Test de l'Asus ExpertBook B9450FA (i7-10510U, UHD 620, FHD) : ultra léger et autonomie
Note | Date | Modèle | Poids | Épaisseur | Taille | Résolution | Best Price |
---|---|---|---|---|---|---|---|
87 % | 06/20 | Asus ExpertBook B9450FA, i7-10510U i7-10510U, UHD Graphics 620 | 995 g | 14.9 mm | 14.00" | 1920x1080 | |
89 % | 05/20 | Lenovo ThinkPad X1 Carbon G7 20R1-000YUS i7-10510U, UHD Graphics 620 | 1.2 kg | 15.4 mm | 14.00" | 3840x2160 | |
84 % | 03/20 | MSI Prestige 14 A10SC-009 i7-10710U, GeForce GTX 1650 Max-Q | 1.3 kg | 16 mm | 14.00" | 3840x2160 | |
84 % | 11/19 | Acer Swift 7 SF714-52T-76MR i7-8500Y, UHD Graphics 615 | 890 g | 9.95 mm | 14.00" | 1920x1080 |
Top 10
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» Le Top 25 des meilleurs écrans d'ordinateurs
Comparaison des tailles
Connectivité
Networking | |
iperf3 Client (receive) TCP 1 m 4M x10 | |
Asus ExpertBook B9450FA, i7-10510U | |
Average Intel Wi-Fi 6 AX201 (289 - 1722, n=167) | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
MSI Prestige 14 A10SC-009 | |
Acer Swift 7 SF714-52T-76MR | |
iperf3 Client (transmit) TCP 1 m 4M x10 | |
Asus ExpertBook B9450FA, i7-10510U | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Average Intel Wi-Fi 6 AX201 (49.8 - 1775, n=167) | |
MSI Prestige 14 A10SC-009 | |
Acer Swift 7 SF714-52T-76MR |

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Homogénéité de la luminosité: 86 %
Valeur mesurée au centre, sur batterie: 294 cd/m²
Contraste: 2450:1 (Valeurs des noirs: 0.12 cd/m²)
ΔE Color 1.45 | 0.6-29.43 Ø5.7, calibrated: 1.05
ΔE Greyscale 1.65 | 0.64-98 Ø5.9
99% sRGB (Argyll 3D) 64% AdobeRGB 1998 (Argyll 3D)
Gamma: 2.47
Asus ExpertBook B9450FA, i7-10510U AU Optronics AUO623D, IPS, 1920x1080, 14.00 | Lenovo ThinkPad X1 Carbon G7 20R1-000YUS BOE NV140QUM-N53, IPS, 3840x2160, 14.00 | MSI Prestige 14 A10SC-009 IPS, 3840x2160, 14.00 | Acer Swift 7 SF714-52T-76MR AU Optronics B140HAN06.0, IPS, 1920x1080, 14.00 | |
---|---|---|---|---|
Response Times | -2% | -15% | -4% | |
Response Time Grey 50% / Grey 80% * | 55 (27, 28) | 49.2 (22, 27.2) 11% | 55 (27, 28) -0% | 55 (25, 30) -0% |
Response Time Black / White * | 28 (14, 14) | 32.2 (19.2, 13.2) -15% | 36 (22, 14) -29% | 30 (14, 16) -7% |
PWM Frequency | 201.6 (99) | |||
Screen | -138% | -28% | -38% | |
Brightness middle | 294 | 532 81% | 567 93% | 296 1% |
Brightness | 286 | 513 79% | 516 80% | 272 -5% |
Brightness Distribution | 86 | 90 5% | 86 0% | 79 -8% |
Black Level * | 0.12 | 0.41 -242% | 0.445 -271% | 0.095 21% |
Contrast | 2450 | 1298 -47% | 1274 -48% | 3116 27% |
Colorchecker DeltaE2000 * | 1.45 | 6.88 -374% | 1.55 -7% | 3.1 -114% |
Colorchecker DeltaE2000 max. * | 2.74 | 12.65 -362% | 5.14 -88% | 6.2 -126% |
Colorchecker DeltaE2000 calibrated * | 1.05 | 2.52 -140% | 1.24 -18% | |
Greyscale DeltaE2000 * | 1.65 | 10.5 -536% | 1.48 10% | 4.5 -173% |
Gamma | 2.47 89% | 1.98 111% | 2.19 100% | 2.15 102% |
CCT | 6685 97% | 7394 88% | 6741 96% | 7277 89% |
Color Space (Percent of AdobeRGB 1998) | 64 | 74.1 16% | 65 2% | |
Color Space (Percent of sRGB) | 99 | 99.7 1% | 99 0% | |
Moyenne finale (programmes/paramètres) | -70% /
-117% | -22% /
-25% | -21% /
-32% |
* ... Moindre est la valeur, meilleures sont les performances
Temps de réponse de l'écran
↔ Temps de réponse noir à blanc | ||
---|---|---|
