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Zen sporadic Performance in reviews due to Motherboards

Martini1991 said:
At least this time the underlying CPU's solid though.

If the issues are fixed for the hex and quad core, then unless they redo the octo core results, it'll probably look weird.
Either way, besides the AMD launch issues (Lets face it, there's a few) this is a cracking chip.
Click to expand...

It worries me though - I have an IB Core i7 and in some games I am CPU limited. Although going with another Intel chip would give me the biggest gains in those games,I was hoping AMD would still be an improvement(but a bit less than Intel) but I would have more MT power for the future(was looking at the 6C versions not the 8C). However,looking at the reviews IPC can be a bit below IB level at times,so it won't be an upgrade for me! :( This is why I am hoping its a combination of regressions due to SMT under Windows 10 and buggy BIOS issues,dropping performance otherwise I might as just well wait for Ryzen 2 then.
 
Well one has to assume that neither Windows 7 nor Windows 10 understand the Ryzen architecture but it could be that Windows 7 just happens to make a better guess. Or Windows 10 is just pants. :p
 
Windows 7 and 10 have different behaviour for stuff like core parking and the way threads are moved about, etc. (IIRC 7 tends to leave stuff like that alone more than 10 which thinks it knows best) - in 7 you have some options to manually control it which might be having an impact depending on what settings the tester happened to be using. IIRC in 10 you are basically stuck with a "balanced" default configuration that is better than Windows 7 potentially out the box but not necessarily as good as a tweaked 7.

For games where it does have effect though the biggest difference is often not necessarily the raw framerate where the difference usually is marginal but the impact on overall smoothness and that isn't necessarily intuitive - its possible in that testing scenario is way smoother on 10 despite lower framerate or it could be the reverse.
 
Until the BIOS updates, drivers and OS patches come through properly hard to really tell. Only once things settle down can you really decide if it is of any benefit over any Intel equivalent.

The main thing for my needs is the 1700 with 8 cores if only a little behind Intel on a single core basis and can run faster RAM is a good buy.
 
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