Got a message from a gentleman who found this thread on google, so I thought I'd necro it for those that do the same:
I ended up upgrading to a Ryzen 5 2600 and couldn't be happier. The i5 4690 was pegged out at 100% usage, causing keyboard strokes to be missed sometimes. The Ryzen 5 2600 sits at ~30% usage, even at well over 200 fps average.
Notes:
-180fps minimum in Overwatch with the same settings and graphics card (980Ti) as before. So more than enough for 144hz gaming. (even while streaming)
-This is with crappy DDR4-2133, not even matched sticks. No need for fancy ram to get 144hz. (though you can get even higher with better ram)
- Relevant to the thread, I do notice that Overwatch routinely uses six or more threads. So with the i5, it was very likely that it simply did not have the cores/threads throughput to keep up. So
in theory an upgrade to an i7 4770k would have sufficed. However, I cannot confirm nor deny this. Seems a high thread count is requisite for high FPS Overwatch. i7's and Ryzens only need apply. (though maybe the later generation i5s with six cores would probably suffice. Perhaps someone can test.)
So in short, this is one of those heretofore rare examples of games that love high thread count. As a result, Ryzen really does shine. If Overwatch is your game, and you need 144hz, a Ryzen setup will not disappoint.
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That is right