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Samsung 850 Evo 500GB vs Western Digital WD Blue 3D NAND SATA SSD 250GB

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Specification Charts

Capacity

850 Evo 500GB 500 GB
WD Blue 3D NAND SATA SSD 250GB 256 GB
Difference: 244 (95%)

Random Read

850 Evo 500GB 98000 IOPS
WD Blue 3D NAND SATA SSD 250GB 95000 IOPS
Difference: 3000 (3%)

Random Write

850 Evo 500GB 90000 IOPS
WD Blue 3D NAND SATA SSD 250GB 81000 IOPS
Difference: 9000 (11%)

Sequential Read

WD Blue 3D NAND SATA SSD 250GB 550 MB/sec
850 Evo 500GB 540 MB/sec
Difference: 10 (2%)

Sequential Write

WD Blue 3D NAND SATA SSD 250GB 525 MB/sec
850 Evo 500GB 520 MB/sec
Difference: 5 (1%)

Endurance

850 Evo 500GB 150 TB
WD Blue 3D NAND SATA SSD 250GB 100 TB
Difference: 50 (50%)

Specifications

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Model 850 Evo 500GB WD Blue 3D NAND SATA SSD 250GB
Manufacturer Samsung Western Digital
NAND Samsung 128Gbit 40nm TLC V-NAND SanDisk 64-layer 3D TLC
Form Factor 2.5" 2.5" SATA III
Capacity 500 GB 256 GB
Cache 512 MB (N/A) MB
Sequential Read 540 MB/s 550 MB/s
Sequential Write 520 MB/s 525 MB/s
Random Read 98000 IOPS 95000 IOPS
Random Write 90000 IOPS 81000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Samsung MGX Marvell 88SS1074
Date Released 2014 2018
Endurance 150 TB 100 TB
Notes 5 Year warranty, Encryption: AES-256, TCG Opal 2.0, IEEE-1667 (eDrive) 3-Year Warranty

Price Comparison

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850 Evo 500GB

Amazon.com

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WD Blue 3D NAND SATA SSD 250GB

Amazon.com

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