Courte critique du PC portable Lenovo ThinkPad T480 (i7-8550U, MX150, FHD)
Pas que pour les étudiants. Le nouveau ThinkPad T480 de 14 pouces est disponible aux Etats-Unis avec un rabais important, grâce au programme Campus de Lenovo. Ce portable pro vise à suivre les pas de son prédécesseur à succès le T470 (91 %). Notre appareil de test est équipé d’un Intel Core i7-8550U et d’une Nvidia GeForce MX150. Nous verrons dans ces tests si la mise à jour matérielle du ThinkPad est un succès, et s’il marque des points dans des domaines importants comme la gestion de la température, le niveau de nuisances sonores, la consommation énergétique et l’autonomie.
Appareil photo primaire: 1 MPix
Size Comparison
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SDCardreader Transfer Speed | |
average JPG Copy Test (av. of 3 runs) | |
Dell Latitude 5490-TD70X (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Lenovo ThinkPad T480-20L6S01V00 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Lenovo ThinkPad T470-20HD002HGE (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Lenovo ThinkPad T480s-20L8S02E00 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
HP EliteBook 840 G4-Z2V49ET ABD (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Fujitsu LifeBook U747 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Average of class Office (of 196, min: 16.5, max: 191) | |
maximum AS SSD Seq Read Test (1GB) | |
Dell Latitude 5490-TD70X (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Lenovo ThinkPad T470-20HD002HGE (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Lenovo ThinkPad T480s-20L8S02E00 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Lenovo ThinkPad T480-20L6S01V00 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
HP EliteBook 840 G4-Z2V49ET ABD (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Fujitsu LifeBook U747 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
Average of class Office (of 175, min: 9.5, max: 255) |
Networking | |
iperf3 Client (receive) TCP 1 m 4M x10 | |
Lenovo ThinkPad T470-20HD002HGE | |
Fujitsu LifeBook U747 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Dell Latitude 5490-TD70X | |
HP EliteBook 840 G4-Z2V49ET ABD (jseb) | |
Average of class Office (of 131, min: 5, max: 688) | |
iperf3 Client (transmit) TCP 1 m 4M x10 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470-20HD002HGE | |
Dell Latitude 5490-TD70X | |
HP EliteBook 840 G4-Z2V49ET ABD (jseb) | |
Fujitsu LifeBook U747 | |
Average of class Office (of 131, min: 34, max: 688) |
|
Homogénéité de la luminosité: 90 %
Valeur mesurée au centre, sur batterie: 311 cd/m²
Contraste: 1228:1 (Valeurs des noirs: 0.25 cd/m²)
ΔE Color 5.7 | 0.8-29.43 Ø6.4, calibrated: 4.7
ΔE Greyscale 3.7 | 0.64-98 Ø6.6
58.7% sRGB (Argyll) 37.4% AdobeRGB 1998 (Argyll)
Gamma: 2.11
Lenovo ThinkPad T480-20L6S01V00 Lenovo LP140WF6-SPB7, , 1920x1080, 14 | Lenovo ThinkPad T470-20HD002HGE N140HCA-EAB, , 1920x1080, 14 | Lenovo ThinkPad T480s-20L8S02E00 LP140QH2-SPB1, , 2560x1440, 14 | Dell Latitude 5490-TD70X AU Optronics AUO263D, , 1920x1080, 14 | HP EliteBook 840 G4-Z2V49ET ABD AUO123D, , 1920x1080, 14 | Fujitsu LifeBook U747 LG LP140WF3, , 1920x1080, 14 | |
