | - Ø
80% sRGB (Argyll) 52% AdobeRGB 1998 (Argyll)
Gamma: 2.62
HP EliteBook 840 G4-Z2V49ET ABD
AUO123D, , 1920x1080, 14
Lenovo ThinkPad T470-20HD002HGE
N140HCA-EAB, , 1920x1080, 14
Lenovo ThinkPad T470s-20HGS00V00
B140QAN01.5, , 2560x1440, 14
Fujitsu LifeBook U747
LG LP140WF3, , 1920x1080, 14
HP EliteBook Folio 1040 G3
AUO1136, , 2560x1440, 14
HP EliteBook 840 G3 T9X59ET#ABD
Chi Mei CMN14C0, , 1920x1080, 14
Response Times
-28%
-22%
4%
-17%
-10%
Response Time Grey 50% / Grey 80% *
39 (20, 19, Plateau)
41.6 (20.4, 21.2)
-7%
46.4 (20.4, 26)
-19%
36 (16.4, 19.6)
8%
46.4 (16.4, 30)
-19%
43 (20, 23)
-10%
Response Time Black / White *
23 (6, 17, Plateau)
34 (9.6, 24.4)
-48%
28.8 (16.4, 12.4)
-25%
23.2 (12.4, 10.8)
-1%
26.4 (6.8, 19.6)
-15%
25 (9, 16)
-9%
PWM Frequency
204 (90)
Screen
30%
48%
38%
43%
4%
Brightness
317
287
-9%
311
-2%
296
-7%
316
0%
336
6%
Brightness Distribution
86
88
2%
88
2%
84
-2%
87
1%
87
1%
Black Level *
0.86
0.3
65%
0.25
71%
0.32
63%
0.35
59%
0.65
24%
Contrast
402
1020
154%
1308
225%
909
126%
934
132%
563
40%
Colorchecker DeltaE2000 *
8.64
6.2
28%
6.1
29%
4.3
50%
4.39
49%
10.26
-19%
Greyscale DeltaE2000 *
11.24
5.8
48%
8.8
22%
4.3
62%
4.69
58%
11.51
-2%
Gamma
2.62 92%
2.04 118%
2.18 110%
2.31 104%
2.15 112%
2.4 100%
CCT
12530 52%
6277 104%
6172 105%
6529 100%
7101 92%
12725 51%
Color Space (Percent of AdobeRGB 1998)
52
39.62
-24%
61.56
18%
55.46
7%
62.52
20%
47
-10%
Color Space (Percent of sRGB)
80
61.44
-23%
94.88
19%
84.77
6%
96.71
21%
74
-7%
Total Average (Program / Settings)
1% / 19%
13% / 34%
21% / 31%
13% / 31%
-3% / 1%

* ... 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
23 ms ... rise ↗ and fall ↘ combined↗ 6 ms rise
↘ 17 ms fall
The screen shows good response rates in our tests, but may be too slow for competitive gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 22 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (26.7 ms).
       Response Time 50% Grey to 80% Grey
39 ms ... rise ↗ and fall ↘ combined↗ 20 ms rise
↘ 19 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.9 (minimum) to 636 (maximum) ms. » 40 % of all devices are better.
This means that the measured response time is similar to the average of all tested devices (42.8 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: 57 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 6272 (minimum: 43 - maximum: 142900) Hz was measured.

