Fujitsu Lifebook U939 Laptop Review: A compact business notebook with LTE

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Fujitsu Lifebook U939 i5
Samsung SSD PM981 MZVLB512HAJQ Dynabook Portege X30L-G1331
Samsung SSD PM981a MZVLB512HBJQ Dell XPS 13 9300 i5 FHD
Toshiba XG6 KXG60ZNV512G Lenovo ThinkPad X390-20Q1S02M00
Intel SSD Pro 7600p SSDPEKKF512G8L Average Samsung SSD PM981 MZVLB512HAJQ
  Average of class Subnotebook
  Write 4K

159

121.88

-23%

120.7

-24%

127 (90.4 – 176, n=64)

-20%

101 (3.23 – 191, n=137)

-36%

Read 4K

48.12

44 (28 – 61.3, n=63)

-9%

62.5 (5.37 – 3738, n=137)

30%

Write Seq

1657

1497.33

-10%

1617 (112 – 2730, n=62)

-2%

936 (37.3 – 2730, n=136)

-44%

Read Seq

1522

2110.65

39%

1716 (501 – 2665, n=62)

13%

1186 (142 – 2760, n=136)

-22%

Write 4K Q32T1

349.2

237.5

-32%

413 (198 – 1707, n=64)

18%

298 (3.6 – 868, n=137)

-15%

Read 4K Q32T1

452.2

384.57

-15%

336.1

-26%

420 (230 – 1015, n=64)

-7%

342 (9.66 – 1580, n=137)

-24%

Write Seq Q32T1

1941

2748.2

42%

2076 (1714 – 2994, n=64)

7%

1097 (16.7 – 3007, n=137)

-43%

Read Seq Q32T1

3510

3119.1

-11%

3130 (1772 – 3565, n=64)

-11%

1953 (113 – 3569, n=137)

-44%

Write 4K Q8T8

1065.2

1264 (369 – 1814, n=13)

626 (12.4 – 1283, n=16)

Read 4K Q8T8

890.5

1193 (527 – 1620, n=13)

665 (31.7 – 1172, n=16)

Score Total

3887

3966 (2348 – 5316, n=62)

2%

1467 (28 – 5191, n=285)

-62%

Score Write

1618

1780 (147 – 2992, n=62)

10%

523 (8 – 2379, n=285)

-68%

Score Read

1523

1451 (752 – 2125, n=62)

-5%

632 (12 – 2339, n=285)

-59%

Access Time Write *

0.026

0.091

-250%

0.033

-27%

0.0834 (0.025 – 2.52, n=62)

-221%

0.818 (0.021 – 30.3, n=348)

-3046%

Access Time Read *

0.044

0.085

-93%

0.0509 (0.029 – 0.103, n=62)

-16%

0.85 (0.043 – 23, n=341)

-1832%

4K-64 Write

1290.38

1695.84

31%

1220.39

-5%

1041.48

-19%

1505 (96.2 – 2716, n=62)

17%

326 (0.22 – 2105, n=358)

-75%

4K-64 Read

1202.09

1601.42

33%

899.28

-25%

865.4

-28%

1203 (530 – 1823, n=62)

0%

434 (0.41 – 2011, n=358)

-64%

4K Write

145.77

124.61

-15%

120.63

-17%

112 (1.76 – 146, n=62)

-23%

66.4 (0.2 – 180, n=358)

-54%

4K Read

53.71

48.07

-11%

50.5 (31.7 – 61, n=62)

-6%

26.8 (0.35 – 63.8, n=358)

-50%

Seq Write

1818.87

2443.8

34%

1462.29

-20%

1637 (487 – 2564, n=62)

-10%

553 (14 – 2564, n=359)

-70%

Seq Read

2676.5

2067.04

-23%

2688.86

0%

1975 (1030 – 2806, n=62)

-26%

899 (50.5 – 2980, n=359)

-66%

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