---|---|---|---|---|---|---|
Response Times | -27% | -7% | -29% | -2% | 3% | |
Response Time Grey 50% / Grey 80% * | 35.6 (17.6, 18) | 41.6 (20.4, 21.2) -17% | 36 (17.6, 18.4) -1% | 46.9 (23.6, 23.3) -32% | 39 (20, 19, Plateau) -10% | 36 (16.4, 19.6) -1% |
Response Time Black / White * | 24.8 (13.2, 11.6) | 34 (9.6, 24.4) -37% | 28 (15.6, 12.4) -13% | 31.2 (18, 13.2) -26% | 23 (6, 17, Plateau) 7% | 23.2 (12.4, 10.8) 6% |
PWM Frequency | ||||||
Screen | -6% | 22% | -2% | -44% | 10% | |
Brightness middle | 307 | 306 0% | 311 1% | 227 -26% | 346 13% | 291 -5% |
Brightness | 295 | 287 -3% | 302 2% | 211 -28% | 317 7% | 296 0% |
Brightness Distribution | 90 | 88 -2% | 91 1% | 88 -2% | 86 -4% | 84 -7% |
Black Level * | 0.25 | 0.3 -20% | 0.36 -44% | 0.19 24% | 0.86 -244% | 0.32 -28% |
Contrast | 1228 | 1020 -17% | 864 -30% | 1195 -3% | 402 -67% | 909 -26% |
Colorchecker DeltaE2000 * | 5.7 | 6.2 -9% | 3 47% | 5.6 2% | 8.64 -52% | 4.3 25% |
Colorchecker DeltaE2000 max. * | 21.3 | 13.6 36% | 6.1 71% | 22.4 -5% | 13.58 36% | 7.5 65% |
Colorchecker DeltaE2000 calibrated * | 4.7 | 1.7 64% | ||||
Greyscale DeltaE2000 * | 3.7 | 5.8 -57% | 4 -8% | 2.4 35% | 11.24 -204% | 4.3 -16% |
Gamma | 2.11 114% | 2.04 118% | 2.17 111% | 2.44 98% | 2.62 92% | 2.31 104% |
CCT | 7353 88% | 6277 104% | 6961 93% | 6506 100% | 12530 52% | 6529 100% |
Color Space (Percent of AdobeRGB 1998) | 37.4 | 39.62 6% | 66.7 78% | 34.5 -8% | 52 39% | 55.46 48% |
Color Space (Percent of sRGB) | 58.7 | 61.44 5% | 96.7 65% | 54.4 -7% | 80 36% | 84.77 44% |
Moyenne finale (programmes/paramètres) | -17% /
-10% | 8% /
18% | -16% /
-6% | -23% /
-37% | 7% /
9% |
* ... Moindre est la valeur, meilleures sont les performances
Temps de réponse de l'écran
↔ Temps de réponse noir à blanc | ||
---|---|---|
24.8 ms ... hausse ↗ et chute ↘ combinées | ↗ 13.2 ms hausse | |
↘ 11.6 ms chute | ||
L'écran montre de bons temps de réponse, mais insuffisant pour du jeu compétitif. En comparaison, tous les appareils testés affichent entre 0.8 (minimum) et 240 (maximum) ms. » 35 % des appareils testés affichent de meilleures performances. Cela signifie que les latences relevées sont similaires à la moyenne (26.3 ms) de tous les appareils testés. | ||
↔ Temps de réponse gris 50% à gris 80% | ||
35.6 ms ... hausse ↗ et chute ↘ combinées | ↗ 17.6 ms hausse | |
↘ 18 ms chute | ||
L'écran souffre de latences très élevées, à éviter pour le jeu. En comparaison, tous les appareils testés affichent entre 0.9 (minimum) et 636 (maximum) ms. » 25 % des appareils testés affichent de meilleures performances. Cela signifie que les latences relevées sont meilleures que la moyenne (42.1 ms) de tous les appareils testés. |
Scintillement / MLI (Modulation de largeur d'impulsion)
Scintillement / MLI (Modulation de largeur d'impulsion) non décelé | |||
En comparaison, 54 % des appareils testés n'emploient pas MDI pour assombrir leur écran. Nous avons relevé une moyenne à 9986 (minimum : 43 - maximum : 588200) Hz dans le cas où une MDI était active. |
Cinebench R15 | |