0102030405060708090100110120130140150160170180190200210220230240250260270280290300310320330Tooltip
Cinebench R15 CPU Multi 64 Bit
Cinebench R15
CPU Single 64Bit
Lenovo ThinkPad T470s-20HGS00V00
Intel Core i7-7600U
162 Points ∼83% +36%
Fujitsu LifeBook U747
Intel Core i5-7200U
130 Points ∼67% +9%
Lenovo ThinkPad T470-20HD002HGE
Intel Core i5-7200U
126 Points ∼65% +6%
HP EliteBook Folio 1040 G3
Intel Core i5-6300U
124 Points ∼64% +4%
HP EliteBook 840 G3 T9X59ET#ABD
Intel Core i7-6500U
119 Points ∼61% 0%
HP EliteBook 840 G4-Z2V49ET ABD
Intel Core i5-7200U
119 Points ∼61%
CPU Multi 64Bit
Lenovo ThinkPad T470s-20HGS00V00
Intel Core i7-7600U
368 Points ∼17% +12%
Fujitsu LifeBook U747
Intel Core i5-7200U
331 Points ∼15% +1%
HP EliteBook 840 G4-Z2V49ET ABD
Intel Core i5-7200U
329 Points ∼15%
Lenovo ThinkPad T470-20HD002HGE
Intel Core i5-7200U
326 Points ∼15% -1%
HP EliteBook 840 G3 T9X59ET#ABD
Intel Core i7-6500U
322 Points ∼15% -2%
HP EliteBook Folio 1040 G3
Intel Core i5-6300U
303 Points ∼14% -8%
Cinebench R15 CPU Single 64Bit
119 Points
Cinebench R15 CPU Multi 64Bit
329 Points
Cinebench R15 OpenGL 64Bit
38.88 fps
Cinebench R15 Ref. Match 64Bit
97.7 %
Hjälp
PCMark 8
Work Score Accelerated v2
Lenovo ThinkPad T470s-20HGS00V00
HD Graphics 620, 7600U, Samsung SSD PM961 1TB M.2 PCIe 3.0 x4 NVMe (MZVLW1T0)
4856 Points ∼75% +6%
Lenovo ThinkPad T470-20HD002HGE
HD Graphics 620, 7200U, Samsung PM961 NVMe MZVLW512HMJP
4667 Points ∼72% +2%
Fujitsu LifeBook U747
HD Graphics 620, 7200U, Samsung MZYTY256HDHP
4653 Points ∼71% +2%
HP EliteBook 840 G4-Z2V49ET ABD
HD Graphics 620, 7200U, Samsung PM961 MZVLW256HEHP
4572 Points ∼70%
HP EliteBook 840 G3 T9X59ET#ABD
HD Graphics 520, 6500U, Samsung SSD PM851 256 GB MZNTE256HMHP
4275 Points ∼66% -6%
HP EliteBook Folio 1040 G3
HD Graphics 520, 6300U, Samsung SM951 MZVPV256HDGL m.2 PCI-e
4241 Points ∼65% -7%
Home Score Accelerated v2
Lenovo ThinkPad T470s-20HGS00V00
HD Graphics 620, 7600U, Samsung SSD PM961 1TB M.2 PCIe 3.0 x4 NVMe (MZVLW1T0)
3968 Points ∼66% +14%
Lenovo ThinkPad T470-20HD002HGE
HD Graphics 620, 7200U, Samsung PM961 NVMe MZVLW512HMJP
3507 Points ∼59% +1%
Fujitsu LifeBook U747
HD Graphics 620, 7200U, Samsung MZYTY256HDHP
3506 Points ∼59% +1%
HP EliteBook 840 G4-Z2V49ET ABD
HD Graphics 620, 7200U, Samsung PM961 MZVLW256HEHP
3486 Points ∼58%
HP EliteBook Folio 1040 G3
HD Graphics 520, 6300U, Samsung SM951 MZVPV256HDGL m.2 PCI-e
3305 Points ∼55% -5%
HP EliteBook 840 G3 T9X59ET#ABD
HD Graphics 520, 6500U, Samsung SSD PM851 256 GB MZNTE256HMHP
3231 Points ∼54% -7%
PCMark 8 Home Score Accelerated v2
3486 poäng
PCMark 8 Creative Score Accelerated v2
4352 poäng
PCMark 8 Work Score Accelerated v2
4572 poäng
Hjälp
HP EliteBook 840 G4-Z2V49ET ABD
Samsung PM961 MZVLW256HEHP
Lenovo ThinkPad T470-20HD002HGE
Samsung PM961 NVMe MZVLW512HMJP
Lenovo ThinkPad T470s-20HGS00V00
Samsung SSD PM961 1TB M.2 PCIe 3.0 x4 NVMe (MZVLW1T0)
Fujitsu LifeBook U747
Samsung MZYTY256HDHP
HP EliteBook Folio 1040 G3
