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

kitfit1 said:
I have only read anything about the laptop cpu's in that link, so i'm sort of hopeful that they may have the same socket as our desktop Ryzen's ?
I well remember how we all raved about the socket A xp1700's, they clocked very well. But when AMD released the Mobile version's it was like us clockers had died and gone to heaven. I hope they can repeat the same thing this time round.
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If they are the APUs they will have one CCX and should in theory be available for desktops,if past history is any indication.
 
jigger said:
Any news on the graphics core count of the APU's? I read they will most likely be Vega based.
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Apparently its 704 shaders clocked at 800MHZ if the latest rumours are to be believed.

Edit!!

This is the last thing I saw about the specs before the AMD event:

http://wccftech.com/amd-raven-ridge-ryzen-apu-vega-gpu-leak/

So 4MB of L3 cache,ie,around half that per CCX of the desktop chips it seems,which is still much better than previous AMD mobile chips which had no L3 cache at all.

Chuk_Chuk said:
Interesting rumor I saw over on reddit (http://www.bitsandchips.it/52-english-news/8372-rumor-crazy-high-yields-for-ryzen-dies-over-80) stating that AMD are seeing 80% of the dies on a wafer being fully functional 8 core chips.
If its true we might have a long wait before we see any of the lower core count Threadripper and EPYC CPU's.
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Ryzen is only 192mm2 in size,so is actually quite a smallish CPU by AMD standards - their APUs and the old desktop PD chips are all significant larger at 250.4mm2 and 315mm2 respectively.
 
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jigger said:
Or we might see a lot of unlockable lower binned chips.
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If it get to it, they will fuse off the cores to get the right core count.. Kind of funny how the most modular chip AMD makes also ends up having really good yields.

CAT-THE-FIFTH said:
Ryzen is only 192mm2 in size,so is actually quite a smallish CPU by AMD standards - their APUs and the old desktop PD chips are all significant larger at 250.4mm2 and 315mm2 respectively.
Click to expand...

Just did some dirty maths and that puts it at 294 Ryzen 7 per wafer. with a street value of at least £88,200.
 
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CAT-THE-FIFTH said:
Apparently its 704 shaders clocked at 800MHZ if the latest rumours are to be believed.

Edit!!

This is the last thing I saw about the specs before the AMD event:

http://wccftech.com/amd-raven-ridge-ryzen-apu-vega-gpu-leak/

So 4MB of L3 cache,ie,around half that per CCX of the desktop chips it seems,which is still much better than previous AMD mobile chips which had no L3 cache at all.



Ryzen is only 192mm2 in size,so is actually quite a smallish CPU by AMD standards - their APUs and the old desktop PD chips are all significant larger at 250.4mm2 and 315mm2 respectively.
Click to expand...

We could be looking at close to RX 460 then. These APU's could be proper power houses in a laptop.
 
Would I be mad to switch from an i7 6700k @ 4.6GHz to a Ryzen 7 1700? I've started running more things in the background and have noticed frame drops on games like Overwatch when a youtube video is playing. It'll be paired with a 980ti @ 1450mhz. When I game it's on ultra settings at 1080p.
 
AiiR said:
Would I be mad to switch from an i7 6700k @ 4.6GHz to a Ryzen 7 1700? I've started running more things in the background and have noticed frame drops on games like Overwatch when a youtube video is playing. It'll be paired with a 980ti @ 1450mhz. When I game it's on ultra settings at 1080p.
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Probably. Ryzen's a better place to be and the R7 1700 is hands down the best bang for buck CPU, but a 4.6Ghz Skylake is still pretty solid. If you already have Samsung B memory you'd be looking at £290 for a 1700 and £150 for a motherboard. If you could get £300 for the 6700K and board you'd be looking at £160~ plus a possible OS to move to AM4.

I've decided to stick with my Skylake i7 for the time being with everything older than that now on AM4. I'd probably just close youtube down when playing and save the cash. But that said a RyzenRT is looking pretty tempting.
 
Has anyone heard any news of the May AGESA update? It seems to be very quiet over half way through May..

From this article published yesterday it sounds like they're still working on it and heven't finalised it to motherboard manufacturers yet: https://www.forbes.com/sites/antony...performance-and-ryzen-3s-launch/#5ff43185ff43

"The previous May update had this in mind and we continue to focus on this with the update we have planned for later this month and indeed throughout the rest of this year. It’s not just May 2017 and then we’re done though. We’re going to be increasing performance in many different ways and one of those is increasing memory compatibility – we’re also working with memory vendors as well as application and game developers."

Its quite an interesting interview with game performance and mini itx boards also discussed.
 
nkuk said:
Has anyone heard any news of the May AGESA update? It seems to be very quiet over half way through May..

From this article published yesterday it sounds like they're still working on it and heven't finalised it to motherboard manufacturers yet: https://www.forbes.com/sites/antony...performance-and-ryzen-3s-launch/#5ff43185ff43

"The previous May update had this in mind and we continue to focus on this with the update we have planned for later this month and indeed throughout the rest of this year. It’s not just May 2017 and then we’re done though. We’re going to be increasing performance in many different ways and one of those is increasing memory compatibility – we’re also working with memory vendors as well as application and game developers."

Its quite an interesting interview with game performance and mini itx boards also discussed.
Click to expand...

There were two May AGESAs, 1.0.0.5, which is adding only option to manually tweak more memory timings, this one was released already (Gigabyte). Asus decided to skip BIOS release based on this AGESA.

1.0.0.6 has more memory dividers (rumour says up to 4000), for this one it looks like AMD actually gave MB manufacturers date (end of May). They can't release it sooner without permission even though they have BIOS ready (ASUS)

At least that's how I understand all the recent msgs about "May AGESA" :D
 
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