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ADATA Ultimate SU800 512GB vs SanDisk X400 256GB

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Specification Charts

Capacity

Ultimate SU800 512GB 512 GB
X400 256GB 256 GB
Difference: 256 (100%)

Random Read

X400 256GB 93500 IOPS
Ultimate SU800 512GB 85000 IOPS
Difference: 8500 (10%)

Random Write

Ultimate SU800 512GB 85000 IOPS
X400 256GB 60000 IOPS
Difference: 25000 (42%)

Sequential Read

Ultimate SU800 512GB 560 MB/sec
X400 256GB 540 MB/sec
Difference: 20 (4%)

Sequential Write

Ultimate SU800 512GB 520 MB/sec
X400 256GB 520 MB/sec
Difference: 0 (0%)

Endurance

Ultimate SU800 512GB 400 TB
X400 256GB 80 TB
Difference: 320 (400%)

Specifications

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Model Ultimate SU800 512GB X400 256GB
Manufacturer ADATA SanDisk
NAND Micron 32-layer 384Gb 3D TLC NAND TLC NAND
Form Factor 2.5" SATA III 2.5"
Capacity 512 GB 256 GB
Cache N/A MB (N/A) MB
Sequential Read 560 MB/s 540 MB/s
Sequential Write 520 MB/s 520 MB/s
Random Read 85000 IOPS 93500 IOPS
Random Write 85000 IOPS 60000 IOPS
Interface SATA III SATA III 6Gb/s
Controller Silicon Motion SM2258 Marvell 88SS1074
Date Released 2017 2016
Endurance 400 TB 80 TB
Notes 3-Year Warranty Warranty 5 years

Price Comparison

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Ultimate SU800 512GB

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X400 256GB

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