Samsung 850 PRO vs WD Blue

vs
Samsung 850 PRO WD Blue
2.5-Inch
Form
2.5-Inch
SATA III
Interface
SATA III
256
Storage
1000
550
Seq. Read Speed
560
100
Rand. Read Speed
95
90
Rand. Write Speed
84
520
Seq. Write Speed
530
about