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Kioxia KXG70ZNV512G vs WD PC SN740 512GB SDDPMQD-512G-1101

Kioxia KXG70ZNV512G

► remove from comparison KXG70ZNV512G

The Kioxia KXG70ZNV512G (most likely of the XG7 series) is a fast M.2 2280 PCIe 4 drive.

WD PC SN740 512GB SDDPMQD-512G-1101

► remove from comparison SN740 512GB

The Western Digital WD PC SN740 512 GB (SDDPMQD-512G-1101) is a fast mid-range M.2 2242 NVMe SSD.

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Kioxia KXG70ZNV512GWD PC SN740 512GB SDDPMQD-512G-1101
TypeSSDSSD
SizeM.2 2280M.2 2242
Capacity512 GB512 GB
InterfaceNVMeNVMe
Announced04.09.2023 02.03.2023

Benchmarks

Performance Rating - DiskSpd - KXG70ZNV512G
38.4 pt (44%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.717 -98%
...
Lexar NM790 2TB
37.1 -3%
Micron 2450 1TB MTFDKBA1T0TFK
37.5 -2%
Micron 2400 MTFDKCD1T0QFM
37.6 -2%
TeamGroup T-Force G50 TM8FFE004T
37.6 -2%
Western Digital SN740 SDDPTQE-2T00
37.8 -2%
Samsung SSD 980 Pro 250GB MZ-V8P250BW
38.1 -1%
Samsung PM9C1a MZ9L81T0HDLB
38.2 -1%
Intel Optane 905P 480GB 2.5
38.3 0%
SK hynix PC801 HFS512GEJ9X115N
38.3 0%
Kioxia KXG70ZNV512G
38.4
Lenovo UMIS RPETJ1T24MHP2QDQ
38.5 0%
2x Samsung PM9A1 MZVL21T0HCLR (RAID 0)
38.7 1%
Lexar NQ7A1
38.7 1%
Lenovo UMIS AM541 1TB
38.8 1%
Phison C-E80T001T2-P03D54E27T
39.1 2%
ADATA XPG Gammix S70 1TB
39.3 2%
Micron 3400 1TB MTFDKBA1T0TFH
39.3 2%
Micron 2550 MTFDKBA512TGE
39.3 2%
Samsung SSD 980 Pro 500GB MZ-V8P500BW
39.4 3%
...
Kingston Fury Renegade G5 4TB
87.8 129%
0%
100%
Restrict / Search: Model: Max. age: years
Performance Rating - DiskSpd - SN740 512GB
27 pt (31%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.717 -97%
...
Samsung PM9C1 MZVL8512HELU
26.4 -2%
Samsung SSD PM981 MZVLB2T0HMLB
26.4 -2%
YMTC PC300-1TB
26.5 -2%
Intel SSD 760p SSDPEKKW010T8
26.5 -2%
Kingston OM8PGP42048N-A0
26.5 -2%
Samsung SSD PM981 MZVLB1T0HALR
26.5 -2%
TWSC TSC3AN1T0-F6Q10S
26.6 -1%
Rayson RS1D0TSSD710 1024 GB PCIe 4.0 NVMe
26.7 -1%
Samsung PM981a MZVLB1T0HBLR
26.7 -1%
WD PC SN740 512GB SDDPMQD-512G-1101
27
WD PC SN740 512GB SDDQMQD-512G
27.1 0%
WD PC SN560 SDDPNQE-1T00
27.2 1%
Acer Predator SSD GM7000 2TB
27.2 1%
ADATA XPG Gammix S70 Blade 2TB
27.3 1%
Samsung PM9C1a MZAL8512HDLU
27.3 1%
Micron 2550 1TB
27.4 1%
Western Digital PC SN5000S SDEQNSJ-512G-1002
27.5 2%
Samsung PM9C1b MZVL81T0HFLB-00BH1
27.5 2%
WDC PC SN730 SDBPNTY-1T00
27.6 2%
...
Kingston Fury Renegade G5 4TB
87.8 225%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
2325 MB/s (39%)
min: 1679.33     avg: 2005     median: 2088.6 (35%)     max: 2263.19 MB/s
AS SSD - Copy Program
1189 MB/s (44%)
min: 628.01     avg: 847     median: 871.3 (32%)     max: 1041.3 MB/s
AS SSD - Copy ISO
2951 MB/s (11%)
min: 1004.31     avg: 2439     median: 2505.2 (9%)     max: 3266.48 MB/s
AS SSD - Score Total
6529 Points (40%)
min: 2041     avg: 3899     median: 3917 (24%)     max: 5546 Points
AS SSD - Score Write
2229 Points (31%)
min: 1026     avg: 1824     median: 1796 (25%)     max: 2496 Points
AS SSD - Score Read
2905 Points (46%)
min: 681     avg: 1404     median: 1351 (22%)     max: 2034 Points
AS SSD - Access Time Write *
0 ms (0%)
min: 0.017     avg: 0     median: 0 (0%)     max: 0.071 ms
AS SSD - Access Time Read *
0.2 ms (0%)
min: 0.064     avg: 0.1     median: 0.1 (0%)     max: 0.195 ms
AS SSD - 4K-64 Write
1655 MB/s (28%)
min: 675.87     avg: 1393     median: 1353.2 (23%)     max: 1949.21 MB/s
AS SSD - 4K-64 Read
2363 MB/s (46%)
min: 425.2     avg: 981     median: 877.4 (17%)     max: 1571.21 MB/s
AS SSD - 4K Write
240.9 MB/s (47%)
min: 108.1     avg: 181.2     median: 196.6 (38%)     max: 227.17 MB/s
AS SSD - 4K Read
