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Samsung 850 Evo 250GB vs SanDisk X400 128GB

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Specification Charts

Capacity

850 Evo 250GB 250 GB
X400 128GB 128 GB
Difference: 122 (95%)

Random Read

850 Evo 250GB 97000 IOPS
X400 128GB 93500 IOPS
Difference: 3500 (4%)

Random Write

850 Evo 250GB 88000 IOPS
X400 128GB 60000 IOPS
Difference: 28000 (47%)

Sequential Read

850 Evo 250GB 540 MB/sec
X400 128GB 540 MB/sec
Difference: 0 (0%)

Sequential Write

850 Evo 250GB 520 MB/sec
X400 128GB 340 MB/sec
Difference: 180 (53%)

Endurance

850 Evo 250GB 75 TB
X400 128GB 72 TB
Difference: 3 (4%)

Price Comparison

850 Evo 250GB

X400 128GB

Specifications

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Model 850 Evo 250GB X400 128GB
Manufacturer Samsung SanDisk
NAND Samsung 128Gbit 40nm TLC V-NAND TLC NAND
Form Factor 2.5" 2.5"
Capacity 250 GB 128 GB
Cache 512 MB (N/A) MB
Sequential Read 540 MB/s 540 MB/s
Sequential Write 520 MB/s 340 MB/s
Random Read 97000 IOPS 93500 IOPS
Random Write 88000 IOPS 60000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Samsung MGX Marvell 88SS1074
Date Released 2014 2016
Endurance 75 TB 72 TB
Notes 5 Year warranty, Encryption: AES-256, TCG Opal 2.0, IEEE-1667 (eDrive) Warranty 5 years

850 Evo 250GB

X400 128GB