Cannot Update DDR3 Graphics card using DDR4 mobo

Vlux__

Prominent
Feb 15, 2017
12
0
510
My specs is
i3-6100
GT 730 ddr3 2 gb
4Gb ram ddr4

oh and whenever I move my mouse fast, it moves crazy its like being inverted and not being inverted at the same time. so help pls
 

Vlux__

Prominent
Feb 15, 2017
12
0
510


Trying to Update my Graphics card not my ram. Will upgrading to a 1060 GTX solve my mouse problems as well as the update issue?? I think it's because i have an old Graphics card that's causing the bug. Idk