AMD RX 7900XTX and RX 7900XT Reviews
- Thread starter DavidGraham
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At least it's faster than the 5600X for slightly less money (looking at launch MSRPs and inflation). And Intel's 13 gen stuff is a nice improvement in perf/$. 4080 is clearly worse than 3080 in this respect. It is more expensiver than it is faster.
This makes me wonder why CPU prices are not skyrocketing. Possible reasons are: Intel has no advanced manufacturingand AMD is using the premium process sparingly with chiplets. Also I guess CPU performance is not really increasing at a comparable rate.
If chiplets are the answer, too bad they fucked it up with N31. Whether it was a bug or just lackluster design, N31 is offering similar value proposition to the abysmal 4080. This won't be earning AMD any marketshare.
Also can anyone source Jen-Hsun on that conference call talking about how they were trying to get GPU prices back to pandemic/mining levels? I know he said it on an investor call but I can't find it.
One big thing to come out of the Ryzen 7x00 release is the increase in platform cost. Many complained about how high the new chips were priced along with the increase in price on the motherboards and ddr 5. I think cpu price increases are more incremental vs the graphics side. I also imagine that for many users they purchase new video cards more often than cpus and that video cards give a more visual improvement in terms of performance changes.
I am curious if the increased platfrom cost is temporary. It always works this way with RAM. Hopefully the motherboards come down.
But there are other factors. Even today most games are limited by 1 or 2 threads, so a $330 13600K will pretty much get you maximum gaming performance. GPUs just don't work this way.
Silent_Buddha
Legend
This makes me wonder why CPU prices are not skyrocketing. Possible reasons are: Intel has no advanced manufacturing
If chiplets are the answer, too bad they fucked it up with N31. Whether it was a bug or just lackluster design, N31 is offering similar value proposition to the abysmal 4080. This won't be earning AMD any marketshare.
Also can anyone source Jen-Hsun on that conference call talking about how they were trying to get GPU prices back to pandemic/mining levels? I know he said it on an investor call but I can't find it.
AMD tries to use cutting edge nodes for their CPUs (Client and Data Center) whenever possible as that's the major profit driver the company. It uses advanced nodes and has the highest margins. Data Center has a slightly higher margin than Client. Most of AMD's advanced node wafer starts are used for CPUs because that's the most profitable and highest margin segment for them, despite the relatively low cost of their CPUs (Client segment).
The higher cost of their Ryzen CPUs is a combination of increased cost to manufacture combined with higher market success versus Intel allowing them to price their CPUs higher in order to increase margins. IE - the increase in cost for Ryzen CPUs is only partially due to increased fab costs.
AMD has a split between cutting edge nodes and older nodes for Gaming (client GPU and semi-custom [consoles for example]). This has the lowest margins of all their segments. One major factor that affects AMD's margins is that in most market segments where they compete with NV cards on price, they include significantly more memory. Memory costs are currently far higher than the cost of the GPU itself. Board costs outside of memory and GPU are significantly lower. The high cost of memory is the largest reason that margins for AMD client GPUs are so relatively anemic for AMD compared to NV.
Regards,
SB
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I think amd has slashed about $50 off the cpus but the motherboards are still a bit high. I think for amd in particular when ryzen first launched the chips were noticeably lower priced than intel , the boards were also noticeably lower priced. The ram was equal. Now the chips were priced on par or higher than intel , the motherboards were priced similar and unlike Intel you had to run ddr 5 with the new chips. So it was a shock for many who may have entered into ryzen with a cheaper board since so many generations of ryzen could exist on the original chipsets.
Also i think today more and more games need more threads. With the consoles having what really amounts to a ryzen 3700 I think its going to become more of an issue for games targeting current gen games. You might actually even want a 12 core in the next few years to make up for the increased overhead from windows vs console os's
That is interesting. I had no idea about the cost of GDDR. What about GDDR6 vs GDDR6X? Would 16GB of GDDR6 be comparable in price to 10GB of GDDR6X? 24GB of GDDR6 vs 16GB of GDDR6X? Also I'm noticing GDDR6 is hardly any slower than GDDR6X, and this is confusing to me.
neckthrough
Regular
CPU dies are *tiny* compared to GPUs, and so the marginal increase in BOM cost hurts a lot less than GPUs.This makes me wonder why CPU prices are not skyrocketing. Possible reasons are: Intel has no advanced manufacturing
You clearly don’t watch HUB as that is not their messaging.
hoom
Veteran
Also AM4 debuted on Bulldozer based architecture so the new platform cost was gone by the time of Zen.
The vast majority of the BOM for a CPU is not the die? I don’t see why it matters that they are smaller if most of the cost is in the silicon. We’re talking about % increase in cost over the previous generation.
Well I guess with chiplets it matters especially if the CCDs are smaller than the IODs.
D
Deleted member 2197
Guest
AMD Investigating Overheating Radeon 7900 Reference Boards - ExtremeTech
Some users are reporting massive temperature deltas, leading to thermal throttling and excessive fan noise.
www.extremetech.com
I dont think that its is only AMD Designed boards. The 7900xtx from asus tuf have the same issue.
In this test it performe really bad. https://www.computerbase.de/2022-12/radeon-rx-7900-xtx-custom-design-test/2/
In this test it performe really bad. https://www.computerbase.de/2022-12/radeon-rx-7900-xtx-custom-design-test/2/
If a retape is needed then it would be a new base metal revision and would be a "Bx" most likely a "B0".
If that indeed happens, it could be seen as early as end of Q2 since they likely would have known and started the process in late Sept/Oct.
I'm still expecting Navi 32 either late Q1 or early Q2.
Bondrewd
Veteran
Little one, you better not look at Genoa street pricing.
AMD client cratered in half.
That segment is dead-dead until H2'23 at least, but probably H2'24 if we're being real.
TopSpoiler
Regular
Err, most of the stuff GPU does is FP.
If a retape is needed yes, but if metal spin is enough it would be A1 (which still takes 3-6 months apparently)
Also I don’t see how it’s any different to Ampere and Ada where INT32 instruction throughout is half FP32. Is there any evidence that FP32 dual issue works well on RDNA3?
Also, when it can't dual issue from the same wavefront, why can't they make it so that it could fill the other ALU from another wavefront that is ready to go?
Seems like a no-brainer at a high level, so there must be some difficult technical hurdle to overcome to make it work.
Seems like a no-brainer at a high level, so there must be some difficult technical hurdle to overcome to make it work.
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