Gtx 1080 sli low gpu usage

EoKc

Prominent
Feb 27, 2017
20
0
510
Hi guys my computer spec: Cpu:i76800K 3.6ghz
Ram: 16 GB DDR4
Motherboard: msi x99a gaming carbon
GPU: 2x zotac amp edition 1080
PSU: thermaltake 1050watt
and ı have 2k monitor. But when ı play gta 5 my gpu usage like %40-60 and ı get low fps because of this ı think anyone have advice for this problem?
 

EoKc

Prominent
Feb 27, 2017
20
0
510


Yes they are connected with hb bridges and sli config enabled