CPU Single 64Bit | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average Intel Core i7-8550U (of 37, min: 109, max: 172) | |
Dell Latitude 5490-TD70X | |
Fujitsu LifeBook U747 | |
Lenovo ThinkPad T470-20HD002HGE | |
HP EliteBook 840 G4-Z2V49ET ABD | |
Average of class Office (of 433, min: 20, max: 176) | |
CPU Multi 64Bit | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Dell Latitude 5490-TD70X | |
Average Intel Core i7-8550U (of 39, min: 407, max: 761) | |
Fujitsu LifeBook U747 | |
HP EliteBook 840 G4-Z2V49ET ABD | |
Lenovo ThinkPad T470-20HD002HGE | |
Average of class Office (of 437, min: 36, max: 736) |
PCMark 8 | |
Work Score Accelerated v2 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Average Intel Core i7-8550U, NVIDIA GeForce MX150 (of 11, min: 4063, max: 5228) | |
Dell Latitude 5490-TD70X | |
Lenovo ThinkPad T470-20HD002HGE | |
Fujitsu LifeBook U747 | |
HP EliteBook 840 G4-Z2V49ET ABD | |
Average of class Office (of 272, min: 1226, max: 5194) | |
Home Score Accelerated v2 | |
Average Intel Core i7-8550U, NVIDIA GeForce MX150 (of 12, min: 3145, max: 4130) | |
Dell Latitude 5490-TD70X | |
Lenovo ThinkPad T480-20L6S01V00 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470-20HD002HGE | |
Fujitsu LifeBook U747 | |
HP EliteBook 840 G4-Z2V49ET ABD | |
Average of class Office (of 312, min: 1169, max: 4273) |
PCMark 10 | |
Productivity | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average Intel Core i7-8550U, NVIDIA GeForce MX150 (of 11, min: 5079, max: 7244) | |
Average of class Office (of 56, min: 1639, max: 6937) | |
Essentials | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Average Intel Core i7-8550U, NVIDIA GeForce MX150 (of 11, min: 6423, max: 8412) | |
Average of class Office (of 56, min: 2683, max: 8523) | |
Lenovo ThinkPad T480-20L6S01V00 | |
Score | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average Intel Core i7-8550U, NVIDIA GeForce MX150 (of 11, min: 3071, max: 4106) | |
Average of class Office (of 57, min: 803, max: 4043) |
PCMark 8 Home Score Accelerated v2 | 3675 points | |
PCMark 8 Work Score Accelerated v2 | 5025 points |
Lenovo ThinkPad T480-20L6S01V00 Samsung SSD PM981 MZVLB512HAJQ-000L7 | Lenovo ThinkPad T470-20HD002HGE Samsung PM961 NVMe MZVLW512HMJP | Lenovo ThinkPad T480s-20L8S02E00 Samsung SSD PM981 MZVLB512HAJQ-000L7 | Dell Latitude 5490-TD70X Toshiba KSG60ZMV512G | HP EliteBook 840 G4-Z2V49ET ABD Samsung PM961 MZVLW256HEHP | Fujitsu LifeBook U747 Samsung MZYTY256HDHP | Average Samsung SSD PM981 MZVLB512HAJQ-000L7 | |
---|---|---|---|---|---|---|---|
CrystalDiskMark 3.0 | 29% | 118% | -32% | 46% | -30% | 62% | |
Write 4k QD32 | 271.4 | 425.4 57% | 706.2 160% | 300.2 11% | 410.2 51% | 249.7 -8% | 460 (of 8, min: 265, max: 706) 69% |
Read 4k QD32 | 383.4 | 496.2 29% | 446.6 16% | 295.6 -23% | 512.9 34% | 399.1 4% | 394 (of 8, min: 336, max: 447) 3% |
Write 4k | 108 | 134.6 25% | 146.8 36% | 88.96 -18% | 157.1 45% | 87.8 -19% | 137 (of 8, min: 108, max: 161) 27% |
Read 4k | 64.39 | 55.46 -14% | 62.65 -3% | 27.34 -58% | 61.38 -5% | 35.73 -45% | 62.7 (of 8, min: 59.3, max: 66.9) -3% |
