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

g67575 said:
It's official, 7700X is the most interesting CPU in the lineup :)

www.techpowerup.com

What's the most interesting Ryzen 7000 CPU?

With Ryzen 7000 reviews out, we're wondering, which of the four models would you buy?
www.techpowerup.com www.techpowerup.com

My take is that AMD needs a single CCD design for future CPUs, so that performance scales better over 8 cores.
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Or AMD can do some background work like Intel and make windows see the best CCX as a P core and the worse CCX as an E core - and thereby forcing game threads to operate only on the best CCX and background tasks on the ******** one.

What hurts performance in games is game threads moving across the two CCX's and incurring the latency penalty and there should be a better way, like forcing games to automatically stick to one CCX
 
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According to MLID, Microcentre has experienced a large boost to sales of the Zen4 since it started giving free away DDR5 RAM with every CPU
 
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g67575 said:
Cheers for putting these modules up:
www.overclockers.co.uk

TeamGroup Vulcan 32GB (2X16GB) DDR5 PC5-44800C36 5600MHz Dual Channel Kit - Black (FLBD532G5600HC36BDC01)

Order TeamGroup Vulcan 32GB (2X16GB) DDR5 PC5-44800C36 5600MHz Dual Channel Kit - Black (FLBD532G5600HC36BDC01) now online and benefit from fast delivery.
www.overclockers.co.uk www.overclockers.co.uk

Any chance of a price cut?
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Nope, when stock lands we might be able to tweak it if the pound strengthens but were in line with USD price for the kit at $149 / £149 exc. VAT. Our cost is $140 to make it absolutely crystal clear, there is not a whole lot of margin to play with.

$140 / 1.10 is £127 cost plus shipping and logistics, if our rate improves when stock lands we will tweak price but the price is only ever going to change at most by £10 whilst were paying $140. I also pointed out to TeamGroup NewEgg and Amazon US were $149 and their response was they buy a lot more and your getting the same cost price.

So were making 15% based on current landed cost and the pound can go either way. So not that much room I am afraid for discounts, not until TeamGroup and other memory manufacturers start dropping DDR5 pricing but right now its a bit of a bum fight trying to get stock. Once supply improves prices will drop for sure!
 
COD4000 said:
So can you still technically load XMP profiles on AM5 if you get one of the kits without an EXPO profile?
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None EXPO kits work but require manually setting up and some reports even then they are not running at set speeds correctly, EXPO kits work out the box without issue on AM5. Our EXPO range has increased a lot now, 6000MHz C30 kits due this week. :)
 
Gibbo said:
None EXPO kits work but require manually setting up and some reports even then they are not running at set speeds correctly, EXPO kits work out the box without issue on AM5. Our EXPO range has increased a lot now, 6000MHz C30 kits due this week. :)
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This. Also an EXPO kit might have two or more profiles. For my kit EXPO profile 1 sets the primary timings, however profile 2 sets some of the secondary timings too. I’ve not really spent much time tuning memory yet, still dialling in curve optimiser as you can definitely improve clock speed and performance with negative offsets.
 
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Gibbo said:
So were making 15% based on current landed cost and the pound can go either way. So not that much room I am afraid for discounts, not until TeamGroup and other memory manufacturers start dropping DDR5 pricing but right now its a bit of a bum fight trying to get stock. Once supply improves prices will drop for sure!
Click to expand...
I appreciate your candour :)
 
COD4000 said:
So can you still technically load XMP profiles on AM5 if you get one of the kits without an EXPO profile?
Click to expand...
You sure can load XMP Profiles on non EXPO DDR5 kits on AM5 Motherboard. Asrock X670E Steel Legend

My INTEL XMP 5600 Kit I been running on default voltage since a week fine at CL36 6200 and FCLK at 2200.

This is what it looks like in the BIOS




 
Looks like ASRock have got the XMP profiles sorted.

Wonder if the same is true for other board manufacturers?

@gerardfraser - have you tried bumping up the RAM frequency to 6400, at slightly higher RAM voltages?

EDIT - just noticed those are Samsung modules - can Samsung modules handle higher frequencies?
 
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g67575 said:
Looks like ASRock have got the XMP profiles sorted.

Wonder if the same is true for other board manufacturers?

@gerardfraser - have you tried bumping up the RAM frequency to 6400, at slightly higher RAM voltages?

EDIT - just noticed those are Samsung modules - can Samsung modules handle higher frequencies?
Click to expand...
Yes they can run higher,I just have not even started on the Ram timings or speed yet.

DDR5 6400 and 2200FCLK on default voltage on DDR5 5600 ram
 
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