And I had said show me the games where you would get this 70 to 80 additional fps from going from 2 way to 3 way. Congratulations on doing that though with a game that could already maintain 144 fps with a single gpu. According to that earlier review though a demanding game like Metro LL where you would actually need more performance, it went down in performance when adding a third card. And all but two games that set up did horrible and even best case was nothing great. And 41% in a benchmark means NOTHING for the games people actually play like I hinted to earlier. So bottom line is that overall, 3 way SLI scales like crap in real games. If I were the OP, I would get 970 two way SLI over 980 two way SLI and certainly over 970 three way SLI.
I already showed you before (look at what I wrote and the ocaholic link) and I already explained you THREE times now about the "70 to 80FPS claim". But you just don't know how to read or you deliberately ignore it, and that's your problem. I stated it several times but you continously ignore it.
I already agreed that Metro Last Light scales awfully compared to Metro 2033 ( just look at old benchmarks even 2 way Sli scaling is worse)
As for you don't give nothing about benchmarks I GET IT - but it's doesn't divert from the fact it is still a representative measurement - also to check that your system is running as it should.
Look at the links I posted and the video from Asus. If a 50 FPS improvement isn't something to consider if you want the very best then I don't know what it is. If you would (can) look longer forward than your nose then you might get to see that 3 way SLi scales better that it has done previously. If you'd care to look through 3 way SLi results from GTX 580 and up you would see an increase, especially in 2560x1440 enviroments. But no you stare blind on one particular review and base your conclusion to that's the general situation. That's why I give damn about reviews only taking few popular games, because I've had 7 years of 3 way SLi experience and 9 years of SLi experience (when not including 3dfx SLi), and I know how the overall picture looks and I know that there are more games then aren't benchmarke but which scale well. In my book anything that scales above 35% minium in 3 way SLi is acceptable, Getting a 20FPS improvement in a game going from 2 to 3 cards is also well worth the deal in my opinion. Others won't probably agree and that fine - but that doesn't mean I'm wrong, and I don't claim they're wrong. It's all about the performance - and how much you are willing to pay for that is up to you
I have several times stated that I agree that 3 way SLi may not be the sensible solution but it's still the best solution if you want maximum performance regardless of scaling and yes even 3x 970 will still beat 2x 980.
Quiting Hardinfo.
"Benchmarking three or four new high-end cards always makes for some pretty special results in synthetic benchmarks like 3DMark. This time it's even more special though. Previous high-end cards could be used in 3-way and 4-way SLI, but that never resulted in a boost in performance. Partly because of the extremely high Ultra HD resolution and Intel's Haswell-E platform that can deliver the data quickly enough, the third and fourth card offer a significant bump in performance this time around. The graph below really says it all:"
Bottom line is that are you willing to pay $$$ extra for XXX more FPS. Scaling or not that's not the point.
If you only want to discuss scaling then 3 way SLi can scale from any where from 20% to 80% depending on the game. And you can always decide in what "light" you want to base your conclusion - only use games that run well on 2 way SLi and claim 3 way SLi is crap, or use games where you know 3 way SLi scales well and claim it's the best. OR you take games from both "camps" and let the reader make up his/her opinion and if their favorite games takes advantage of multiple cards or not. That's why I rarely give a CRAP about the final conclusion in video card reviews because it's so easy to make something look good or bad if you really want it.
But I'm out now. To quote William Blake: "That which can be made explicit to the idiot is not worth my care".
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