Write 512 | 566.8 | 861.6 52% | 1863 229% | 360.7 -36% | 803.5 42% | 283.4 -50% | 1393 (of 8, min: 565, max: 1885) 146% |
Read 512 | 561.1 | 810.6 44% | 1799 221% | 410.1 -27% | 921.8 64% | 396.7 -29% | 1053 (of 8, min: 419, max: 1799) 88% |
Write Seq | 927.8 | 1076 16% | 1858 100% | 425 -54% | 1263 36% | 497.8 -46% | 1450 (of 8, min: 924, max: 1889) 56% |
Read Seq | 922 | 1155 25% | 2588 181% | 465.1 -50% | 1819 97% | 504 -45% | 1957 (of 8, min: 922, max: 2588) 112% |
3DMark 11 - 1280x720 Performance GPU | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 25, min: 2796, max: 4775) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Dell Latitude 5490-TD70X | |
Lenovo ThinkPad T470-20HD002HGE | |
Average of class Office (of 557, min: 185, max: 4967) |
3DMark | |
1920x1080 Fire Strike Graphics | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 24, min: 2324, max: 3739) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Dell Latitude 5490-TD70X | |
Average of class Office (of 394, min: 138, max: 4109) | |
Lenovo ThinkPad T470-20HD002HGE | |
1280x720 Cloud Gate Standard Graphics | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 23, min: 16227, max: 22183) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Dell Latitude 5490-TD70X | |
Lenovo ThinkPad T470-20HD002HGE | |
Average of class Office (of 438, min: 1208, max: 27117) |
3DMark 11 Performance | 4236 points | |
3DMark Cloud Gate Standard Score | 9981 points | |
3DMark Fire Strike Score | 3218 points |
The Witcher 3 | |
1920x1080 High Graphics & Postprocessing (Nvidia HairWorks Off) | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 15, min: 13.3, max: 23.8) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Average of class Office (of 28, min: 3.1, max: 20) | |
1366x768 Medium Graphics & Postprocessing | |
Average NVIDIA GeForce MX150 (of 16, min: 24.4, max: 43.2) | |
Lenovo ThinkPad T480-20L6S01V00 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Average of class Office (of 38, min: 5.8, max: 34) | |
Dell Latitude 5490-TD70X | |
1024x768 Low Graphics & Postprocessing | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 15, min: 44.7, max: 72) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Average of class Office (of 60, min: 8.3, max: 59) | |
Dell Latitude 5490-TD70X | |
Lenovo ThinkPad T470-20HD002HGE | |
HP EliteBook 840 G4-Z2V49ET ABD |
Rise of the Tomb Raider | |
1920x1080 High Preset AA:FX AF:4x | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 18, min: 14.8, max: 24.6) | |
Lenovo ThinkPad T470p-20J7S00000 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Average of class Office (of 37, min: 4.2, max: 32) | |
Dell Latitude 5490-TD70X | |
1366x768 Medium Preset AF:2x | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 18, min: 28.2, max: 44.6) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Average of class Office (of 53, min: 4.1, max: 49.3) | |
Lenovo ThinkPad T470-20HD002HGE | |
Dell Latitude 5490-TD70X | |
1024x768 Lowest Preset | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 17, min: 44.9, max: 78.4) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Lenovo ThinkPad T470p-20J7S00000 | |
