According to AMD product pages, the upcoming 7950X3D and 7800X3D are Unlocked for Overclocking.
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AlmondMan
Kind of weird actually, considering the problems with the 5800X3D was the thermals and the effect on the cache? Ryzen 7000 runs loads hotter, so I wonder what magical things they did to make it work properly.
Also I guess allowing for OC is free - doesn't mean there's going to be any meaningful performance to be had from it.
Horus-Anhur
This is a good decision. And I wish they made some AGESA that would also unlock clock speeds for the 5800X3D.
With PBO-30, my 5800X3D has a somewhat low power usage and temperatures, so it could go a couple 100Mhz higher, if it wasn't locked.
pegasus1
Horus-Anhur
pegasus1
Horus-Anhur
pegasus1
Horus-Anhur
pegasus1
Horus-Anhur
Picolete
Maybe it just one CCX that is unlocked
XenthorX
Looking forward to reviews of 3D cache versions.
I used to be on the fence, but I don't think those new product will deliver the "twice as fast as 5900X and affordable" that I am looking for.
Guess I will have to look for next generation, with the prices of everthing I am in no hurry.
tunejunky
geogan
"And that means one CCD has a 32 MB L3 cache on-die, and the other is a standard planar CCD."
Hold on... 3D cache on only one CCD of the 7950X3D?
So that means if your process ends up running on the other normal CCD then it would end up much slower?
Also does this leave the door open for AMD to then release a next version of 7950X3D with a 3D cache on both CCDs?
Was this done intentionally to make people buy the same thing again from them - planned obsolescence?
GarrettL
GarrettL
https://www.hardwaretimes.com/amds-ryzen-9-7900x3d-and-7950x3d-wont-be-faster-than-the-7800x3d-in-most-games-report/
That's the issue. Until Microsoft works out it with AMD it's history repeating itself. Initially the 7000x3d scores may not look great at release compared to what it will be in a year.
tunejunky
you guys are conflating separate issues.
3DCache has zero effect on CCD's, the issue regarding OC is voltage regulation and it has been solved months ago with the launch of Genoa3D.
another - Ryzen is not and has never been a Hybrid Design. it is a MCM which is entirely different. SOME mcm's (Intel) are hybrid, AMD is not.
any latencies between CCD's is so small as to have a minimal effect, as opposed to a massive increase in FPS in real world games for 3dCache, so any worrries about a 7900/7950X3D is misplaced and is just internet chum.
i've had Ryzen's (and TR) top cpu's from 1st, 2nd. and 3rd generation. i'm about to build the fourth gen system.
i've only had issues in gaming with the 1st gen (which i expected), and in the transition to Win 11 - which was more M$'s issue than AMD.
geogan
pegasus1
GarrettL
I believe AMD is trying to get the best of both worlds. With the design used on the 5800x3d the max speed is limited when compared to the 5800x due to the heat issues with the shared cache. This reduces the performance for games that use primarily one core and is evident in the test results.
With the new design AMD is trying to offer the best of both, the huge cache for one CCD for games that benefit at a reduced max frequency and one CCD with the standard cache that can boost to it's max of 5.2GHz-5.6GHZ.
Question is, can you manage the heat to allow this to actually happen?