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AMD demonstrates Ryzen 9 5900X prototype with 3D V-Cache stack chiplet design

Who would fork out for a 5950X at this point? I'm not sure why people obsess over this CPU.

The 12900 should be cheaper and better in most tasks.

But the 12900K is a hot pig due to clocks and power levels that are set too high, which seems to be the trend for the top products these days.
 
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Ross Thomson said:
why do people care if the 12900K is faster in games than a 5950X? Most of this thread is just asinine willy waving. It really is an embarrassing read.
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Overall it is and it does matter, it shouldn't just be ignored, but no i don't because the margins are not significant.

At best the 12900K is 17% faster
For AMD their best result is the 5800X is 16% faster than the 12900K

But over all, sure, the 12900K is the winner, but not by much, they trade blows.

Also, a lot of reviewers use the 5900X to compare to the 12900K, which next to the 5600X is the worst Ryzen 5000 CPU for gaming, they are like two 5600X's, lower binned silicon so they just don't clock high out of the box, its also two 6 core chiplets and that can have some effect in gaming as the workload has a higher chance of going outside of the primary CCD, more so than the 5950X.

I have always maintained the best gaming CPU (from AMD) is actually the 5800X, its the highest clocking chip and its a single CCD, sometimes the 5950X beats it through a higher clocking single core, but overall the 5800X is better.

https://www.anandtech.com/show/1704...ybrid-performance-brings-hybrid-complexity/15

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g67575 said:
Who would fork out for a 5950X at this point? I'm not sure why people obsess over this CPU.

The 12900 should be cheaper and better in most tasks.

But the 12900K is a hot pig due to clocks and power levels that are set too high, which seem to be the trend for the top products these days.
Click to expand...

From the data available on the internet the 5950X is still outselling the 12900K.

Some gamers bought it because it was at the time the E-Peen CPU, some of those people are sticking with it because they don't want windows 11 or they have come to their senses and don't see the value in changing the entire platform that yes is better in games but also has awkward questions hanging over its gaming compatibility reliability.

Others like the 5950X because its a cheap HEDT platform for actual HEDT work, and in that the overall platform cost is more expensive on the 12900K side while at the same time it uses twice as much power, if your CPU is running at a very high load for hours every day high power consumption is the last thing you want, on top of that the 12900K isn't actually any faster.

The 5950X is the better CPU for its purpose, its as simple as that.
 
OK, so the '6900X' /'6950X' V-Cache series will be better then? Especially for gaming.

So, people should definitely wait for that if they have an AMD board.

I've still got no clue if they will produce a '6950X' with 16 cores, but there should be a 12 core '6900X' at least.

I'd probably still go with an Alder Lake CPU + DDR5 if building a new system right now.
 
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g67575 said:
Who would fork out for a 5950X at this point? I'm not sure why people obsess over this CPU.

The 12900 should be cheaper and better in most tasks.

But the 12900K is a hot pig due to clocks and power levels that are set too high, which seems to be the trend for the top products these days.
Click to expand...


given the 12900k requires a mobo as well over a 5950x so for me it isn't priced competitively. I also don't have a super high end CPU so I'm not going to see much of a difference between the CPUs
 
g67575 said:
Who would fork out for a 5950X at this point? I'm not sure why people obsess over this CPU.

The 12900 should be cheaper and better in most tasks.

But the 12900K is a hot pig due to clocks and power levels that are set too high, which seems to be the trend for the top products these days.
Click to expand...

Id take 5950X over a 12900K TBF. I don’t need to beta test the 5950X or mess about with dealing with the cooling of the 12900K. A 5950X would hold me well into AM5 and I’d have the option of dropping a chip with 200mb of cache. 16 big cores with 32 threads is the better option.

Not to mention I avoid the stigma of using Intel :p
 
Monkeynut said:
AMD needs a backup CPU in case it all goes to hell and Intel makes a few big leaps
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What? AMD have released new CPU designs every year (ish) for the past 5 years, and in that short time they've overcome a massive performance deficit to take a massive performance lead. Alder Lake is the first time Intel have come back swinging, but AMD haven't even released their current-gen refresh yet, with the brand new arch coming in about 12 months.

This is not Intel milking Skylake for 6 years, each version of Zen is a significantly different entity.
 
OK, but surely the V-Cache CPUs will offer better bang for buck, even if you don't buy an AMD 12/16 core CPU.

I agree about the 12900K's cooling requirements, it's a monster.
 
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g67575 said:
OK, so the '6900X' /'6950X' V-Cache series will be better then? Especially for gaming.
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The differences will be quite small as Alderlake has shown we are already pretty much GPU bound even at 1080p and it needs 720p to see a real difference.

Also unless they bring a significant productivity increase I can't see either of these chips being cost effective even vs the already high prices of the vanilla Zen 3 unless AMD is willing to take a big cut on margins.

We are maybe looking at as much £900 and £650 for the 3D Vcache versions and then AMD will look to cement these price increases when Zen 4 arrives in a similar way to the 3000XT chips paving the way for higher prices on Zen 3, consumers have shown they are all to happy to pay more though and AMD are certainly happy to charge more even for inferior products as shown by the unwillingness to cut prices on the 5600X despite up to a 45% performance deficit to the cheaper 12600KF.
 
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I reckon the '6800X' will be priced at £350-£400. '6600X' will be around £300. They won't have the full 96MB of L3 cache though, I'm guessing.

So, these parts will be competitive on price with equivalent Intel 12th gen CPUs.
 
I would imagine the 6 and 8 core parts will be more like the XT refresh with a slight clock bump rather than Vcache as I doubt it will be worthwhile cost wise to put Vcache on those and also it will upsell the higher cost parts to those people that are desperate for the Vcache versions.
 
g67575 said:
They won't have the full 96MB of L3 cache though, I'm guessing.
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48MiB per chiplet, so those single chiplet SKUs will only have that 48MiB.
Joxeon said:
...as I doubt it will be worthwhile cost wise to put Vcache on those...
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You keep saying this, but it's just not true. A chiplet is a chiplet is a chiplet, and if it doesn't meet binning requirements for EPYC then it's binned for desktop Ryzen. The manufacturing cost of adding the v cache is already spent at this point, it literally doesn't cost anything more to put the chiplets into a Matisse package.

These v cache chiplets aren't going to suddenly cost a bazillion times as much as a normal one, and the fractional cost increase will be covered by EPYC sales.
 
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Ross Thomson said:
given the 12900k requires a mobo as well over a 5950x so for me it isn't priced competitively. I also don't have a super high end CPU so I'm not going to see much of a difference between the CPUs
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well they both require a mobo

there are a massive amount of people on 4-6 year old i5/i7 systems if you look at the steam stats new game requirements will force them to upgrade

who ever has the middle ground king at the time will own that market
 
JediFragger said:
For sure, you should def wait and see what the new AMD tech brings to the table (beginning to wish I had tbh but no biggy, not like we're talking thousands here!).
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to be fair looking at your gpu money troubles are not something you need to worry about ;)
 
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