Test: Dell Latitude 7390 (Core i7-8650U, Tryckkänslig skärm) Laptop (Sammanfattning)
| SD Card Reader | |
| average JPG Copy Test (av. of 3 runs) | |
| Lenovo ThinkPad X1 Carbon 2018-20KGS03900 (Toshiba Exceria Pro M501) | |
| Dell Latitude 7390 (Toshiba Exceria Pro M501) | |
| Dell Latitude 7390 (Toshiba Exceria Pro M501 UHS-II) | |
| Dell Latitude 13 7380 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Asus ZenBook 13 UX331UN (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| Average of class Office (22.7 - 198.5, n=35, last 2 years) | |
| maximum AS SSD Seq Read Test (1GB) | |
| Lenovo ThinkPad X1 Carbon 2018-20KGS03900 (Toshiba Exceria Pro M501) | |
| Dell Latitude 7390 (Toshiba Exceria Pro M501 UHS-II) | |
| Dell Latitude 7390 (Toshiba Exceria Pro M501) | |
| Dell Latitude 13 7380 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Asus ZenBook 13 UX331UN (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| Average of class Office (25 - 249, n=31, last 2 years) | |
| |||||||||||||||||||||||||
Distribution av ljusstyrkan: 86 %
Mitt på batteriet: 303.8 cd/m²
Kontrast: 980:1 (Svärta: 0.31 cd/m²)
ΔE Color 2.9 | 0.5-29.43 Ø4.91, calibrated: 1.72
ΔE Greyscale 3.7 | 0.5-98 Ø5.2
95% sRGB (Argyll 1.6.3 3D)
63% AdobeRGB 1998 (Argyll 1.6.3 3D)
67.8% AdobeRGB 1998 (Argyll 2.2.0 3D)
95.1% sRGB (Argyll 2.2.0 3D)
67.8% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.118
| Dell Latitude 7390 LGD059B, IPS, 13.3", 1920x1080 | Dell Latitude 7390 AU Optronics AUO462D / B133HAN [DELL P/N:F7VDJ], IPS, 13.3", 1920x1080 | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 B140QAN02.0, IPS, 14", 2560x1440 | HP Elitebook 1040 G4-2XU40UT Chi Mei CMN14D7, IPS, 14", 1920x1080 | Asus ZenBook 13 UX331UN AU Optronics B133HAN04.9, IPS, 13.3", 1920x1080 | |
|---|---|---|---|---|---|
| Display | -4% | 27% | 1% | -7% | |
| Display P3 Coverage | 67.8 | 65.1 -4% | 87.7 29% | 66.8 -1% | 63.3 -7% |
| sRGB Coverage | 95.1 | 90.8 -5% | 100 5% | 97.1 2% | 86.7 -9% |
| AdobeRGB 1998 Coverage | 67.8 | 65.9 -3% | 99.9 47% | 69 2% | 63.4 -6% |
| Response Times | -25% | -37% | 4% | 1% | |
| Response Time Grey 50% / Grey 80% * | 36.8 ? | 48.8 ? -33% | 59.2 ? -61% | 34.4 ? 7% | 44 ? -20% |
| Response Time Black / White * | 30.4 ? | 35.2 ? -16% | 34.4 ? -13% | 30 ? 1% | 24 ? 21% |
| PWM Frequency | 26040 ? | ||||
| Screen | -5% | 35% | -1% | -3% | |
| Brightness middle | 303.8 | 329 8% | 578 90% | 295.9 -3% | 329 8% |
| Brightness | 289 | 316 9% | 533 84% | 287 -1% | 306 6% |
| Brightness Distribution | 86 | 92 7% | 84 -2% | 87 1% | 86 0% |
| Black Level * | 0.31 | 0.25 19% | 0.38 -23% | 0.23 26% | 0.3 3% |
| Contrast | 980 | 1316 34% | 1521 55% | 1287 31% | 1097 12% |
| Colorchecker dE 2000 * | 2.9 | 4.3 -48% | 1.9 34% | 2.83 2% | 4.07 -40% |
| Colorchecker dE 2000 max. * | 5.79 | 7.8 -35% | 3.8 34% | 7.34 -27% | 7.05 -22% |
| Colorchecker dE 2000 calibrated * | 1.72 | 2.5 -45% | 0.8 53% | ||
| Greyscale dE 2000 * | 3.7 | 3.6 3% | 3 19% | 5.2 -41% | 2.76 25% |
| Gamma | 2.118 104% | 2.43 91% | 2.14 103% | 2.28 96% | 2.56 86% |
| CCT | 6323 103% | 6928 94% | 6377 102% | 7056 92% | 6915 94% |
| Color Space (Percent of AdobeRGB 1998) | 63 | 59.1 -6% | 88.8 41% | 63 0% | 56 -11% |
| Color Space (Percent of sRGB) | 95 | 90.6 -5% | 100 5% | 97 2% | 86 -9% |
