ADATA SU655 vs WD Blue

vs
ADATA SU655 WD Blue
2.5-Inch
Form
2.5-Inch
SATA III
Interface
SATA III
480
Storage
500
520
Seq. Read Speed
560
40
Rand. Read Speed
95
75
Rand. Write Speed
84
450
Seq. Write Speed
530
about