I have sli 970s too, i would put their performance at around the 1070/980ti mark roughly. Taking a look at the statistics, a pair of gtx 970s can produce a 33.3% gain in performance over a single card. Below is a break down of the gta 5 benchmark.
Imo, There's Clearly Not Much Value In Upgrading From A 980Ti Or 970 Sli To A 1080 For £600, So The Next Noticeable Speed Bump Is Either 1070Sli, 1080Ti Or Titannext 3) If Considering Sli, Are The Cards You Are Choosing Good Enough Individually To Still Have Enjoyable Gaming If A Game Does Not Support Sli, Or In The Unlikely Event That One Card Fails.
Comparing fire strike scores on my 970 sli rig, i hit 20,308 on my highest score, yet the 1080 with a comparable build overclocked a max score of just over 20,000. The gtx 970 sli will use about 300w max, 1080 will use 185w max. Sli gtx 970 worth it?
Sli Is Not Perfect And There Are A Few Game Engines That Don't Support It (Like Idtech5 And Unreal Engine 4) But Generally Most Major Releases Have Worked Well.
In this video i show that a single gtx 1080 can beat two gtx 970 gpus in folding@home pdd. Now if you play on a 4k screen, the extra vram will come into play, but you are not seeing a massive advantage. However, compared to a single gtx 970 gpu, the gtx 1070 can offer up to a 40% performance boost.
The Card Should Prevail, Especially In The Lower End Of The Range, Thanks To A Pascal Gpu Processor With 8 Gb Of Gddr5 Vram.
I've been happily playing gta v and witcher 3 at near max settings. However, 970 sli is fine for 1440p otherwise. At 1080p, the 980 ti pushes 86.3 fps against the sli 970 configuration's 81.7fps, granting the single 980 ti card a 5.48% lead.
This Is The First Die Shrink Since The Release Of The Gtx 680 At Which Time The Manufacturing Process Shrunk From 40 Nm Down To 28 Nm.
1% and 0.1% lows are disproportionately worse to the single 980 ti. 1080 fe(not overclocked) is faster than 980 sli, so yes, the 1080 will kick the 970 slis ass while drawing less power, generating less heat and not having sli overhead/compatibility issues So if you kept the 1080 for 4 years vs going with a lower cost 970, that lower cost 970 is actually going to cost you an additional $100 overtime in extra electricity.