| Total Average (Program / Settings) | -11% /
-8% | 8% /
25% | 1% /
0% | -3% /
-3% |
* ... smaller is better
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 30.4 ms ... rise ↗ and fall ↘ combined | ↗ 18.8 ms rise |  |
| ↘ 11.6 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. » 81 % of all devices are better. This means that the measured response time is worse than the average of all tested devices (20.9 ms). | ||
| ↔ Response Time 50% Grey to 80% Grey | ||
| 36.8 ms ... rise ↗ and fall ↘ combined | ↗ 18 ms rise |  |
| ↘ 18.8 ms fall | ||
| The screen shows slow response rates in our tests and will be unsatisfactory for gamers. In comparison, all tested devices range from 0.165 (minimum) to 636 (maximum) ms. » 49 % of all devices are better. This means that the measured response time is worse than the average of all tested devices (32.8 ms). | ||
Screen Flickering / PWM (Pulse-Width Modulation)
| 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 8705 (minimum: 5 - maximum: 343500) Hz was measured. | |||
| wPrime 2.10 - 1024m | |
| Average of class Office (194.4 - 2103, n=6, last 2 years) | |
| Dell Latitude 13 7380 | |
| HP Elitebook 1040 G4-2XU40UT | |
| Average Intel Core i7-8650U (268 - 335, n=3) | |
| Dell Latitude 7390 | |
* ... smaller is better
| PCMark 8 Home Score Accelerated v2 | 3886 poäng | |
| PCMark 8 Creative Score Accelerated v2 | 5083 poäng | |
| PCMark 8 Work Score Accelerated v2 | 5197 poäng | |
| PCMark 10 Score | 4053 poäng | |
Hjälp | ||
| Dell Latitude 7390 Samsung PM961 MZVLW256HEHP | Dell Latitude 7390 SK hynix SC311 M.2 | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 Samsung SSD PM981 MZVLB512HAJQ | HP Elitebook 1040 G4-2XU40UT Toshiba XG4 NVMe (THNSN5512GPUK) | Average Samsung PM961 MZVLW256HEHP | |
|---|---|---|---|---|---|
| AS SSD | -53% | 90% | -3% | -81% | |
| Copy Game MB/s | 352 | 1107 214% | 394.2 12% | 537 ? 53% | |
| Copy Program MB/s | 247.4 | 460.2 86% | 133.7 -46% | 343 ? 39% | |
| Copy ISO MB/s | 818 | 1247 52% | 534 -35% | 1004 ? 23% | |
| Score Total | 2215 | 857 -61% | 3529 59% | 2299 4% | 2565 ? 16% |
| Score Write | 501 | 311 -38% | 1801 259% | 848 69% | 587 ? 17% |
| Score Read | 1158 | 359 -69% | 1168 1% | 979 -15% | 1378 ? 19% |
| Access Time Write * | 0.032 | 0.056 -75% | 0.027 16% | 0.038 -19% | 0.4637 ? -1349% |
| Access Time Read * | 0.063 | 0.075 -19% | 0.029 54% | 0.105 -67% | 0.06777 ? -8% |
| 4K-64 Write | 302.4 | 210.3 -30% | 1529 406% | 662 119% | 419 ? 39% |
| 4K-64 Read | 932 | 282.8 -70% | 876 -6% | 782 -16% | 1112 ? 19% |
| 4K Write | 115.2 | 63.6 -45% | 134.3 17% | 100.1 -13% | 91.6 ? -20% |
| 4K Read | 49.43 | 27.31 -45% | 52.4 6% | 38.49 -22% | 45.1 ? -9% |
| Seq Write | 830 | 369.9 -55% | 1376 66% | 863 4% | 960 ? 16% |
| Seq Read | 1761 | 485.5 -72% | 2396 36% | 1585 -10% | 2019 ? 15% |
* ... smaller is better
| 3DMark 06 Standard Score | 10376 poäng | |
| 3DMark 11 Performance | 1860 poäng | |
| 3DMark Ice Storm Standard Score | 65709 poäng | |
| 3DMark Cloud Gate Standard Score | 7770 poäng | |
| 3DMark Fire Strike Score | 915 poäng | |
Hjälp | ||
| låg | med. | hög | ultra | |
|---|---|---|---|---|
| BioShock Infinite (2013) | 56 | 30 | 24 | 8 |
Ljudnivå
| Låg belastning |
| 28.2 / 28.2 / 28.2 dB(A) |
| Hög belastning |