28 ms ... hausse ↗ et chute ↘ combinées | ↗ 14 ms hausse | |
↘ 14 ms chute | ||
L'écran souffre de latences relativement élevées, insuffisant pour le jeu. En comparaison, tous les appareils testés affichent entre 0.8 (minimum) et 240 (maximum) ms. » 60 % des appareils testés affichent de meilleures performances. Cela signifie que les latences relevées sont moins bonnes que la moyenne (24.3 ms) de tous les appareils testés. | ||
↔ Temps de réponse gris 50% à gris 80% | ||
55 ms ... hausse ↗ et chute ↘ combinées | ↗ 27 ms hausse | |
↘ 28 ms chute | ||
L'écran souffre de latences très élevées, à éviter pour le jeu. En comparaison, tous les appareils testés affichent entre 0.8 (minimum) et 636 (maximum) ms. » 89 % des appareils testés affichent de meilleures performances. Cela signifie que les latences relevées sont moins bonnes que la moyenne (38.6 ms) de tous les appareils testés. |
Scintillement / MLI (Modulation de largeur d'impulsion)
Scintillement / MLI (Modulation de largeur d'impulsion) non décelé | |||
En comparaison, 51 % des appareils testés n'emploient pas MDI pour assombrir leur écran. Nous avons relevé une moyenne à 9700 (minimum : 5 - maximum : 142900) Hz dans le cas où une MDI était active. |
Cinebench R15 / CPU Single 64Bit | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Average Intel Core i7-10510U (113 - 202, n=40) | |
Asus ExpertBook B9450FA, i7-10510U | |
MSI Prestige 14 A10SC-009 | |
Acer Swift 7 SF714-52T-76MR | |
Average of class Subnotebook (20 - 221, n=349) |
Cinebench R15 / CPU Multi 64Bit | |
MSI Prestige 14 A10SC-009 | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Average Intel Core i7-10510U (482 - 856, n=43) | |
Asus ExpertBook B9450FA, i7-10510U | |
Average of class Subnotebook (32 - 1674, n=364) | |
Acer Swift 7 SF714-52T-76MR |
PCMark 10 Score | 3783 points | |
Aide |
DPC Latencies / LatencyMon - interrupt to process latency (max), Web, Youtube, Prime95 | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Asus ExpertBook B9450FA, i7-10510U |
* ... Moindre est la valeur, meilleures sont les performances
Asus ExpertBook B9450FA, i7-10510U 2x Samsung SSD PM981 MZVLB1T0HALR (RAID 0) | Lenovo ThinkPad X1 Carbon G7 20R1-000YUS WDC PC SN730 SDBPNTY-512G | MSI Prestige 14 A10SC-009 Samsung SSD PM981 MZVLB1T0HALR | Acer Swift 7 SF714-52T-76MR SK Hynix BC501 HFM512GDJTNG | Average 2x Samsung SSD PM981 MZVLB1T0HALR (RAID 0) | Average of class Subnotebook | |
---|---|---|---|---|---|---|
CrystalDiskMark 5.2 / 6 | 6% | 2% | -54% | 6% | -25% | |
Write 4K | 115.6 | 151.5 31% | 163.8 42% | 48.38 -58% | 106 (95.5 - 116, n=2) -8% | 105 (3.23 - 269, n=165) -9% |
Read 4K | 45.68 | 45.83 0% | 48.6 6% | 28.98 -37% | 44.1 (42.6 - 45.7, n=2) -3% | 59.5 (5.37 - 3738, n=165) 30% |
Write Seq | 2091 | 2060 -1% | 2269 9% | 742.7 -64% | 2471 (2091 - 2851, n=2) 18% | 1023 (37.3 - 2730, n=163) -51% |
Read Seq | 2152 | 1973 -8% | 1963 -9% | 1027 -52% | 2424 (2152 - 2696, n=2) 13% | 1268 (142 - 2760, n=163) -41% |
Write 4K Q32T1 | 422.2 | 489.8 16% | 289.8 -31% | 94.56 -78% | 412 (403 - 422, n=2) -2% | 310 (3.6 - 868, n=165) -27% |
Read 4K Q32T1 | 391.3 | 386.2 -1% | 373.6 -5% | 300 -23% | 418 (391 - 444, n=2) 7% | 347 (9.66 - 1580, n=165) -11% |
Write Seq Q32T1 | 2403 | 2703 12% | 2395 0% | 870.3 -64% | 2912 (2403 - 3420, n=2) 21% | 1209 (16.7 - 3007, n=165) -50% |
