Monday, January 29th 2024
Top AMD RDNA4 Part Could Offer RX 7900 XTX Performance at Half its Price and Lower Power
We've known since way back in August 2023, that AMD is rumored to be retreating from the enthusiast graphics segment with its next-generation RDNA 4 graphics architecture, which means that we likely won't see successors to the RX 7900 series squaring off against the upper end of NVIDIA's fastest GeForce RTX "Blackwell" series. What we'll get instead is a product stack closely resembling that of the RX 5000 series RDNA, with its top part providing a highly competitive price-performance mix around the $400-mark. A more recent report by Moore's Law is Dead sheds more light on this part.
Apparently, the top Radeon RX SKU based on the next-gen RDNA4 graphics architecture will offer performance comparable to that of the current RX 7900 XTX, but at less than half its price (around the $400 mark). It is also expected to achieve this performance target using a smaller, simpler silicon, with significantly lower board cost, leading up to its price. What's more, there could be energy efficiency gains made from the switch to a newer 4 nm-class foundry node and the RDNA4 architecture itself; which could achieve its performance target using fewer numbers of compute units than the RX 7900 XTX with its 96.
When it came out, the RX 5700 XT offered an interesting performance proposition, beating the RTX 2070, and forcing NVIDIA to refresh its product stack with the RTX 20-series SUPER, and the resulting RTX 2070 SUPER. Things could go down slightly differently with RDNA4. Back in 2019, ray tracing was a novelty, and AMD could surprise NVIDIA in the performance segment even without it. There is no such advantage now, ray tracing is relevant; and so AMD could count on timing its launch before the Q4-2024 debut of the RTX 50-series "Blackwell."
Sources:
Moore's Law is Dead (YouTube), Tweaktown
Apparently, the top Radeon RX SKU based on the next-gen RDNA4 graphics architecture will offer performance comparable to that of the current RX 7900 XTX, but at less than half its price (around the $400 mark). It is also expected to achieve this performance target using a smaller, simpler silicon, with significantly lower board cost, leading up to its price. What's more, there could be energy efficiency gains made from the switch to a newer 4 nm-class foundry node and the RDNA4 architecture itself; which could achieve its performance target using fewer numbers of compute units than the RX 7900 XTX with its 96.
292 Comments on Top AMD RDNA4 Part Could Offer RX 7900 XTX Performance at Half its Price and Lower Power
Imagine the RX 7900XT launching at $800, it would have been an instant hit, it would have been the go to card with enthusiasts, but at $900 it was overexpensive and lacked value, even the 7900XTX was better value.
Then they launched the 7600 at $270 which was a reduction from the $300 price they initially went for, imagine this card launching at $240, it would have been an entry level hit, it would have been the go-to card for people looking for value and as an entry card.
They also screwed up with the 7700XT price, it should have cost $420 at start and it would have been just as popular, if not more than the 7800XT. At $450 it was worse value than the more expensive 7800xt.
but alas
Most don’t want a new high end GPU (except to read about them in reviews) with a new record high price.
Most want the same performance level at reasonable cost.
If AMD will pull it over, they will see much applause from the mass, imo.
Top AMD RDNA4 Part Could halve the value of your current gpu.
Yep, thats unreal. AMD and Intel lied a lot in the past.
I surely hope they will not abandon high end, as I will have to switch back to nvidia and get a 5080.
chipsandcheese.com/2024/01/28/examining-amds-rdna-4-changes-in-llvm/
www.pugetsystems.com/labs/articles/stable-diffusion-performance-nvidia-geforce-vs-amd-radeon/
It's more about nvidia actually using it in gaming (DLSS, RR) while AMD not, which I hope they will finally start to do.
RDNA4 looks like CDNA3 /mi300 feature set.
RDNA2 does bfloat16 nicely which is what the majority of generative AI is using.
RTX4080 bfloat16 is: 97.5/195 regular sparsity
RTX4090 bfloat16 is: 165.2/330.4
Most things do not support sparsity which is why the 7900xtx does things like stable diffusion so well relative to 4080/4090
Google has TPUs tensor cores that specialize in INT8, AMD simply calls the Matrix cores for instinct or AI cores now in RDNA3
gpuopen.com/learn/wmma_on_rdna3/
The function to call the AI cores in RDNA is WMMA ^ that is where the data for my spreadsheet came from.
I don't know if it is better or worse that AMD chose to not just call them tensor cores... It is not a trademarked word, it can't be it is a mathematical term.
If this is true, nGreedia are going to completely screw us all over.
But having a good Halo class gpu does tend to make people think higher of your lower end products, no matter how underwhelming.