Average of class Office (of 72, min: 6.2, max: 111) | |
Dell Latitude 5490-TD70X | |
Lenovo ThinkPad T470-20HD002HGE | |
Fujitsu LifeBook U747 |
Doom | |
1920x1080 Medium Preset | |
Average NVIDIA GeForce MX150 (of 1, min: 26.1, max: 26.1) | |
Average of class Office (of 1, min: 26.1, max: 26.1) | |
Lenovo ThinkPad T480-20L6S01V00 | |
1366x768 Medium Preset | |
Lenovo ThinkPad T480-20L6S01V00 | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Average NVIDIA GeForce MX150 (of 5, min: 24.5, max: 61.4) | |
Average of class Office (of 7, min: 8.3, max: 56.6) | |
1280x720 Low Preset | |
Lenovo ThinkPad T480-20L6S01V00 | |
Average NVIDIA GeForce MX150 (of 4, min: 58.8, max: 68.6) | |
Lenovo ThinkPad T480s-20L8S02E00 | |
Average of class Office (of 7, min: 13.3, max: 65.9) |
Bas | Moyen | Élevé | Ultra | ||
The Witcher 3 (2015) | 59 | 34 | 20 | 11 | fps |
Rise of the Tomb Raider (2016) | 70.5 | 37.5 | 21.8 | 18.6 | fps |
Doom (2016) | 65.88 | 56.58 | 26.08 | 24.14 | fps |
Degré de la nuisance sonore
Au repos |
| 29 / 29 / 29 dB(A) | |||
Fortement sollicité |
| 35.6 / 35.6 dB(A) | |||
![]() | |||||
30 dB silencieux 40 dB(A) audible 50 dB(A) bruyant |
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min: ![]() ![]() ![]() |
Lenovo ThinkPad T480-20L6S01V00 GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ-000L7 | Lenovo ThinkPad T470-20HD002HGE HD Graphics 620, 7200U, Samsung PM961 NVMe MZVLW512HMJP | Lenovo ThinkPad T480s-20L8S02E00 GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ-000L7 | Dell Latitude 5490-TD70X UHD Graphics 620, 8350U, Toshiba KSG60ZMV512G | HP EliteBook 840 G4-Z2V49ET ABD HD Graphics 620, 7200U, Samsung PM961 MZVLW256HEHP | Fujitsu LifeBook U747 HD Graphics 620, 7200U, Samsung MZYTY256HDHP | |
---|---|---|---|---|---|---|
Noise | 4% | -2% | -3% | -3% | 5% | |
off / environment * | 29 | 28 3% | 29 -0% | 28.8 1% | 31 -7% | 28.2 3% |
Idle Minimum * | 29 | 28 3% | 29 -0% | 28.8 1% | 31 -7% | 28.2 3% |
Idle Average * | 29 | 28 3% | 29 -0% | 28.8 1% | 31 -7% | 28.2 3% |
Idle Maximum * | 29 | 29.4 -1% | 29 -0% | 30.9 -7% | 31 -7% | 28.2 3% |
Load Average * | 35.6 | 31.4 12% | 36.5 -3% | 35.6 -0% | 33.5 6% | 31.2 12% |
Witcher 3 ultra * | 32.5 | 32.8 -1% | ||||
Load Maximum * | 35.6 | 34.6 3% | 38.2 -7% | 41.4 -16% | 33.7 5% | 33 7% |
* ... Moindre est la valeur, meilleures sont les performances
Lenovo ThinkPad T480-20L6S01V00 GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ-000L7 | Lenovo ThinkPad T470-20HD002HGE HD Graphics 620, 7200U, Samsung PM961 NVMe MZVLW512HMJP | Lenovo ThinkPad T480s-20L8S02E00 GeForce MX150, 8550U, Samsung SSD PM981 MZVLB512HAJQ-000L7 | Dell Latitude 5490-TD70X UHD Graphics 620, 8350U, Toshiba KSG60ZMV512G | HP EliteBook 840 G4-Z2V49ET ABD HD Graphics 620, 7200U, Samsung PM961 MZVLW256HEHP | Fujitsu LifeBook U747 HD Graphics 620, 7200U, Samsung MZYTY256HDHP | |
---|---|---|---|---|---|---|
Heat | 4% | -2% | 3% | 4% | 5% | |
Maximum Upper Side * | 41.2 | 37.2 10% | 49.2 -19% | 38.3 7% | 37 10% | 42.6 -3% |
Maximum Bottom * | 49.9 | 45.1 10% | 48.2 3% | 44.7 10% | 39.4 21% | 34.4 31% |
