Asus ExpertBook B9 OLED (2023) review: Slim business notebook for demanding users


Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR




4001 (3943.69min – 4000.53max) MB/s +13%

LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N





3934 (3872.6min – 3934.05max) MB/s +11%

Average Samsung PM9A1 MZVL21T0HCLR
  (1761 – 4677, n=73) Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02




3581 (3560.54min – 3580.71max) MB/s +1%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





3530 (2877.5min – 3530.42max) MB/s

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




2921 (1627.39min – 2920.7max) MB/s -17%

Average of class Subnotebook
  (452 – 4315, n=60, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM





1748 (1738.63min – 1748.4max) MB/s -50%

Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02





3625 (3477.67min – 3625.44max) MB/s +16%

Average Samsung PM9A1 MZVL21T0HCLR
  (2220 – 4564, n=73) LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N




3522 (3235.7min – 3521.96max) MB/s +12%

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




3401 (3154.55min – 3400.53max) MB/s +8%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR





3321 (3143.21min – 3321.26max) MB/s +6%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





3136 (3111.33min – 3136.1max) MB/s

Average of class Subnotebook
  (153.3 – 5344, n=61, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM




1519 (1462.98min – 1518.55max) MB/s -52%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR




7036 (6223.64min – 7035.55max) MB/s +6%

LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N




6978 (5832.18min – 6977.55max) MB/s +5%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





6619 (6058.46min – 6619.24max) MB/s

Average Samsung PM9A1 MZVL21T0HCLR
  (3421 – 7061, n=73) Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02





5919 (4663.86min – 5919.42max) MB/s -11%

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




5598 (3950.89min – 5597.72max) MB/s -15%

Average of class Subnotebook
  (509 – 7134, n=59, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM





3234 (2750.16min – 3234.44max) MB/s -51%

LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N





6149 (6105.44min – 6149.48max) MB/s +25%

Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02




5224 (5079.3min – 5223.8max) MB/s +6%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR




5179 (4831.64min – 5178.79max) MB/s +5%

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




5063 (5035.69min – 5062.94max) MB/s +3%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





4933 (4919.08min – 4933.34max) MB/s

Average Samsung PM9A1 MZVL21T0HCLR
  (2216 – 5259, n=73) Average of class Subnotebook
  (60 – 6751, n=60, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM




1610 (1548.54min – 1609.56max) MB/s -67%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR




83.3 (77.84min – 83.26max) MB/s +5%

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ





82.5 (80.71min – 82.54max) MB/s +4%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





79.3 (77.47min – 79.32max) MB/s

Average Samsung PM9A1 MZVL21T0HCLR
  (48.4 – 97.4, n=73) LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N





74.3 (72.71min – 74.33max) MB/s -6%

Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02




62.6 (60.85min – 62.59max) MB/s -21%

Average of class Subnotebook
  (12.6 – 141.9, n=60, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM




29.9 (29.58min – 29.88max) MB/s -62%

Average Samsung PM9A1 MZVL21T0HCLR
  (49.9 – 280, n=73) Average of class Subnotebook
  (41.1 – 360, n=60, last 2 years) LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N





149.4 (143.79min – 149.44max) MB/s +15%

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




145.9 (143.58min – 145.9max) MB/s +12%

Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02




143.7 (137.7min – 143.66max) MB/s +11%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR




140.8 (131.23min – 140.77max) MB/s +9%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR




129.7 (126.67min – 129.65max) MB/s

Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM




106.4 (102.49min – 106.35max) MB/s -18%

Average Samsung PM9A1 MZVL21T0HCLR
  (376 – 4185, n=73) Average of class Subnotebook
  (225 – 3550, n=60, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM





766 (741.1min – 766.14max) MB/s +19%

Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02




651 (472.26min – 650.82max) MB/s +1%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





643 (588.04min – 643.36max) MB/s

LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N





624 (570.35min – 624.14max) MB/s -3%

Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




590 (557.57min – 589.84max) MB/s -8%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR





494 (392.19min – 494.04max) MB/s -23%

Average Samsung PM9A1 MZVL21T0HCLR
  (291 – 3559, n=73) Average of class Subnotebook
  (130 – 2554, n=60, last 2 years) Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ




448 (440.57min – 447.7max) MB/s +28%

LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N





396 (367.7min – 396.43max) MB/s +13%

Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR





372 (323.75min – 372.35max) MB/s +6%

Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02




360 (293.34min – 359.63max) MB/s +3%

Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR





351 (335.84min – 351.23max) MB/s

Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM





313 (308.5min – 313.39max) MB/s -11%

Average Samsung PM9A1 MZVL21T0HCLR
  (2577 – 9147, n=74) Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Average of class Subnotebook
  (681 – 8571, n=59, last 2 years) Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Average Samsung PM9A1 MZVL21T0HCLR
  (983 – 3469, n=74) Average of class Subnotebook
  (253 – 3224, n=59, last 2 years) Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Average Samsung PM9A1 MZVL21T0HCLR
  (921 – 4043, n=74) LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Average of class Subnotebook
  (288 – 3782, n=59, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Average Samsung PM9A1 MZVL21T0HCLR
  (2638 – 5621, n=74) Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Average of class Subnotebook
  (508 – 5546, n=59, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Average Samsung PM9A1 MZVL21T0HCLR
  (1617 – 4526, n=74) Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Average of class Subnotebook
  (352 – 4961, n=59, last 2 years) Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Average Samsung PM9A1 MZVL21T0HCLR
  (45.9 – 89.2, n=74) Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Average of class Subnotebook
  (14.8 – 96.2, n=59, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Average Samsung PM9A1 MZVL21T0HCLR
  (118.6 – 246, n=74) Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Average of class Subnotebook
  (52.8 – 256, n=59, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Average Samsung PM9A1 MZVL21T0HCLR
  (421 – 2854, n=74) Average of class Subnotebook
  (180.5 – 2783, n=59, last 2 years) Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Average Samsung PM9A1 MZVL21T0HCLR
  (367 – 3451, n=74) Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Average of class Subnotebook
  (191.4 – 3196, n=59, last 2 years) Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 Average of class Subnotebook
  (0.021 – 0.257, n=58, last 2 years) Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N Average Samsung PM9A1 MZVL21T0HCLR
  (0.018 – 0.083, n=73) Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Asus ZenBook 14 UM3402Y
Micron 2400 MTFDKBA512QFM Average of class Subnotebook
  (0.016 – 0.523, n=59, last 2 years) Dell XPS 13 Plus 9320 Core i7-1360P
Samsung PM9A1 MZVL2512HCJQ Average Samsung PM9A1 MZVL21T0HCLR
  (0.017 – 0.101, n=74) Asus ZenBook S13 OLED UX5304
Samsung PM9A1 MZVL21T0HCLR Asus ExpertBook B9 B9403CVA-KM0153X
Samsung PM9A1 MZVL21T0HCLR Lenovo ThinkPad X13 G4 21EX004QGE
Kioxia XG8 KXG8AZNV1T02 LG Gram Style 14Z90RS-G.AD7AG
SK hynix PC801 HFS001TEJ9X101N

* … smaller is better


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