Samsung SM951 MZVPV256HDGL m.2 PCI-e
HP EliteBook 840 G3 T9X59ET#ABD
Samsung SSD PM851 256 GB MZNTE256HMHP
CrystalDiskMark 3.0
-10%
12%
-50%
9%
-56%
Write 4k QD32
410.2
425.4
4%
532.8
30%
249.7
-39%
376.7
-8%
242.8
-41%
Read 4k QD32
512.9
496.2
-3%
629.8
23%
399.1
-22%
559.2
9%
388.5
-24%
Write 4k
157.1
134.6
-14%
167.4
7%
87.8
-44%
159.9
2%
82.57
-47%
Read 4k
61.38
55.46
-10%
53.15
-13%
35.73
-42%
53.26
-13%
27.02
-56%
Write 512
803.5
861.6
7%
1064
32%
283.4
-65%
1244
55%
241.8
-70%
Read 512
921.8
810.6
-12%
832.3
-10%
396.7
-57%
1252
36%
396
-57%
Write Seq
1263
1076
-15%
1666
32%
497.8
-61%
1265
0%
241.4
-81%
Read Seq
1819
1155
-37%
1760
-3%
504
-72%
1649
-9%
497.8
-73%
Samsung PM961 MZVLW256HEHP
Sequential Read: 1819 MB/s
Sequential Write: 1263 MB/s
512K Read: 921.8 MB/s
512K Write: 803.5 MB/s
4K Read: 61.38 MB/s
4K Write: 157.1 MB/s
4K QD32 Read: 512.9 MB/s
4K QD32 Write: 410.2 MB/s
3DMark 11 - 1280x720 Performance GPU
Lenovo ThinkPad T470s-20HGS00V00
Intel HD Graphics 620, Intel Core i7-7600U
1777 Points ∼100% +26%
Lenovo ThinkPad T470-20HD002HGE
Intel HD Graphics 620, Intel Core i5-7200U
1432 Points ∼81% +1%
HP EliteBook 840 G4-Z2V49ET ABD
Intel HD Graphics 620, Intel Core i5-7200U
1413 Points ∼80%
Fujitsu LifeBook U747
Intel HD Graphics 620, Intel Core i5-7200U
1409 Points ∼79% 0%
HP EliteBook Folio 1040 G3
Intel HD Graphics 520, Intel Core i5-6300U
1377 Points ∼77% -3%
HP EliteBook 840 G3 T9X59ET#ABD
Intel HD Graphics 520, Intel Core i7-6500U
1327 Points ∼75% -6%
3DMark
1920x1080 Fire Strike Graphics
Lenovo ThinkPad T470s-20HGS00V00
Intel HD Graphics 620, Intel Core i7-7600U
1176 Points ∼100% +59%
HP EliteBook Folio 1040 G3
Intel HD Graphics 520, Intel Core i5-6300U
900 Points ∼77% +22%
Lenovo ThinkPad T470-20HD002HGE
Intel HD Graphics 620, Intel Core i5-7200U
818 Points ∼70% +11%
HP EliteBook 840 G3 T9X59ET#ABD
Intel HD Graphics 520, Intel Core i7-6500U
800 Points ∼68% +8%
Fujitsu LifeBook U747
Intel HD Graphics 620, Intel Core i5-7200U
799 Points ∼68% +8%
HP EliteBook 840 G4-Z2V49ET ABD
Intel HD Graphics 620, Intel Core i5-7200U
738 Points ∼63%
1280x720 Cloud Gate Standard Graphics
Lenovo ThinkPad T470s-20HGS00V00
Intel HD Graphics 620, Intel Core i7-7600U
9610 Points ∼100% +40%
HP EliteBook 840 G4-Z2V49ET ABD
Intel HD Graphics 620, Intel Core i5-7200U
6864 Points ∼71%
Lenovo ThinkPad T470-20HD002HGE
Intel HD Graphics 620, Intel Core i5-7200U
6824 Points ∼71% -1%
Fujitsu LifeBook U747
Intel HD Graphics 620, Intel Core i5-7200U
6803 Points ∼71% -1%
HP EliteBook Folio 1040 G3
Intel HD Graphics 520, Intel Core i5-6300U
6708 Points ∼70% -2%
HP EliteBook 840 G3 T9X59ET#ABD
Intel HD Graphics 520, Intel Core i7-6500U
6351 Points ∼66% -7%
3DMark 11 Performance
1525 poäng
3DMark Ice Storm Standard Score
50497 poäng
3DMark Cloud Gate Standard Score
5621 poäng
3DMark Fire Strike Score
697 poäng
Hjälp
låg med. hög ultra
BioShock Infinite (2013) 40.524.319.86.4fps
Battlefield 4 (2013) 30.724.515.7fps
The Witcher 3 (2015) 12.9fps

