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*** AMD "Zen 4" thread (inc AM5/APU discussion) ***

DDR5 6000MT/s 16gb modules are just too expensive at the moment (> £200, for a kit, except for modules with Samsung ICs), also the stock levels don't seem good.

Wondering if I should wait a bit more, before buying?
 
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Poor pricing all round, only 13600k stands out seen at £338.25 on another retailer earlier but sold out now and can go with ddr4 or ddr5 option

No rush for me so will let the dust settle but if need to do build now it's difficult to justify what to go for

I feel in 3 - 6 months prices will drop especially ddr5 and boards
 
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Please link when back in the house please dude.

You're on an Asus board Matt, start with this:

Try 6000 1:1:1 first, then see if you can work up to 6200 (IF will be running at 2133 at 6200). That's about the limit at 1:1:1 and you're into DR after that if you start dropping ratio's.
IF will fail before frequency does, Hynix M are good for 6400+. You just can't abuse the frequency while being IF limited.
 
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You're on an Asus board Matt, start with this:

Try 6000 1:1:1 first, then see if you can work up to 6200 (IF will be running at 2133 at 6200). That's about the limit at 1:1:1 and you're into DR after that if you start dropping ratio's.
IF will fail before frequency does, Hynix M are good for 6400+. You just can't abuse the frequency while being IF limited.
Already running that but need to aim for 6200, will give that a watch tomorrow. Pretty sure my sample does not like higher than 2100 zmhz sadly.
 
hehe, I bought some DDR5 Kingston FURY Renegade 16GBx2 kit, the website I bought it off said they had 1 left in stock.

Then immediately after the order, it's in stock again and they automatically put the price up, by about £30...

Sneaky. It does demonstrate though that there is a big problem with DDR5 stock.

Also, discount codes that very rarely actually work.

Get the impression IT retailers are struggling atm.
 
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Found this interesting, I know it's just one game but really making me question what the point of expensive RAM is.

image.png
 
making me question what the point of expensive RAM is.
I'm not sure either.

It does seem to improve minimum FPS, at least when tested on Alder Lake systems.

It helps the 12700K and 12900K to keep up and in some cases, be a bit ahead of the 5800X3D.

Average-p.webp


There's also the Igor's Lab article, showing differences in gaming on Zen 4:
https://www.igorslab.de/amd-ryzen-7...praxistest-mit-benchmarks-und-empfehlungen/9/

There's a much bigger gap between DDR5 @4800 MT/s and 6400 MT/s at 1080p.
 
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I'm thinking of buying this motherboard:
Asrock B650M PG RIPTIDE

But it looks like it only supports a particular type of PCIe5 NVME SSD:
1 x Blazing M.2 Socket (M2_1, Key M), supports type 2260/2280 PCIe Gen5x4 (128 Gb/s) mode
 
Already running that but need to aim for 6200, will give that a watch tomorrow. Pretty sure my sample does not like higher than 2100 zmhz sadly.


That's another one worth watching while you're trying to get your head round the nuances of DDR5, it's still relevant as the same mem IC's are still in circulation now.
With Zen4 being hamstrung with the IF limit, pointless watching / reading about pushing frequency when your focus is all about tightening.
Some good news being ofc, you don't need stupidly priced kits to get there with Zen 4 unlike ADL / RPL which is all about frequency.
 
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