CPU Upgrade Advice

Help Request - CPU

TL;DR - for a ultrawide 1440p gamer who already has an OCed 6850k, is there anything on the CPU horizon likely to really improve performance along with a 3080Ti?

For irrelevant reasons, my rig is X99 even though it mostly just games. With ampere looming, I'm making the same assessment as when I added the 2080ti: assuming a similar OC to what I use now (25-30%), is there anything significantly faster out there in terms of CPU for what I do?

While I haven't used AMD before, I'm brand agnostic for the moment (learning more about memory OC differences for AMD could sway me). Pretty price-indifferent, though I probably won't choose to drop more than $1-2k on a component. But even so, it looks like net increase for relevant uses are all likely less than 10% for an average OC of stuff like the 9900K/KS, 10980XE, 3900X, or 3950X.

Obviously for workloads that can use more cores, the difference over a 6850k running at 4.4 all cores would easily justify an upgrade. But I'm not aware of any games likely to benefit in that regard. Am I missing anything? Rig specs below.

RVE10, i7-6850k, 4x8GB@3200 decently tight timings, 2080ti, massive SMA8 open loop cooling for CPU/GPU, 21:9 1440p monitor.

Posted Mar 7, 2020, 2:53 AM UTC

02
-Aeryn-•

x299 is pretty slow for games because of the cache architecture, mesh doesn't handle them anywhere near as well as the ring bus on the 9900k etc. It's more optimized for scaling to lots of cores for for other server-type multithreaded workloads but as a trade off it's much slower for the access patterns typical of CPU-heavy games.

Just the frequency bump from 4.4 to 5.0 is +13.6%, that's more than 10 percent before covering the huge impact of the different cache.

3
ocean-mon•

If you do a manual of and set your llc instead of doing precision boost you can get a 3950x to 4.4ghz to 4.5ghz all core pretty easily which is a pretty big jump from the 4.0 to 4.1ghz it will run under loads that use more than maybe 1 or 2 cores (like games for example which tent to utilize 6 cores) and that's with about a 17% IPC lead on Intel's skylake cores that use ring bus per core (slightly larger against ones using mesh like Intel's XE lineup). For multi core performance it also slightly edges out the 10980xe (except in task that are memory bandwidth limited but for those you should consider tr or epyc anyways).

1
MythTFLFan29•

PM sent regarding S3 from different thread. Thanks!

1