Ljudnivå

Låg belastning
31 / 31 / 31 dB(A)
Hög belastning
33.5 / 33.7 dB(A)
 
 
 
30 dB
tyst
40 dB(A)
hörbar
50 dB(A)
högt ljud
 
min: dark, med: mid, max: light   Audix TM1, Arta (15 cm avstånd)   environment noise: 31 dB(A)
HP EliteBook 840 G4-Z2V49ET ABD
7200U, HD Graphics 620
Lenovo ThinkPad T470-20HD002HGE
7200U, HD Graphics 620
Lenovo ThinkPad T470s-20HGS00V00
7600U, HD Graphics 620
Fujitsu LifeBook U747
7200U, HD Graphics 620
HP EliteBook Folio 1040 G3
6300U, HD Graphics 520
HP EliteBook 840 G3 T9X59ET#ABD
6500U, HD Graphics 520
Noise
6%
-2%
8%
3%
-6%
off / environment *
31
28
10%
28.9
7%
28.2
9%
29.1
6%
31.2
-1%
Idle Minimum *
31
28
10%
28.9
7%
28.2
9%
29.1
6%
31.2
-1%
Idle Average *
31
28
10%
28.9
7%
28.2
9%
29.1
6%
32.1
-4%
Idle Maximum *
31
29.4
5%
30.1
3%
28.2
9%
29.1
6%
33.1
-7%
Load Average *
33.5
31.4
6%
39.2
-17%
31.2
7%
32.6
3%
36.2
-8%
Load Maximum *
33.7
34.6
-3%
39.2
-16%
33
2%
37.8
-12%
37.8
-12%

* ... smaller is better

Hög belastning
 34 °C37 °C33 °C 
 33.2 °C36.3 °C33.5 °C 
 26.5 °C26.2 °C27.4 °C 
Max: 37 °C
Medel: 31.9 °C
39.4 °C35.6 °C35.4 °C
33 °C35.2 °C33.2 °C
29.1 °C28.2 °C27.3 °C
Max: 39.4 °C
Medel: 32.9 °C
Strömförsörjning (max.)  34.7 °C | Rumstemperatur 22.1 °C | FIRT 550-Pocket
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2039.23739.22537.43437.43135.330.735.34038.436.938.45038.331.138.36339.630.839.68039.83039.81003928.53912540.425.340.416042.925.542.920046.925.946.925048.523.748.531557.923.957.940060.622.160.65006121.46163060.820.560.880058.22058.2100060.919.360.9125060.318.760.3160059.718.259.7200061.51861.5250065.317.965.3315062.317.862.3400064.817.864.8500066.617.966.6630066.317.866.3800063.617.963.61000062.117.762.11250059.617.559.61600051.217.651.2SPL75.231.175.2N36.21.636.2median 60.6HP EliteBook 840 G4-Z2V49ET ABDmedian 18.7median 60.6Delta5.32.25.33336.432.635.528.436.629.234.626.23225.934.926.138.325.936.924.339.922.741.62245.324.550.52159.519.262.21862.218.668.618.573.420.369.216.56814.66614.962.814.466.514.771.315.160.214.867.11569.915.357.215.257.614.960.914.953.828.879.71.247.3median 16.5Lenovo ThinkPad T470-20HD002HGEmedian 62.23.17.1hearing rangehide median Pink Noise
HP EliteBook 840 G4-Z2V49ET ABD audio analysis

