i have problem with rx 580 crossfire
single gpu performance 70-90 ing gta5
switch to crosfire i got 60-70 fps
so, i have 750watt powersuply and i have i5 4670
its, bodleneck or low psu?
or problem second 16x?
First of all I advice you visit INFORMATION REQUIRED WHEN POSTING A QUESTION
single gpu performance 70-90 ing gta5switch to crosfire i got 60-70 fps
Are the GTA5 Developers offering Crossfire or Multi-GPU support currently?
My system with Sapphire Pulse RX 580 8Gb 11265-05 x 2 and Ryzen 7 2700X is powered by Corsair RM750X and all works as expected, about the i5-4670 I advice you visit https://thebottlenecker.com/calculator (I'm not aware about the effectiveness of this calculator) but possibly you're right about the bottleneck.
The performance of GPU x16 vs x8 is not the reason for the low FPS rate in a Multi-GPU system, you can find information about this on the internet.
Maybe when you provide more information about your system and what steps have you performed to configure your game though CrossFire could receive more answers, tips and comments from other users
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