Idle Upper Side * | 24.1 | 24.4 -1% | 23.2 4% | 23.7 2% | 25.9 -7% | 25.1 -4% |
Idle Bottom * | 23.9 | 25 -5% | 23 4% | 25.4 -6% | 25.6 -7% | 24.6 -3% |
* ... Moindre est la valeur, meilleures sont les performances
Lenovo ThinkPad T480-20L6S01V00 audio analysis
(±) | speaker loudness is average but good (74.6 dB)
Bass 100 - 315 Hz(-) | nearly no bass - on average 22.6% lower than median
(±) | linearity of bass is average (11.6% delta to prev. frequency)Mids 400 - 2000 Hz
(+) | balanced mids - only 3.1% away from median
(±) | linearity of mids is average (8% delta to prev. frequency)Highs 2 - 16 kHz
(+) | balanced highs - only 4.1% away from median
(±) | linearity of highs is average (8.1% delta to prev. frequency)Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (21.1% difference to median)
Compared to same class
» 56% of all tested devices in this class were better, 10% similar, 34% worse
» The best had a delta of 8%, average was 21%, worst was 51%
Compared to all devices tested
» 48% of all tested devices were better, 8% similar, 44% worse
» The best had a delta of 3%, average was 21%, worst was 53%
Lenovo ThinkPad T480s-20L8S02E00 audio analysis
(±) | speaker loudness is average but good (78.9 dB)
Bass 100 - 315 Hz(-) | nearly no bass - on average 19.4% lower than median
(±) | linearity of bass is average (12.1% delta to prev. frequency)Mids 400 - 2000 Hz
(±) | higher mids - on average 6.5% higher than median
(±) | linearity of mids is average (9.6% delta to prev. frequency)Highs 2 - 16 kHz
(+) | balanced highs - only 3.5% away from median
(±) | linearity of highs is average (7.6% delta to prev. frequency)Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (20.3% difference to median)
Compared to same class
» 51% of all tested devices in this class were better, 8% similar, 41% worse
» The best had a delta of 8%, average was 21%, worst was 51%
Compared to all devices tested
» 44% of all tested devices were better, 8% similar, 49% worse
» The best had a delta of 3%, average was 21%, worst was 53%
Éteint/en veille | ![]() ![]() |
Au repos | ![]() ![]() ![]() |
Fortement sollicité |
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Légende:
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Lenovo ThinkPad T480-20L6S01V00 8550U, GeForce MX150, Samsung SSD PM981 MZVLB512HAJQ-000L7, IPS, 1920x1080, 14 | Lenovo ThinkPad T470-20HD002HGE 7200U, HD Graphics 620, Samsung PM961 NVMe MZVLW512HMJP, IPS, 1920x1080, 14 | Lenovo ThinkPad T480s-20L8S02E00 8550U, GeForce MX150, Samsung SSD PM981 MZVLB512HAJQ-000L7, IPS LED, 2560x1440, 14 | Dell Latitude 5490-TD70X 8350U, UHD Graphics 620, Toshiba KSG60ZMV512G, IPS, 1920x1080, 14 | HP EliteBook 840 G4-Z2V49ET ABD 7200U, HD Graphics 620, Samsung PM961 MZVLW256HEHP, TN, 1920x1080, 14 | Fujitsu LifeBook U747 7200U, HD Graphics 620, Samsung MZYTY256HDHP, IPS LED, 1920x1080, 14 | |
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Power Consumption | 31% | 5% | 19% | 32% | 18% | |
Idle Minimum * | 3.6 | 3.21 11% | 3.4 6% | 3.3 8% | 2.9 19% | 4.11 -14% |
