Compare any two Solid State Drives:


Samsung 850 Evo 120GB vs SanDisk Ultra II 240GB

Display Graphs

Hide Graphs

Specification Charts


Ultra II 240GB 240 GB
850 Evo 120GB 120 GB
Difference: 120 (100%)

Random Read

850 Evo 120GB 94000 IOPS
Ultra II 240GB 91000 IOPS
Difference: 3000 (3%)

Random Write

850 Evo 120GB 88000 IOPS
Ultra II 240GB 83000 IOPS
Difference: 5000 (6%)

Sequential Read

Ultra II 240GB 550 MB/sec
850 Evo 120GB 540 MB/sec
Difference: 10 (2%)

Sequential Write

850 Evo 120GB 520 MB/sec
Ultra II 240GB 500 MB/sec
Difference: 20 (4%)


Ultra II 240GB 109 TB
850 Evo 120GB 75 TB
Difference: 34 (45%)


Display Specifications

Hide Specifications

Model 850 Evo 120GB Ultra II 240GB
Manufacturer Samsung SanDisk
NAND Samsung 128Gbit 40nm TLC V-NAND SanDisk 2nd Gen 128Gbit 19nm TLC
Form Factor 2.5" 2.5"
Capacity 120 GB 240 GB
Cache 256 MB 10240 MB
Sequential Read 540 MB/s 550 MB/s
Sequential Write 520 MB/s 500 MB/s
Random Read 94000 IOPS 91000 IOPS
Random Write 88000 IOPS 83000 IOPS
Interface SATA III 6Gb/s SATA III 6Gb/s
Controller Samsung MGX Marvell 88SS9190
Date Released 2014 2014
Endurance 75 TB 109 TB
Notes 5 Year warranty, Encryption: AES-256, TCG Opal 2.0, IEEE-1667 (eDrive) 3 Year Warranty

Price Comparison

Display Prices

Hide Prices

850 Evo 120GB

Check prices at:

Ultra II 240GB

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.