Read Seq Q32T1 | 3414 | 3376 -1% | 3479 2% | 1640 -52% | 3464 (3414 - 3514, n=2) 1% | 2032 (113 - 3569, n=165) -40% |
AS SSD | -34% | 7% | -44% | 1% | -501% | |
Score Total | 3530 | 2885 -18% | 4831 37% | 1653 -53% | 3895 (3530 - 4259, n=2) 10% | 1565 (28 - 5191, n=313) -56% |
Score Write | 1575 | 1224 -22% | 2079 32% | 657 -58% | 1582 (1575 - 1589, n=2) 0% | 586 (8 - 2379, n=313) -63% |
Score Read | 1328 | 1110 -16% | 1828 38% | 674 -49% | 1552 (1328 - 1776, n=2) 17% | 656 (12 - 2339, n=313) -51% |
Access Time Write * | 0.028 | 0.074 -164% | 0.045 -61% | 0.034 -21% | 0.033 (0.028 - 0.038, n=2) -18% | 0.764 (0.021 - 30.3, n=376) -2629% |
Access Time Read * | 0.032 | 0.058 -81% | 0.049 -53% | 0.054 -69% | 0.043 (0.032 - 0.054, n=2) -34% | 0.793 (0.04 - 23, n=369) -2378% |
4K-64 Write | 1302.14 | 949.77 -27% | 1788.99 37% | 475.69 -63% | 1263 (1224 - 1302, n=2) -3% | 375 (0.22 - 2105, n=386) -71% |
4K-64 Read | 1020.58 | 885.4 -13% | 1551.81 52% | 487.96 -52% | 1240 (1021 - 1460, n=2) 21% | 452 (0.41 - 2011, n=386) -56% |
4K Write | 132.87 | 147.92 11% | 84.63 -36% | 112.8 -15% | 115 (96.3 - 133, n=2) -13% | 70.5 (0.2 - 237, n=386) -47% |
4K Read | 46.9 | 45.86 -2% | 46.23 -1% | 42.64 -9% | 38.6 (30.3 - 46.9, n=2) -18% | 28 (0.35 - 63.8, n=386) -40% |
Seq Write | 1398.51 | 1258.8 -10% | 2051.42 47% | 689.13 -51% | 2043 (1399 - 2687, n=2) 46% | 591 (14 - 2564, n=387) -58% |
Seq Read | 2602.27 | 1786.24 -31% | 2299.87 -12% | 1437.05 -45% | 2729 (2602 - 2855, n=2) 5% | 966 (50.5 - 2980, n=387) -63% |
Moyenne finale (programmes/paramètres) | -14% /
-17% | 5% /
5% | -49% /
-48% | 4% /
3% | -263% /
-301% |
* ... Moindre est la valeur, meilleures sont les performances
3DMark 11 - 1280x720 Performance GPU | |
MSI Prestige 14 A10SC-009 | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Asus ExpertBook B9450FA, i7-10510U | |
Average Intel UHD Graphics 620 (1235 - 2006, n=234) | |
Average of class Subnotebook (230 - 12199, n=431) | |
Acer Swift 7 SF714-52T-76MR |
3DMark - 1920x1080 Fire Strike Graphics | |
MSI Prestige 14 A10SC-009 | |
Average of class Subnotebook (222 - 8743, n=312) | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Asus ExpertBook B9450FA, i7-10510U | |
Average Intel UHD Graphics 620 (557 - 1420, n=203) | |
Acer Swift 7 SF714-52T-76MR |
3DMark 11 Performance | 2056 points | |
3DMark Fire Strike Score | 1199 points | |
Aide |
Dota 2 Reborn | |
1920x1080 high (2/3) | |
MSI Prestige 14 A10SC-009 | |
Average of class Subnotebook (6 - 121, n=81) | |
Average Intel UHD Graphics 620 (12.8 - 23.4, n=83) | |
Asus ExpertBook B9450FA, i7-10510U | |
Acer Swift 7 SF714-52T-76MR | |
1366x768 med (1/3) | |
MSI Prestige 14 A10SC-009 | |
Average of class Subnotebook (14.3 - 129, n=83) | |
Average Intel UHD Graphics 620 (25.8 - 57.1, n=83) | |
Asus ExpertBook B9450FA, i7-10510U | |
Acer Swift 7 SF714-52T-76MR | |
1280x720 min (0/3) fastest | |
MSI Prestige 14 A10SC-009 | |
Average of class Subnotebook (15.9 - 147, n=83) | |
Average Intel UHD Graphics 620 (45.1 - 90, n=83) | |
Acer Swift 7 SF714-52T-76MR | |
Asus ExpertBook B9450FA, i7-10510U |
Bas | Moyen | Élevé | Ultra | ||
Dota 2 Reborn (2015) | 45.1 | 38 | 17.1 | 14.2 | fps |
Degré de la nuisance sonore
Au repos |
| 30.1 / 30.1 / 30.1 dB(A) |
Fortement sollicité |
| 30.1 / 38.6 dB(A) |
![]() | ||
30 dB silencieux 40 dB(A) audible 50 dB(A) bruyant |
||
