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*** AMD "Zen" thread (inc AM4/APU discussion) ***

Btw if your tinkering and worried about owning your OS, i use Veeam Endpoint its totally free, you can create a recovery ISO, i back my rig up to my NAS, and drop an ISO there, just use Rufus to slap it on a USB stick, then should you mash up your OS while tinkering, lob the USB stick in and recover back :)
 
gavinh87 said:
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Fishbait said:
Saw that earlier, had to chuckle at the "Ashes of the benchmark" comment :D

Good result for AMD there.
Click to expand...

It is great news for Ryzen, I imagine the real world end result won't make that big a difference but AMD dangling the best streaming dong is good for the brand and good for us, I'll be ready to upgrade early next year so bring on the competition. :D
 
Let me put everything in perspective with the price also. A 1700 overclocked @4Ghz has the same perf as a 1800X, is cheaper than the 7700K and 1/3 the price of the 6900K.
And delivers.

I rest my case... Looking forward to Computex to see the pricing of the 12/16c before I make my mind though....
 
I've noticed on all these AIDA64 memory benchmarks that the RAM latency seems really high on Ryzen. is it a bug or just the way Ryzen is? I'm on a Haswell system and my RAM latency is about 43ns so nearly half of the above AIDA benchmark.
 
Its to do with the connection between the core modules or CCX's they are linked by what is called an infinity fabric that has a latency penalty.
Tight timings don't have as much effect on Ryzen platform, but bandwidth and speed do a lot.
 
Panos said:
Let me put everything in perspective with the price also. A 1700 overclocked @4Ghz has the same perf as a 1800X, is cheaper than the 7700K and 1/3 the price of the 6900K.
And delivers.

I rest my case... Looking forward to Computex to see the pricing of the 12/16c before I make my mind though....
Click to expand...
Assuming you can get to 4ghz on that OC'd 1700. It isn't guaranteed.
 
Finners said:
I've noticed on all these AIDA64 memory benchmarks that the RAM latency seems really high on Ryzen. is it a bug or just the way Ryzen is? I'm on a Haswell system and my RAM latency is about 43ns so nearly half of the above AIDA benchmark.
Click to expand...

As per TheBiznes explanation, it has to do with the design of Ryzen and the use of CCX modules. Note that using the latest CPU microcode (via bios flash) I saw an improvement when it comes to memory latency (as per their original annoucement).

AIDA 64 Memory latency test: 84.5ns before versus 76.2ns after. Still high but definitely an improvement :)
 
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Spec-Chum said:
New Ryzen Balanced Power Plan for Windows 10: https://community.amd.com/community/gaming/blog/2017/04/06/amd-ryzen-community-update-3
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Installed without problems, Nothing special to report so far.
Only thing is that monitoring software such as HWiNFO, HWMonitor,... do not "see" the frequency goes down when the CPU state changes. As explained in AMD's post it has to do with the Pstates changes now being controlled/override by the CPU directly and not by the Windows scheduler. The tools not having access to that information via the CPU directly they cannot report any changes.
 
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Finners said:
I've noticed on all these AIDA64 memory benchmarks that the RAM latency seems really high on Ryzen. is it a bug or just the way Ryzen is? I'm on a Haswell system and my RAM latency is about 43ns so nearly half of the above AIDA benchmark.
Click to expand...

It comes from the design.
Ryzen has higher latency, but better bandwith compared to the intel CPUs.
 
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