Lenovo ThinkPad L14 G4 AMD Review: affordable laptop with good upgradeability and battery life


Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ




3743 (1397.54min – 3742.93max) MB/s ∼100% +65%

Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G




2449 (2378.72min – 2448.56max) MB/s ∼65% +8%

Average Kioxia BG5 KBG5AZNT512G
  (2271 – 2354, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G




2271 (2228.17min – 2270.87max) MB/s ∼61%

HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G




2253 (2219.38min – 2252.76max) MB/s ∼60% -1%

Average of class Office
  (215 – 4278, n=106, last 2 years) Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G




1820 (1795.76min – 1819.7max) MB/s ∼49% -20%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU




1509 (1241.55min – 1508.61max) MB/s ∼40% -34%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ





3209 (2978.58min – 3209.14max) MB/s ∼100% +54%

Average Kioxia BG5 KBG5AZNT512G
  (2081 – 2226, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G





2081 (1864.41min – 2081.25max) MB/s ∼65%

Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G




2052 (1973.84min – 2051.94max) MB/s ∼64% -1%

Average of class Office
  (56.3 – 4984, n=106, last 2 years) HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G





1917 (1855min – 1917.22max) MB/s ∼60% -8%

Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G




1541 (1270.45min – 1540.99max) MB/s ∼48% -26%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU




1229 (899.05min – 1228.93max) MB/s ∼38% -41%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ




6129 (435.96min – 6128.93max) MB/s ∼100% +185%

Average of class Office
  (200 – 6922, n=106, last 2 years) HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G





3124 (3039.61min – 3124.38max) MB/s ∼51% +45%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU




3049 (2669.79min – 3048.63max) MB/s ∼50% +42%

Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G




2836 (2244.5min – 2835.56max) MB/s ∼46% +32%

Average Kioxia BG5 KBG5AZNT512G
  (2153 – 2726, n=2) Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G




2237 (2043.26min – 2236.96max) MB/s ∼36% +4%

Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G





2153 (1995.22min – 2153.45max) MB/s ∼35%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ




5006 (4859.17min – 5005.96max) MB/s ∼100% +349%

Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G





2752 (2377.82min – 2752.46max) MB/s ∼55% +147%

HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G




2692 (456.13min – 2691.63max) MB/s ∼54% +142%

Average of class Office
  (57 – 6111, n=106, last 2 years) Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G




1855 (359.78min – 1854.51max) MB/s ∼37% +67%

Average Kioxia BG5 KBG5AZNT512G
  (1114 – 2560, n=2) HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU





1620 (1138.72min – 1620.26max) MB/s ∼32% +45%

Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G




1114 (738.82min – 1113.8max) MB/s ∼22%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ




83.8 (76.57min – 83.77max) MB/s ∼100% +90%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU





55 (54.07min – 55.04max) MB/s ∼66% +25%

Average of class Office
  (9.03 – 94.3, n=106, last 2 years) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G





54.1 (53.19min – 54.12max) MB/s ∼65% +23%

Average Kioxia BG5 KBG5AZNT512G
  (44.1 – 47.9, n=2) Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G





44.8 (44.11min – 44.81max) MB/s ∼53% +2%

HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G





44.7 (43.35min – 44.72max) MB/s ∼53% +1%

Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G




44.1 (43.66min – 44.07max) MB/s ∼53%

Average of class Office
  (14.3 – 292, n=106, last 2 years) Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ




136.6 (136.11min – 136.6max) MB/s ∼86% +9%

Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G




134.4 (132.52min – 134.39max) MB/s ∼85% +7%

Average Kioxia BG5 KBG5AZNT512G
  (125.1 – 136.5, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G




125.1 (122.37min – 125.09max) MB/s ∼79%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU




117.8 (112.15min – 117.79max) MB/s ∼74% -6%

Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G





109.4 (101.14min – 109.44max) MB/s ∼69% -13%

HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G





99.9 (98.65min – 99.93max) MB/s ∼63% -20%

Average Kioxia BG5 KBG5AZNT512G
  (1730 – 1734, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G





