GTX970's and 4K

[Dog]

I've just got back into the PC scene again after years on consoles.

I have one KFA2 GeForce GTX 970 OC Silent "Infin8 Black Edition" GPU currently and am thinking of getting a second to ensure I can max out the settings in games. I like the look of the card and looks the part in my rig

I'm still kinda catching up with the technology so I'm not too savvy with the in's and outs of getting the best performance out of modern hardware.

I'm aware of the VRAM issues and have not as yet suffered any coil whine, I want to know is it going to be worth getting a second card and will it give me the performance I'm looking for? OR am I going to be better cutting my losses and changing cards completely? - Bare in mind my wife is already preparing to chop my nuts off for what I've spent in the last 2 months on the rig.

I have an EVGA 750W PSU, will that be sufficient? running an overclocked 8350 on a sabretooth 990FX rev 2 mobo

Cheers

Rich

 

[Gregster]

A second will be sweet for 4K. The odd game might well have some VRAM issues (going over 4GB) if you want to max settings but notching down AA will help

 

[JediFragger]

The odd game might well have some VRAM issues (going over 3.5GB, then it's a stutter-fest) if you want to max settings but notching down AA will help

Fixed

 

[Dog]

A second will be sweet for 4K. The odd game might well have some VRAM issues (going over 4GB) if you want to max settings but notching down AA will help

I understand that in SLI the second card just helps with the processing, with what you're saying does the VRAM on the secondary card not come into effect assisting with the overall VRAM?

Rich

 

[triss]

I understand that in SLI the second card just helps with the processing, with what you're saying does the VRAM on the secondary card not come into effect assisting with the overall VRAM?

Rich

Correct the Vram at present doesnt add up, so with 2 or 3 4gb cards you still only have 4GB usable

 

[Shiari]

I understand that in SLI the second card just helps with the processing, with what you're saying does the VRAM on the secondary card not come into effect assisting with the overall VRAM?

Rich

Nope, that memory doesn't stack, nor will DX12's unified GPU architecture solve that (not enough bandwidth between cards).

 

[Kaapstad]

In a strange way the 970s should do better at 2160p as people won't be trying to max the living daylights out of them on Shadow of Mordor and then wondering why they get stutter.

 

[Dog]

Cheers guys, and the PSU - Sufficient for SLI?

Rich

 

[Geeman1979]

Yup! Will be fine.

 

[passey89]

970's sli will be nice

you'll only get vram issues on badly ported console games tbh.

Most pc games ive tried as at 4K as long as you turn AA down (you dont need it at 4K) VRAM isnt too bad.

Evolve, mordor, etc no matter what at 4K between ultra high & low i only get 5 / 10 fps difference and VRAM not much change at all