min: ![]() ![]() ![]() |
(±) The maximum temperature on the upper side is 42 °C / 108 F, compared to the average of 35.7 °C / 96 F, ranging from 22 to 57 °C for the class Subnotebook.
(±) The bottom heats up to a maximum of 43.1 °C / 110 F, compared to the average of 39.5 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 25.7 °C / 78 F, compared to the device average of 30.6 °C / 87 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 29.8 °C / 85.6 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 28.4 °C / 83.1 F (-1.4 °C / -2.5 F).
Asus ExpertBook B9450FA, i7-10510U audio analysis
(-) | not very loud speakers (62.5 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.2% lower than median
(±) | linearity of bass is average (13.3% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.5% away from median
(+) | mids are linear (4.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.3% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (17.1% difference to median)
Compared to same class
» 40% of all tested devices in this class were better, 7% similar, 53% worse
» The best had a delta of 7%, average was 19%, worst was 50%
Compared to all devices tested
» 26% of all tested devices were better, 8% similar, 67% worse
» The best had a delta of 3%, average was 21%, worst was 65%
Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis
(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (9.3% difference to median)
Compared to same class
» 2% of all tested devices in this class were better, 1% similar, 97% worse
» The best had a delta of 7%, average was 19%, worst was 50%
Compared to all devices tested
» 2% of all tested devices were better, 0% similar, 98% worse
» The best had a delta of 3%, average was 21%, worst was 65%
Éteint/en veille | ![]() ![]() |
Au repos | ![]() ![]() ![]() |
Fortement sollicité |
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![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
Légende:
min: ![]() ![]() ![]() |
Battery Runtime - WiFi Websurfing 1.3 | |
Asus ExpertBook B9450FA, i7-10510U | |
Lenovo ThinkPad X1 Carbon G7 20R1-000YUS | |
Acer Swift 7 SF714-52T-76MR | |
Average of class Subnotebook (206 - 1223, n=296) | |
MSI Prestige 14 A10SC-009 |
Points positifs
Points négatifs
Verdict
Notre test de l'Asus ExpertBook B9450FA révèle nombre de points forts. L'ultraportable est très léger et très nomade, grâce à son autonomie exceptionnelle. Son écran est assez lumineux, et ses couleurs sont bonnes, tandis que ses performances sont celles d'une machine de ce type. Et un cache manuel de webcam ainsi qu'un pavé numérique intégré dans le touchpad complètent l'offre.
L'ExpertBook B9 d'Asus est un PC portable ultraléger de très haute qualité avec une excellente autonomie.
Mais nous avons quelques critiques à formuler, qui pourraient être décisives pour certains. Asus a choisi de ne pas inclure de lecteur de carte SD, et nous aurions espéré la 4G sur un appareil aussi nomade. Le fait que le module de RAM soit soudé n'est pas non plus génial - tout en se justifiant, vu la finesse de l'ultrabook. Au moins deux emplacements SSD sont disponibles, et faciles à accéder parce que la coque inférieure est aisée à retirer.
L’intégralité de cette critique est disponible en anglais en suivant ce lien.
Asus ExpertBook B9450FA, i7-10510U - 05/19/2020 v7
Mike Wobker