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AMD Says RDNA3 50% Perf/Watt increase and mentions RDNA4
AMD said that the next RDNA3 graphics architecture will deliver a generational performance/Watt gain of more than 50%.
AMD has stated that RDNA 3, similar to Zen 4, would be made using a 5nm technology, with additional compute units and a reworked rendering pipeline. A new iteration of the fast Infinity Cache is also believed to have been introduced. RDNA4 was not mentioned, save that it will be created on a more advanced node than 5 nm. RDNA3 will be introduced on the TSMC N5 (5 nm) silicon production node, with a chiplet-based architecture similar to what AMD did with its 2nd Generation EPYC Rome and 3rd Generation Ryzen Matisse CPUs.
Memory controllers, display controllers, media engines, and other I/O components will be housed on a separate die. The GPU's fundamental number-crunching and 3D rendering circuitry will be housed on chiplets, while I/O components like as memory controllers, display controllers, and so on will be housed on a separate die.
AMD also reveals AV1 encoding capabilities and DisplayPort 2.0 compatibility as additional RDNA 3 architectural characteristics on the audio track.
The compute units have been rearchitected using RDNA3 to improve their IPC. RDNA3 will also be paired with next-generation Infinity Cache on-die cache memory technology. AMD RDNA3 is expected to be released in the second half of 2022, with a progressive increase until 2023. The successor to the RDNA 3 architecture should emerge in 2024 with Navi-4x GPUs based on RDNA 4, however, AMD has said nothing about it.
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AMD says PhysX will die Author: Tim Smalley Published: 11th December 2008 Godfrey Cheng, Director of Technical Marketing in AMD's Graphics Product Group, has said that PhysX will die if it remains ...
kanenas
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Joined: 2019-07-07
#6024297 Posted on: 06/10/2022 11:17 AM
I personally believe that AMD's goal is the same performance with rasterization and 60 frames in 4k with rtx on, it is a given that Nvidia will be much faster with rtx on but if it manages this 60 AMD the benchmarks will not matter for me at least.
I hope RT performance gets closer to Nvidia's level. Otherwise I do appreciate the claimed performance/watt priority.
I personally believe that AMD's goal is the same performance with rasterization and 60 frames in 4k with rtx on, it is a given that Nvidia will be much faster with rtx on but if it manages this 60 AMD the benchmarks will not matter for me at least.
Silva
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#6024322 Posted on: 06/10/2022 01:34 PM
RT is still just something you toggle on or off. Hardware still needs to catch up allot so you can do everything in RT, then I'd worry about performance of AMD GPUs.
I'm really exited for these GPUs, but sad I won't be able to afford any.
The 50% performance/watt though, really exiting!
Top cards can get up to 50% more performance and lower cards can run on PCIe power!
I hope RT performance gets closer to Nvidia's level. Otherwise I do appreciate the claimed performance/watt priority.
RT is still just something you toggle on or off. Hardware still needs to catch up allot so you can do everything in RT, then I'd worry about performance of AMD GPUs.
I'm really exited for these GPUs, but sad I won't be able to afford any.
The 50% performance/watt though, really exiting!
Top cards can get up to 50% more performance and lower cards can run on PCIe power!
Horus-Anhur
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Posts: 4230
Joined: 2013-02-05
Senior Member
Posts: 4230
Joined: 2013-02-05
#6024326 Posted on: 06/10/2022 01:45 PM
Accordingly to TSMC, N5 vs N7, has a 40% power reduction, at the same clocks. Or a 20% higher clock, at the same power.
AMD is probably going to use higher clocks at the same power. So maybe will see an increase in clock speeds closer to 3Ghz.....
Accordingly to TSMC, N5 vs N7, has a 40% power reduction, at the same clocks. Or a 20% higher clock, at the same power.
AMD is probably going to use higher clocks at the same power. So maybe will see an increase in clock speeds closer to 3Ghz.....
Kaarme
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Posts: 2981
Joined: 2013-03-10
Senior Member
Posts: 2981
Joined: 2013-03-10
#6024328 Posted on: 06/10/2022 02:09 PM
Accordingly to TSMC, N5 vs N7, has a 40% power reduction, at the same clocks. Or a 20% higher clock, at the same power.
AMD is probably going to use higher clocks at the same power. So maybe will see an increase in clock speeds closer to 3Ghz.....
200-220W gaming consumption is acceptable for me. That's where 6700 XT and 3060 Ti sit. If the next gen uses that much for better performance, it would be nice. However, if the prices are outrageous, then I suppose I'd need to settle for a lesser model, which would have 6700 XT or 3060 Ti level of performance but wattage around 160-170, I'd guess.
Accordingly to TSMC, N5 vs N7, has a 40% power reduction, at the same clocks. Or a 20% higher clock, at the same power.
AMD is probably going to use higher clocks at the same power. So maybe will see an increase in clock speeds closer to 3Ghz.....
200-220W gaming consumption is acceptable for me. That's where 6700 XT and 3060 Ti sit. If the next gen uses that much for better performance, it would be nice. However, if the prices are outrageous, then I suppose I'd need to settle for a lesser model, which would have 6700 XT or 3060 Ti level of performance but wattage around 160-170, I'd guess.
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I hope RT performance gets closer to Nvidia's level. Otherwise I do appreciate the claimed performance/watt priority.