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

I have been keeping an eye out, but not seen anything - Has anything else on the 2400g slipped out in the last few days? Only 2 weeks to wait till launch but finally have the pennies to finish a build with this in so keen to see what it looks like.

<Edit> I think it is pretty interesting that the 1400 is getting a 500Mhz boost up to 3.9 in the 2400g variant. This is on a more mature 14nm platform and suggest they are getting that easily now.

To me it points at higher clocks on the 2600 than shown in the engineering sample leak. It simply doesn't make sense that the 2400 on 14nm should have a clock advantage over the 2600 on 12nm+. We also know that previously the engineering sample leaks were well down on launch speeds. We have three months to wait but I suspect we are going to see a full fat Ryzen 5 variant with a stock boost of 4.3-4.5Ghz and a 2800x at 4.4-4.6Ghz.
 
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Beren said:
I have been keeping an eye out, but not seen anything - Has anything else on the 2400g slipped out in the last few days? Only 2 weeks to wait till launch but finally have the pennies to finish a build with this in so keen to see what it looks like.
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I suspect the 2400G IGP will be more limited by memory bandwidth than the one in the 2200G. I am more interested to see if the single CCX helps in certain games,or whether the reduction in L3 cache has an effect.

Edit!!

IIRC,apparently there were samples of the 2400G overclocked to around 4.2GHZ which were spotted at one of the trade events.
 
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TBH I am more worried about the GPU overclocking and what limitations RAM speed has on graphics than the CPU overclocking. I will be pushing my ram and the GPU as far as I can - but I think at 3.9 the CPU is going to be a long way from the limiting factor for gaming.

From what I hear there is a reasonable amount of headroom on the GPU cores - which is going to give me a lot to tune and keep me happy. My overclocking soul will also be happy if it means I can play more games at good quality in 1080p.
 
Beren said:
TBH I am more worried about the GPU overclocking and what limitations RAM speed has on graphics than the CPU overclocking. I will be pushing my ram and the GPU as far as I can - but I think at 3.9 the CPU is going to be a long way from the limiting factor for gaming.

From what I hear there is a reasonable amount of headroom on the GPU cores - which is going to give me a lot to tune and keep me happy. My overclocking soul will also be happy if it means I can play more games at good quality in 1080p.
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https://www.forbes.com/sites/antony...chipset-threadripper-and-apus-inbound-too/2/#

Apparently the IGP can be overclocked a decent amount.

4lQlRyi.png


https://www.amd.com/en/products/apu/amd-ryzen-5-2400g

So AMD showed the IGP can be overclocked from 1250MHZ to 1675MHZ and they managed to run 3600MHZ RAM on it instead of the maximum rated 2933MHZ.

So looking at those figures at least 1500MHZ must be reasonably easily to achieve with sufficient cooling.
 
Beren said:
I have been keeping an eye out, but not seen anything - Has anything else on the 2400g slipped out in the last few days? Only 2 weeks to wait till launch but finally have the pennies to finish a build with this in so keen to see what it looks like.

<Edit> I think it is pretty interesting that the 1400 is getting a 500Mhz boost up to 3.9 in the 2400g variant. This is on a more mature 14nm platform and suggest they are getting that easily now.
Click to expand...
The launch R7 1800X boosted up to 4.0 GHz and has XFR of 4.1 GHz. The R5 2400G boosting that high might indicate higher clock ceilings, it might indicate that their process is more mature resulting in a higher yield of top bin chips, or it might just indicate that it's their flagship APU and thus is highly binned and has high clocks.

Beren said:
To me it points at higher clocks on the 2600 than shown in the engineering sample leak. It simply doesn't make sense that the 2400 on 14nm should have a clock advantage over the 2600 on 12nm+. We also know that previously the engineering sample leaks were well down on launch speeds. We have three months to wait but I suspect we are going to see a full fat Ryzen 5 variant with a stock boost of 4.3-4.5Ghz and a 2800x at 4.4-4.6Ghz.
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Definitely not getting my hopes that high! The R5 2400G could have higher clocks than the R5 2600 given it's a separate line (in a sense) but I wouldn't expect it to have higher clocks than the R5 2600X.

CAT-THE-FIFTH said:
https://www.forbes.com/sites/antony...chipset-threadripper-and-apus-inbound-too/2/#

So AMD showed the IGP can be overclocked from 1250MHZ to 1675MHZ and they managed to run 3600MHZ RAM on it instead of the maximum rated 2933MHZ.
Click to expand...
The fact that they can run 3600 MHz RAM at all is great news.
 
Rossi~ said:
Take this with a pinch of salt. Sure 3600MHz, but at what timings and voltages are being used?
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True.

CAT-THE-FIFTH said:
AFAIK,isn't 3DMark also very dependent on the CPU?? I am more interested in how well it can run games like OW,for example.
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I thought AMD's own figures said OW was ~50 fps at 1080p?

4K8KW10 said:
Faster than Radeon RX 550. https://www.futuremark.com/hardware/gpu/AMD+Radeon+RX+550/review
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Yep but factor in the cost of great cooling and very fast RAM and it might actually be cheaper to buy an RX 550. :p
 
Looks very promising, though all these leaks need salt - eteknix have the 2400g on a 12nm process which I was pretty certain is wrong, I am also concerned that the pricing they are repowting is north of the RRP and I hope that is going to change on launch. A graphics score of 5000 before any tweaking is very nice if that translates through to real world performance.
 
Beren said:
Looks very promising, though all these leaks need salt - eteknix have the 2400g on a 12nm process which I was pretty certain is wrong, I am also concerned that the pricing they are repowting is north of the RRP and I hope that is going to change on launch. A graphics score of 5000 before any tweaking is very nice if that translates through to real world performance.
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I've also seen an article claiming Raven Ridge is 12 nm but every other source (there aren't many) says it's 14 nm. So much misinformation out there. Considering Pinnacle Ridge is 12 nm and won't be out for another two months, I'm almost certain Raven Ridge is 14 nm.
 
DragonQ said:
I've also seen an article claiming Raven Ridge is 12 nm but every other source (there aren't many) says it's 14 nm. So much misinformation out there. Considering Pinnacle Ridge is 12 nm and won't be out for another two months, I'm almost certain Raven Ridge is 14 nm.
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Zen 14nm, RR 14nm+, Zen+ "12nm". This from the AMD guy. If there is anything different from node side Zen vs RR we dont know, maeby he meant RR having some updated features from Zen. On cinebench 2400G was tad slower than 1500X even with higher clocks. That is due to having smaller cache what in itself should help it clock higher. Zen+ looks pretty good if they could get 200mhz more from 6 core 65w part.
 
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