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AMD Zen 4 desktop processes up-to 16 cores, 170 W TDP
While many still are trying to get their hands on a ZEN3 based AMD processors with good pricing, ZEn4 of course is already in the works. And chatter is building up. Desktop CPUs AMD's Zen 4 Raphael will be limited to 16 cores with 2 compute units.
Previous rumors have been made about a 24 core model with three computer units, but that seems improbable. Patrick Schur who's been spot on mostly in the past; indicates the fastest proc would get a TDP of up to 170 W. AMD will start its Zen 4 5 nm desktop CPUs Raphael in 2022, these will be PCIe 5.0 and DDR5 compatible. However, the CPUs will migrate to a new LGA1718 AM5 socket due to that new memory and PCIe revision - in an effort to compete with Intel's 24-core Raptor Lake Successor, Alder Lake-S.
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Undying
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Joined: 2008-08-28
Senior Member
Posts: 19511
Joined: 2008-08-28
#5929043 Posted on: 07/14/2021 02:38 PM
V-cache without any architectual change will be adding 15% more performance. AMD confirmed zen4 will use it with new arch improvement and benefit from lower latency and fast ddr5 ram. This should be 40% increase over zen3 at minimum. It would smash.
I'm not surprised. Consumer-grade CPUs aren't going to need more cores than what AMD offers for another few years. If there is no IPC increase or high peak clock speeds, then we have more of a reason to be concerned.
V-cache without any architectual change will be adding 15% more performance. AMD confirmed zen4 will use it with new arch improvement and benefit from lower latency and fast ddr5 ram. This should be 40% increase over zen3 at minimum. It would smash.
kapu
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Joined: 2006-12-22
Senior Member
Posts: 5297
Joined: 2006-12-22
#5929046 Posted on: 07/14/2021 02:52 PM
170 Watt you say?
My 11700 uses about 40-45 during gaming, my old 4770K used 95 ^^
Excellent point ..............................-- in another world another dimension maybe
170 Watt you say?
My 11700 uses about 40-45 during gaming, my old 4770K used 95 ^^
Excellent point ..............................-- in another world another dimension maybe
Undying
Senior Member
Posts: 19511
Joined: 2008-08-28
Senior Member
Posts: 19511
Joined: 2008-08-28
#5929050 Posted on: 07/14/2021 03:05 PM
But in this one tittle was "waste of sand"
Excellent point ..............................-- in another world another dimension maybe
But in this one tittle was "waste of sand"
BlindBison
Senior Member
Posts: 1363
Joined: 2018-02-08
Senior Member
Posts: 1363
Joined: 2018-02-08
#5929062 Posted on: 07/14/2021 04:10 PM
How relevant of a negative would this be for games? I've heard some people like "TechDeals" claim that more cores and threads can improve system responsiveness and "smoothness"/frametimes in games, but then other testing outlets claim there's essentially no gaming performance improvement in most titles beyond/above a certain core/thread count at this time. DOOM Eternal was one of the very few cases where I saw the 3900X could beat the 10900K so maybe the future with better multithreaded games core/thread count will continue to matter more than it does now, but going off the tests I've seen raw single threaded throughput still matters more for games after you reach a certain core/thread count at least.
More cores/threads means more heat/power draw, no? For example, doesn't the 3900X run hotter than the 3700X which in turn runs hotter than the 3600? Personally I think I prefer they keep the core/thread count the same and just do what they did with Zen 3 where they focus on making the cores and threads they've got faster/reducing latency between CCXs, etc. Correct me if I'm wrong of course, but seems like that would be the more beneficial route for gaming. The uplift between Zen 2 and Zen 3 for games was huge and for my uses 16 cores/32 threads is overkill unless more games start being programmed like DOOM Eternal (hopefully they will be). For example, I was playing Resident Evil 8 which is DX12 iirc yet that game didn't appear to scale with core/thread count well at all and most of my 3900X just sat idle looking at HWiNFO.
Sort of off topic, but the PC version of RE8 could seriously use a round of patching (broken film grain/broken anti-aliasing/weird slow motion issues after alt tabbing on my system/some users I saw were reporting missing animations here and there depending on their rig seems like/CPU utilization on high thread count chips seems relatively poor/I get asset streaming stutters running through doors and I've got a pretty beefy rig/changing graphics settings on the fly tanks performance for some reason -- Digital Foundry confirmed many of these issues in their video while Modern Vintage Gamer demonstrated that the current DRM implementation is responsible for a lot of the game's stuttering which is totally unacceptable).
How relevant of a negative would this be for games? I've heard some people like "TechDeals" claim that more cores and threads can improve system responsiveness and "smoothness"/frametimes in games, but then other testing outlets claim there's essentially no gaming performance improvement in most titles beyond/above a certain core/thread count at this time. DOOM Eternal was one of the very few cases where I saw the 3900X could beat the 10900K so maybe the future with better multithreaded games core/thread count will continue to matter more than it does now, but going off the tests I've seen raw single threaded throughput still matters more for games after you reach a certain core/thread count at least.
More cores/threads means more heat/power draw, no? For example, doesn't the 3900X run hotter than the 3700X which in turn runs hotter than the 3600? Personally I think I prefer they keep the core/thread count the same and just do what they did with Zen 3 where they focus on making the cores and threads they've got faster/reducing latency between CCXs, etc. Correct me if I'm wrong of course, but seems like that would be the more beneficial route for gaming. The uplift between Zen 2 and Zen 3 for games was huge and for my uses 16 cores/32 threads is overkill unless more games start being programmed like DOOM Eternal (hopefully they will be). For example, I was playing Resident Evil 8 which is DX12 iirc yet that game didn't appear to scale with core/thread count well at all and most of my 3900X just sat idle looking at HWiNFO.
Sort of off topic, but the PC version of RE8 could seriously use a round of patching (broken film grain/broken anti-aliasing/weird slow motion issues after alt tabbing on my system/some users I saw were reporting missing animations here and there depending on their rig seems like/CPU utilization on high thread count chips seems relatively poor/I get asset streaming stutters running through doors and I've got a pretty beefy rig/changing graphics settings on the fly tanks performance for some reason -- Digital Foundry confirmed many of these issues in their video while Modern Vintage Gamer demonstrated that the current DRM implementation is responsible for a lot of the game's stuttering which is totally unacceptable).
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I'm not surprised. Consumer-grade CPUs aren't going to need more cores than what AMD offers for another few years. If there is no IPC increase or high peak clock speeds, then we have more of a reason to be concerned.