Samsung 983 DCT vs Samsung 970 PRO

vs
Samsung 983 DCT Samsung 970 PRO
U.2
Form
M.2
PCIe
Interface
PCIe
1920
Storage
1024
3400
Seq. Read Speed
3500
2200
Seq. Write Speed
2700
580
Rand. Read Speed
500
52
Rand. Write Speed
500
about