(-) | not very loud speakers (66 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 14.6% lower than median
(±) | linearity of bass is average (7.8% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 0.7% away from median
(+) | mids are linear (3.4% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.9% away from median
(+) | highs are linear (5.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (13.6% difference to median)
Compared to same class
» 8% of all tested devices in this class were better, 9% similar, 83% worse
» The best had a delta of 11%, average was 20%, worst was 48%
Compared to all devices tested
» 12% of all tested devices were better, 4% similar, 85% worse
» The best had a delta of 3%, average was 22%, worst was 53%

Lenovo ThinkPad T470-20HD002HGE audio analysis

(±) | speaker loudness is average but good (80.44 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 16.6% lower than median
(±) | linearity of bass is average (8.8% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.3% away from median
(+) | mids are linear (6.7% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 5.4% higher than median
(±) | linearity of highs is average (13.3% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (17.3% difference to median)
Compared to same class
» 29% of all tested devices in this class were better, 9% similar, 62% worse
» The best had a delta of 11%, average was 20%, worst was 48%
Compared to all devices tested
» 28% of all tested devices were better, 5% similar, 67% worse
» The best had a delta of 3%, average was 22%, worst was 53%

Strömförbrukning
Av/Standbydarklight 0.52 / 0.72 Watt
Låg belastningdarkmidlight 2.9 / 5.6 / 8.15 Watt
Hög belastning midlight 30.6 / 31 Watt
 color bar
Förklaring: min: dark, med: mid, max: light        Metrahit Energy
HP EliteBook 840 G4-Z2V49ET ABD
7200U, HD Graphics 620, 1920x1080, 14
Lenovo ThinkPad T470-20HD002HGE
7200U, HD Graphics 620, 1920x1080, 14
Lenovo ThinkPad T470s-20HGS00V00
7600U, HD Graphics 620, 2560x1440, 14
Fujitsu LifeBook U747
7200U, HD Graphics 620, 1920x1080, 14
HP EliteBook Folio 1040 G3
6300U, HD Graphics 520, 2560x1440, 14
HP EliteBook 840 G3 T9X59ET#ABD
6500U, HD Graphics 520, 1920x1080, 14
Power Consumption
-2%
-44%
-19%
-56%
-6%
Idle Minimum *
2.9
3.21
-11%
4.64
-60%
4.11
-42%
6.3
-117%
3.8
-31%
Idle Average *
5.6
6.15
-10%
8.93
-59%
7.87
-41%
9.4
-68%
6.3
-13%
Idle Maximum *
8.15
6.82
16%
9.12
-12%
8.74
-7%
10.1
-24%
6.8
17%
Load Average *
30.6
28.5
7%
42.2
-38%
30.2
1%
33.3
-9%
34.4
-12%
Load Maximum *
31
34.5
-11%
47.3
-53%
32.4
-5%
49.5
-60%
28.3
9%

