Should I Upgrade?

[Mikarri]

This is my current custom build:

i5-4690 @ 3.50Ghz
16Gb G.Skill Ripjaws DDR3 1600
2 Asus STRIX GTX980 in SLI
Samsung 250Gb SSD for OS and games, 1Tb mechanical for storage
CX750M PSU

I'm wondering if I'd see any improvement in upgrading to the GTX 1080.

 

[IDProG]

There is an improvement in 4K and games that don't support SLI, and it's worth it if you sell the GTX 980s, but it's not if you want to store at least one of the GTX 980s.

 

[Ryan_78]

Not really. If you don't need the extra VRAM, the performance is minimal difference.
960 SLI is like a 980, 970sli more liKe Titan or 980ti.
980 SLI is a better Titan, so 1080
Anyways I don't see why you should. Top of line CPU, an i5 is middle of top end, and then dual 980s would do so much without a upgrade.
Only in SLI unoptimized games should the 1080 be better

And at higher resolutions where the extra VRAM is needed.

But I reccomemd a new PSU. CX are bad PSUs and I reccomemd a higher quality unit, a tier one or two from PSU tier list
http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html

 

[Mikarri]

So I'm ok for a while with the 980 SLI. That was the plan. But the PSU and the CPU should be upgraded? I'll look into that. Any suggestions for the CPU?

 

[Embra]

PSU first, CPU second. If you are happy with sli, your two 980's are still very potent.