| 31.5 / 42.7 dB(A) |
 | ||
30 dB tyst 40 dB(A) hörbar 50 dB(A) högt ljud |
||
min:  , med:  , max:  Audix TM1, Arta (15 cm avstånd) environment noise: 28.2 dB(A) | ||
| Dell Latitude 7390 UHD Graphics 620, i7-8650U, Samsung PM961 MZVLW256HEHP | Dell Latitude 7390 UHD Graphics 620, i5-8350U, SK hynix SC311 M.2 | 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 | |
|---|---|---|---|---|---|---|
| Noise | -3% | 3% | -2% | 2% | -8% | |
| off / environment * | 28.2 | 29.5 -5% | 28 1% | 28.9 -2% | 28.2 -0% | 30.13 -7% |
| Idle Minimum * | 28.2 | 29.5 -5% | 28 1% | 28.9 -2% | 28.2 -0% | 30.13 -7% |
| Idle Average * | 28.2 | 29.5 -5% | 28 1% | 28.9 -2% | 28.2 -0% | 30.3 -7% |
| Idle Maximum * | 28.2 | 29.5 -5% | 29.6 -5% | 32.5 -15% | 28.2 -0% | 30.3 -7% |
| Load Average * | 31.5 | 32.4 -3% | 30.6 3% | 35.1 -11% | 33.3 -6% | 39.2 -24% |
| Load Maximum * | 42.7 | 39.9 7% | 35.4 17% | 35.1 18% | 35.3 17% | 41 4% |
* ... smaller is better
(±) The maximum temperature on the upper side is 44.4 °C / 112 F, compared to the average of 34.3 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(-) The bottom heats up to a maximum of 47.4 °C / 117 F, compared to the average of 36.8 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 21.9 °C / 71 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 29.4 °C / 84.9 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 27.6 °C / 81.7 F (-1.8 °C / -3.2 F).
Dell Latitude 7390 audio analysis
(-) | not very loud speakers (71.4 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 12.4% lower than median
(±) | linearity of bass is average (13.6% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 3.4% away from median
(±) | linearity of mids is average (10.3% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.1% away from median
(±) | linearity of highs is average (12.6% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (20.4% difference to median)
Compared to same class
» 40% of all tested devices in this class were better, 10% similar, 49% worse
» The best had a delta of 7%, average was 21%, worst was 53%
Compared to all devices tested
» 50% of all tested devices were better, 8% similar, 42% 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
» 30% of all tested devices in this class were better, 6% similar, 64% worse
» The best had a delta of 7%, average was 21%, worst was 53%
Compared to all devices tested
» 39% of all tested devices were better, 8% similar, 53% worse
» The best had a delta of 4%, average was 25%, worst was 134%
| Låg belastning | 3.3 / 5.9 / 6.2 Watt |
| Hög belastning |
43.2 / 45.2 Watt |
   
| |
Förklaring:
min: ,
med: ,
max: Metrahit Energy | |
| Dell Latitude 7390 i7-8650U, UHD Graphics 620, Samsung PM961 MZVLW256HEHP, IPS, 1920x1080, 13.3" | Dell Latitude 7390 i5-8350U, UHD Graphics 620, SK hynix SC311 M.2, IPS, 1920x1080, 13.3" | Dell Latitude 13 7380 i7-7600U, HD Graphics 620, Samsung PM961 MZVLW256HEHP, IPS, 1920x1080, 13.3" | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 i5-8550U, UHD Graphics 620, Samsung SSD PM981 MZVLB512HAJQ, IPS, 2560x1440, 14" | HP Elitebook 1040 G4-2XU40UT i7-7820HQ, HD Graphics 630, Toshiba XG4 NVMe (THNSN5512GPUK), IPS, 1920x1080, 14" | Asus ZenBook 13 UX331UN i5-8550U, GeForce MX150, SK Hynix HFS256G39TND-N210A, IPS, 1920x1080, 13.3" | |
