[SOLVED] Intel Core i9-9900K with NVlink

SickBumblebee

Honorable
Dec 13, 2012
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10,510
Looking to get myself hooked up with a decent build for 4k gaming. I am really liking the idea of 2x RTX 2080's running in NVlink. I am just wondering what CPU to use to get the best frames possible. I have been advised to go with the Intel 9900K, I was wondering what the community would think?

Please bear in mind this setup will be used for gaming exclusively.

Thanks!
 
Solution
To really benefit from 2x2080 you need a cpu with 40/44 pcie lanes (7900x, 7920x,7960x or 7980xe) and x299 motherboard. Or you get a single 2080 ti and a 9700k/8600k which i really recommend to go this route.
4k gaming, the 9900k is a huge waste - it's not even a viable gaming cpu, IMO. That's a professional level cpu with mainstream specs.
You can get a 2700x for @$200-$300 bucks cheaper.
Heck, 9700k, 8700k, and 2600x are also better options than that overpriced monster.
Since Intel is still the top dog at single core performance, I'd suggest an 8700k. 6c/12t vs 9700ks 8c/8t.
18 vs 16. Well, it's not THAT cut and dry... but I'm saying that the 8700k doesn't really lose to the new 9th gen, except 9900k - if doing professional work.
 
Your welcome, 2x2080 ti can feed a lot of data and a mainstream cpu (8700k,9900K) has a total of 16 pcie lanes, when using 2 gpus those 16 lanes must be splitted into 2 so each card will run at 8x (8 lanes), many games started to feel a difference between 8x and 16x on 1080 ti, i presume on 2080 ti the difference would be even greater). A cpu with 40/44 lanes can run each card at maximum speed and that is 16 lanes on each card, that means 32 lanes in total which is a lot of bandwidth and should be enought for 2 rtx 2080 ti.