1730 (1720.68min – 1730.47max) MB/s ∼100%

Average of class Office
  (27.4 – 4425, n=106, last 2 years) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G




839 (823.21min – 838.99max) MB/s ∼48% -52%

Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G




699 (675.98min – 698.92max) MB/s ∼40% -60%

HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G





637 (612.6min – 637.06max) MB/s ∼37% -63%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU





635 (580.48min – 635.09max) MB/s ∼37% -63%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ




477 (459.41min – 476.64max) MB/s ∼28% -72%

Average of class Office
  (18.8 – 2831, n=106, last 2 years) Average Kioxia BG5 KBG5AZNT512G
  (587 – 842, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G




587 (456.04min – 586.76max) MB/s ∼70%

Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G





377 (357.55min – 377.29max) MB/s ∼45% -36%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ





364 (350.56min – 364.21max) MB/s ∼43% -38%

HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU




346 (333.11min – 346max) MB/s ∼41% -41%

HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G





314 (306.3min – 314.28max) MB/s ∼37% -47%

Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G





275 (241.55min – 275.47max) MB/s ∼33% -53%

Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Average Kioxia BG5 KBG5AZNT512G
  (3826 – 4138, n=2) Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Average of class Office
  (125 – 9204, n=105, last 2 years) HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Average Kioxia BG5 KBG5AZNT512G
  (1661 – 1831, n=2) Average of class Office
  (49 – 3364, n=105, last 2 years) Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Average of class Office
  (39 – 4111, n=105, last 2 years) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Average Kioxia BG5 KBG5AZNT512G
  (1350 – 1359, n=2) HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ


4259.64 MB/s ∼100% +86%

Average of class Office
  (266 – 5739, n=105, last 2 years) HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Average Kioxia BG5 KBG5AZNT512G
  (2289 – 2295, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Average Kioxia BG5 KBG5AZNT512G
  (1470 – 2413, n=2) Average of class Office
  (52.2 – 5880, n=105, last 2 years) Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Average of class Office
  (8.89 – 88.1, n=105, last 2 years) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Average Kioxia BG5 KBG5AZNT512G
  (51.7 – 52.4, n=2) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Average of class Office
  (13.9 – 272, n=105, last 2 years) HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Average Kioxia BG5 KBG5AZNT512G
  (119.7 – 121.5, n=2) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Average Kioxia BG5 KBG5AZNT512G
  (1380 – 1549, n=2) Average of class Office
  (13.1 – 2713, n=105, last 2 years) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ


1768.73 MB/s ∼100% +78%

Average of class Office
  (17.7 – 3280, n=105, last 2 years) HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Average Kioxia BG5 KBG5AZNT512G
  (996 – 1083, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G Average Kioxia BG5 KBG5AZNT512G
  (0.159 – 0.16, n=2) Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G Average of class Office
  (0.022 – 0.389, n=104, last 2 years) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ Average of class Office
  (0.017 – 0.717, n=105, last 2 years)





0.08946 ms * ∼100% -171%

Dell Latitude 3440
Samsung PM9A1 MZVL2512HCJQ HP EliteBook 645 G9, Ryzen 7 5825U
Kioxia BG5 KBG50ZNV512G Lenovo ThinkPad L14 G3 21C50030GE
Kioxia BG5 KBG5AZNT256G Average Kioxia BG5 KBG5AZNT512G
  (0.033 – 0.038, n=2) Lenovo ThinkPad T14 G3-21CF004NGE
Kioxia BG5 KBG5AZNV512G Lenovo ThinkPad L14 G4 21H6S00900
Kioxia BG5 KBG5AZNT512G HP ProBook 440 G9-5Y3Z3EA
Samsung PM991 MZVLQ512HBLU

* … smaller is better


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