46.6 MB/s (15%)
min: 23.79     avg: 55.3     median: 58.9 (19%)     max: 71.29 MB/s
AS SSD - Sequential Write
3337 MB/s (29%)
min: 1908.11     avg: 2500     median: 2413.2 (21%)     max: 3282.76 MB/s
AS SSD - Sequential Read
4949 MB/s (39%)
min: 2324.14     avg: 3680     median: 3974.4 (31%)     max: 4140.35 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
262.4 MB/s (24%)
min: 104.9     avg: 155.8     median: 144.4 (13%)     max: 253.6 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
53.2 MB/s (1%)
min: 20.36     avg: 56.4     median: 59.9 (2%)     max: 82.49 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
3393 MB/s (18%)
min: 2162     avg: 2822     median: 2914 (16%)     max: 3163 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
3932 MB/s (42%)
min: 2239     avg: 2851     median: 3033 (32%)     max: 3366 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
837 MB/s (18%)
min: 223.6     avg: 451.3     median: 433 (9%)     max: 808.8 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
939 MB/s (14%)
min: 426.2     avg: 622     median: 660.3 (10%)     max: 883.3 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
3641 MB/s (24%)
min: 2702     avg: 3416     median: 3560 (24%)     max: 3855 MB/s
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
6000 MB/s (32%)
min: 4227     avg: 4735     median: 4820 (26%)     max: 5003 MB/s
DiskSpd - DiskSpd 4k_q1t1_write
261 MB/s (60%)
min: 97.6     avg: 162     median: 148.7 (34%)     max: 261 MB/s
DiskSpd - DiskSpd 4k_q1t1_read
39.1 MB/s (11%)
min: 47.6     avg: 62.2     median: 62.3 (18%)     max: 72.2 MB/s
DiskSpd - DiskSpd 4k_q32t16_write
1802 MB/s (27%)
min: 267     avg: 1103     median: 571.5 (8%)     max: 2871 MB/s
DiskSpd - DiskSpd 4k_q32t16_read
2303 MB/s (28%)
min: 442     avg: 1219     median: 1069 (13%)     max: 1943 MB/s
DiskSpd - DiskSpd seq_write
3503 MB/s (34%)
min: 2405     avg: 2906     median: 2832.5 (27%)     max: 3804 MB/s
DiskSpd - DiskSpd seq_read
3979 MB/s (42%)
min: 2557     avg: 2878     median: 2713 (29%)     max: 4132 MB/s
DiskSpd - DiskSpd seq_q8t1_write
3799 MB/s (26%)
min: 2774     avg: 3403     median: 3456 (24%)     max: 3894 MB/s
DiskSpd - DiskSpd seq_q8t1_read
6342 MB/s (39%)
min: 3717     avg: 4728     median: 4853.5 (30%)     max: 5068 MB/s
DiskSpd - DiskSpd Loop seq_q8t1_read
6268 MB/s (38%)
min: 2347     avg: 3979     median: 4064 (25%)     max: 4933 MB/s
- Range of benchmark values for this graphics card
red legend - Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Average Benchmarks

Kioxia KXG70ZNV512G → 100% n=31

WD PC SN740 512GB SDDPMQD-512G-1101 → 79% n=31

Average of the median scores above. 1 ... This benchmark is not used for the average calculation

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v1.35
log 14. 22:31:30

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 checking url part for id 4050 +0s ... 0s

#2 checking url part for id 3953 +0s ... 0s

#3 redirected to Ajax server, took 1781469090s time from redirect:0 +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Thu, 11 Jun 2026 23:07:42 +0200 +0s ... 0s

#5 composed specs +0.003s ... 0.003s

#6 did output specs +0s ... 0.003s

#7 getting avg benchmarks for device 4050 +0.005s ... 0.008s

#8 got single benchmarks 4050 +0.002s ... 0.01s

#9 getting avg benchmarks for device 3953 +0.003s ... 0.013s

#10 got single benchmarks 3953 +0.007s ... 0.02s

#11 got avg benchmarks for devices +0s ... 0.02s

#12 min, max, avg, median took s +0.059s ... 0.079s

#13 return log +0.319s ... 0.398s

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > HDD/SSD Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2023-07- 1)