ADATA Ultimate SU650 vs WD Blue

vs
ADATA Ultimate SU650 WD Blue
2.5-Inch
Form
2.5-Inch
SATA III
Interface
SATA III
256
Storage
250
550
Seq. Read Speed
540
500
Seq. Write Speed
500
80
Rand. Read Speed
97
60
Rand. Write Speed
79
about