Idle Average * | 7.1 | 6.15 13% | 7.5 -6% | 5.54 22% | 5.6 21% | 7.87 -11% |
Idle Maximum * | 9.5 | 6.82 28% | 10.8 -14% | 6.59 31% | 8.15 14% | 8.74 8% |
Load Average * | 63.9 | 28.5 55% | 55.4 13% | 42.4 34% | 30.6 52% | 30.2 53% |
Load Maximum * | 67.3 | 34.5 49% | 70.3 -4% | 67.6 -0% | 31 54% | 32.4 52% |
Witcher 3 ultra * | 53.9 | 34 37% |
* ... Moindre est la valeur, meilleures sont les performances
Lenovo ThinkPad T480-20L6S01V00 8550U, GeForce MX150, 72 Wh | Lenovo ThinkPad T470-20HD002HGE 7200U, HD Graphics 620, 48 Wh | Lenovo ThinkPad T480s-20L8S02E00 8550U, GeForce MX150, 57 Wh | Dell Latitude 5490-TD70X 8350U, UHD Graphics 620, 68 Wh | HP EliteBook 840 G4-Z2V49ET ABD 7200U, HD Graphics 620, 51 Wh | Fujitsu LifeBook U747 7200U, HD Graphics 620, 50 Wh | Average of class Office | |
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Autonomie de la batterie | -26% | -29% | -2% | -13% | -37% | -48% | |
Reader / Idle | 1671 | 1366 -18% | 1556 -7% | 1155 -31% | 782 -53% | 550 (of 750, min: 101, max: 1857) -67% | |
H.264 | 638 | 623 -2% | 550 -14% | 791 24% | 591 -7% | 490 -23% | 406 (of 136, min: 139, max: 791) -36% |
WiFi v1.3 | 794 | 438 -45% | 530 -33% | 897 13% | 571 -28% | 430 -46% | 400 (of 248, min: 105, max: 964) -50% |
Load | 159 | 110 -31% | 76 -52% | 97 -39% | 184 16% | 117 -26% | 100 (of 692, min: 37, max: 259) -37% |
Points positifs
Points négatifs
Le Lenovo ThinkPad T480 fait bien les choses, sans réel point faible.
L’écran très sensible à la pression ainsi que le SSD pas aussi rapide qu’il le pourrait sont les principales critiques que l’on peut lui faire. D’autant que le fabricant aurait pu éviter ces faiblesses. De plus, l’étrange throttle qui se produit en cas de grosses sollicitations, ainsi que la baisse inexplicable de performances lors de longues sessions de travail, nous ont laissé perplexes. Mais heureusement ces problèmes peuvent être résolus en mettant le BIOS à jour manuellement (version 1.1).
L’appareil possède en revanche un bon nombre de points positifs, comme son écran lumineux et bien contrasté, ses excellents périphériques d’entrée, ses fonctionnalités de sécurité nombreuses, sa deuxième batterie pratique, et ses excellentes performances (avec néanmoins quelques limitations). Ceux qui cherchent un portable de grande qualité avec nombre de fonctionnalités de sécurité, ne peuvent se tromper avec le ThinkPad T480, surtout ceux qui pourront utiliser le programme Campus. La partie matérielle et la carte graphique dédiée en particulier permettent à l’appareil d’être adapté à des utilisations modernes (malgré quelques limitations). De plus, le T480 est un appareil bien calibré pour la mobilité, ce qui en fait un excellent portable professionnel, capable de remplir des tâches bien plus complexes que le simple travail de bureau.
Même avec le prix réduit de 1 399 €, l’appareil est plutôt cher. Un client classique devra même débourser 1 700 €. Cela ne nous empêche pas de le recommander, surtout avec la mise à jour du BIOS.
L’intégralité de cette critique est disponible en anglais en suivant ce lien.
Lenovo ThinkPad T480-20L6S01V00 - 03/27/2018 v6
Christian Hintze