|---|---|---|---|---|---|---|
| Power Consumption | -4% | 15% | -37% | -37% | 7% | |
| Idle Minimum * | 3.3 | 2.34 29% | 3.2 3% | 3.8 -15% | 5.1 -55% | 2.2 33% |
| Idle Average * | 5.9 | 5.6 5% | 5.5 7% | 8.9 -51% | 7 -19% | 5 15% |
| Idle Maximum * | 6.2 | 6.5 -5% | 6.1 2% | 11.9 -92% | 11.7 -89% | 8 -29% |
| Load Average * | 43.2 | 43 -0% | 29.5 32% | 47.5 -10% | 41.2 5% | 33 24% |
| Load Maximum * | 45.2 | 67.4 -49% | 32 29% | 52.5 -16% | 56.9 -26% | 49.4 -9% |
* ... smaller is better
| Dell Latitude 7390 i7-8650U, UHD Graphics 620, 60 Wh | Dell Latitude 7390 i5-8350U, 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 | |
|---|---|---|---|---|---|---|
| Battery Runtime | -5% | -22% | 0% | -19% | ||
| WiFi v1.3 | 664 | 630 -5% | 519 -22% | 665 0% | 538 -19% | |
| Reader / Idle | 1660 | 1594 | 1328 | 1349 | 1240 | |
| Load | 92 | 141 | 106 | 96 | 105 |
För
Emot
Läs den fullständiga versionen av den här recensionen på engelska här.
Vår lista över klagomål har krympt sen förra månadens recension av Latitude 7390, i huvudsak tack vare skillnaderna i konfigurationen av dagens recensionsenhet, men även till viss del på grund av att en del av dessa saker kan ha varit ett resultat av egenheter hos dom individuella maskinerna. Uppgraderingen till Core i7 för definitivt med sig en del prestandafördelar — framförallt vid ihållande belastning, där hastigheten inte bara är högre utan också är mer konsekvent. Men för en stor majoritet av användarna är Core i5-modellen mer än tillräckligt kraftfull och kostnadsbesparingen kan göra den till ett mer attraktivt alternativ. Samma logik gäller i huvudsak även dess NVMe SSD (jämfört med det konventionella M.2 SATA-alternativet som vi såg i förra månadens Latitude 7390-testenhet), som är snabbare men som också är dyrare och genererar mer värme. Det mest förvånande är dock att den tryckkänsliga antireflex-skärmen från den här konfigurationen verkligen är antireflekterande; den har inga nackdelar jämfört med förra månadens konventionella (icke-tryckkänsliga) panel.
Den är definitivt dyr, men det finns få andra laptops i dess klass som imponerar så genomgående som Latitude 7390.
Den långa listan över fördelar gäller i övrigt fortfarande. 7390 har felfri konstruktionskvalitet och är gediget byggd samtidigt som den lyckas vara lätt och ha ett litet fotavtryck. Service är lätt tack vare den löstagbara bottenluckan. Det grundliga utbudet av portar och dom robusta säkerhetsfunktionerna kommer uppskattas av företags-kämpar och IT-departement. Tangentbordet och styrplattan på dagens recensionsex är båda totalt sett riktigt bra och skärmens panel förblir attraktiv trots skillnaden i komponenter som kommer med touch-förmågan. Slutligen så håller sig enheten tyst en majoritet av tiden och batteritiden är lång. Runda av allt det med 3 års "på plats"-garanti och du har en riktigt stark tävlande i företags-segmentet.
För 19 000 kronor är den definitivt inte billig, men det finns få andra laptops i dess klass som imponerar så genomgående som Latitude 7390. Lenovos X1 Carbon och HP:s EliteBook Folio 1040 G4 är troligen dom största konkurrenterna — men det är i ärlighetens namn svårt att hamna fel med någon av dom här maskinerna.
Dell Latitude 7390
- 05/10/2018 v6 (old)
Steve Schardein
Price comparison