* ... smaller is better

Batteritid
Låg belastning (utan WLAN, min. ljusstyrka)
19tim 15min
Surfa med WLAN v1.3
9tim 31min
Big Buck Bunny H.264 1080p
9tim 51min
Hög belastning (maximal ljusstyrka)
3tim 04min
HP EliteBook 840 G4-Z2V49ET ABD
7200U, HD Graphics 620, 51 Wh
Lenovo ThinkPad T470-20HD002HGE
7200U, HD Graphics 620, 48 Wh
Lenovo ThinkPad T470s-20HGS00V00
7600U, HD Graphics 620, 51 Wh
Fujitsu LifeBook U747
7200U, HD Graphics 620, 50 Wh
HP EliteBook Folio 1040 G3
6300U, HD Graphics 520, 45.6 Wh
HP EliteBook 840 G3 T9X59ET#ABD
6500U, HD Graphics 520, 46 Wh
Battery Runtime
-19%
-33%
-28%
-43%
-18%
Reader / Idle
1155
787
-32%
782
-32%
530
-54%
1020
-12%
H.264
591
623
5%
454
-23%
490
-17%
339
-43%
WiFi v1.3
571
438
-23%
417
-27%
430
-25%
309
-46%
453
-21%
Load
184
110
-40%
93
-49%
117
-36%
131
-29%
146
-21%

För

+ stabilt chassi
+ låga temperaturer/fläktljud
+ bra säkerhetsfunktioner
+ LTE-modem
+ bra prestanda
+ tre års garanti
+ bra inmatningsenheter

Emot

- TN-skärm med kraftig blåton och mycket begränsade betraktningsvinklar
- ej Thunderbolt 3 eller USB-C Gen.2
- knarrar något från gångjärnen
In review: HP EliteBook 840 G4. Test model courtesy of Notebook.de
In review: HP EliteBook 840 G4. Test model courtesy of Notebook.de

Läs det längre originaltestet på engelska här.

Nya HP Elite 840 G4 är i princip bara en Kaby Lake-uppdatering av den förra G3-modellen. Kvalitets- och storleksmässigt står den sig fortfarande bra jämfört med konkurrenterna, även om detaljer som knarrande gångjärn och högljudda pekplatteknappar påverkar det goda intrycket. Tillgången till komponenterna är en annan positiv aspekt – det är t.ex. enkelt att uppgradera RAM-minnet. Vi gillar fortfarande inmatningsenheterna och då i synnerhet tangentbordet. 

14-tummaren gör heller ingen besviken vad gäller prestanda eller fläkt/temperaturhantering. Datorn är tyst, blir inte för varm och låter processorn utnyttja sin prestandapotential riktigt bra. HP har också ökat batterikapaciteten, vilket resulterar i en batteritid på nästan 10 timmar. Den marginella uppdateringen av årets Elitebook blir framförallt uppenbar när man ser portarna: allt det viktigaste ingår, men ingen framtidssäker Thunderbolt 3-port.

Det största problemet är däremot den undermåliga TN-panelen. Ljusstyrkan och upplösningen får godkänt, men panelen är en besvikelse i alla andra avseenden. De begränsade betraktningsvinklarna är ett märkbart problem. En sådan panel bör inte förekomma i den här prisklassen. Om du är intresserad av Elitebook 840 ska du definitivt satsa på modellen med IPS-panel. 

HP EliteBook 840 G4-Z2V49ET ABD - 05/26/2017 v6
Andreas Osthoff

Design
89 / 98 → 91%
Tangentbord
89%
Mus
87%
Anslutningar
68 / 80 → 85%
Vikt
69 / 67 → 100%
Batteri
92%
Skärm
76%
Spelprestanda
54 / 68 → 79%
Programprestanda
87 / 92 → 94%
Temperatur
94%
Ljudnivå
97%
Audio
68%
Camera
27 / 85 → 32%
Medel
77%
87%
Office - Vägt medel

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> Bärbara datorer, laptops - tester och nyheter > Tester > Test: HP EliteBook 840 G4 (7200U, Full HD) (sammanfattning)
Andreas Osthoff, 2017-04-18 (Update: 2017-04-18)