Two years ago, AMD replaced its old GCN architecture, which was used in the latest Vega GPUs. Since then, the chipmaker has celebrated its return to the high-performance market with RDNA. So it is not surprising that already the first details of the third generation architecture have been published.
Update on August 16, 2022:
RDNA3 is significantly more compact than its predecessor architecture. At least one report says so Astronomics out, which reveals the specifications of the three GPU chips. Accordingly, the full extension to Navi 31 size is reduced to one size 308 mm² Asa AMD will thus reduce the chip size of the flagship to more than 200 mm². At the same time, the number of sheds should be more than doubled. So may be about the GPU of 12.288 sheds As well as a relationship 384-bit wide memory interface characteristics
The upcoming mid-range will be covered by the Navi 32 chip, which 7.680 shaders As well as a 64 MB Infinity cache. The Navi 33, instead, will primarily be designed for gaming notebooks and 4.096 Shaders offer. This should be enough to achieve higher performance than the Intel Arc 770. In fact, the weakest chip is not the smallest. Instead of that TSMC N5 method, N6 manufacturing is used here, which means the chip size is 203 mm². Meanwhile, the “larger” Navi 32 comes in at around 200 mm².
| Navel 31 | Navel 32 | Navel 33 | |
|---|---|---|---|
| Id | GFX1100 | GFX1101 | GFX1102 |
| symbolic name | Plum bonito | Wheat Nas | Hotpink Bonefish |
| Design | Chiplets (1x GCD + 6x MCD) | Chiplets (1x GCD + 4x MCD) | Sing-chip |
| manufacturing | TSMC N5 | TSMC N5 | TSMC N6 |
| chip area | ~308 mm² | ~200 mm² | ~203 mm² |
| WGPs | 38 | 30 | 16 |
| CUs | 96 | 60 | 32 |
| Shader unit | 12.288 | 7.680 | 4.096 |
| Infinity cache | 96 MB | 64 MB | 32 MB |
| memory interface | 384-bit | 356-bit | 128-bit |
AMD probably removed some features irrelevant to the gaming sector to reduce GPU area. This is how it should be FP64-Performance Among the GPUs is greatly reduced. Small size automatically increases output during production, which means that Production cost However, it is estimated that this will have little impact on consumer prices.
Update from June 10, 2022:
above Financial Analysts Day 2022 AMD has not only provided more details about Zen 4 and the upcoming Ryzen processors, but also some exciting information about the RDNA 3 architecture for the Radeon RX 7000 graphics card. Among other things A chiplet design For GPUs, so-called “advanced chiplet packaging” is guaranteed. But which chiplet is used in which GPU remains an open question.
Image: AMD
However, like the RDNA 3, Gen 4 architecture, Built at 5 nm Willpower. GPUs will receive new compute units and a revised rendering pipeline The Infinity Cache cache will also be on board in a new generation. Finally, RDNA 3 should override RDNA 2 50 percent more power with the same cost Offer – so it will be exciting. