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3900 and the 6900 XT sitting on a platter

Caporegime
Joined
13 May 2003
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33,957
Location
Warwickshire
It's cheaper till you add a new AMD cpu and motherboard.
No one knows if it's faster till the real reviews come out.
The RT will be lower on the AMD card.
You don't need a new AMD CPU and motherboard for it to be just as fast as a card costing 50% more.

If someone wants to pay another £600 for better RT then fair enough.
 
Soldato
Joined
17 Jul 2007
Posts
24,529
Location
Solihull-Florida
You don't need a new AMD CPU and motherboard for it to be just as fast as a card costing 50% more.

If someone wants to pay another £600 for better RT then fair enough.


Wooooooow there.

AMD said you need the 5000 cpu and mother to get the full use of the card.
Show me where I can get the top AMD CPU and a good 5000 Motherboard for £600.

Gamers Nexus will put the card in an Intel computer to see what really happens.
 
Soldato
Joined
22 Oct 2008
Posts
11,491
Location
Lisburn, Northern Ireland
Wooooooow there.

AMD said you need the 5000 cpu and mother to get the full use of the card.
Show me where I can get the top AMD CPU and a good 5000 Motherboard for £600.

Gamers Nexus will put the card in an Intel computer to see what really happens.

£290 for 5600X cpu
£160 for for B550
=£450

You don't need the top AMD CPU for it to work


EDIT : Hell you can even squeeze in 32 gig of 3600 DDR4 RAM for around the £150 spare after getting mobo and CPU too
 
Soldato
Joined
17 Jul 2007
Posts
24,529
Location
Solihull-Florida
£290 for 5600X cpu
£160 for for B550
=£450

You don't need the top AMD CPU for it to work


EDIT : Hell you can even squeeze in 32 gig of 3600 DDR4 RAM for around the £150 spare after getting mobo and CPU too


AMD used there top CPU against the RTX 3090.
Using a lower CPU won get you the same results or even close.

I did look for a good motherboard that will overclock and that was £200+
ASUS one was £350
 
Soldato
Joined
22 Oct 2008
Posts
11,491
Location
Lisburn, Northern Ireland
AMD used there top CPU against the RTX 3090.
Using a lower CPU won get you the same results or even close.

I did look for a good motherboard that will overclock and that was £200+
ASUS one was £350

Just because they used a 16 core, doesn't mean the 6 core won't do same gaming performance, at that resolution. The platform sharing thing works on all new gen ryzens and mobos. You don't need a £350 five hundred series mobo for it to work.
 
Associate
Joined
29 Jun 2016
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2,152
Location
Up Norf
ill be cancelling my 3090 strix oc at 1700 notes, buying the 6900xt then using the money i saved to buy a 5800x/5900x and a x570 mobo.. ill probably still have a few quid left over

its total madness when you think of it like that

When you break it down like that, it really does put it into perspective.
 
Soldato
Joined
17 Jul 2007
Posts
24,529
Location
Solihull-Florida
Just because they used a 16 core, doesn't mean the 6 core won't do same gaming performance, at that resolution. The platform sharing thing works on all new gen ryzens and mobos. You don't need a £350 five hundred series mobo for it to work.


I will have to wait and see.
But if the AMDs new lower CPU could beat the 3090 in the tests.
I would imagine that AMD would have used it.
 
Soldato
Joined
11 Jun 2003
Posts
5,073
Location
Sheffield, UK
I will have to wait and see.
But if the AMDs new lower CPU could beat the 3090 in the tests.
I would imagine that AMD would have used it.

You perhaps need to check what a CPU does and what a GPU does.

They aren't particularly related.

All the Ryzen 5xxx series has the extra SAM thing it's a Ryzen 5xxx series feature.
The (e.g) 5600X + 6900XT will be a fair fight/marginal winner vs 5600X + 3090.
The (e.g) 5900X + 6900XT will of course be faster, that's that the bigger CPU brings to the table. The GPU side of the score is the GPU's input.

An Intel chip + 6900XT vs an Intel chip + 3090 will be a MUCH closer fight and might even go to the 3090 by a nose. But then you've paid £700 more for an overall worse performing system as the Ryzen CPU is better.

The 6900XT will straight equal or narrowly lose to the 3090 regardless of SAM or not (OUTSIDE RT and without DLSS, sure, just to avoid being jumped on by a pedant somewhere. Even this is still in some doubt as there's plenty of tech coming online from microsoft/etc that'll give something like DLSS on the AMD cards too and their RT performance isn't utterly terrible either).
Pairing it with a Ryzen 5xxx chip will see it creep ahead (probably).
 
Associate
Joined
3 Jul 2012
Posts
425
Just curious how SAM scales with 5600X vs 5800x vs 5900X cpus, is it ~10% boost across all of them or less with the 5600/5800X or?
 
Associate
Joined
12 Mar 2008
Posts
1,901
If I knew that features like SAM were going to work with the next gen Threadripper's on TR40 then a 6900XT (although I am taking all benchmarks with a pinch of salt until they arrive). At the moment I will hedge my bets.
 
Soldato
Joined
10 Feb 2007
Posts
3,435
6900 XT because it won't be superseded by a TI or Super-version several weeks into the future.

..plus the £500-saved can buy a lot of pizza.
 
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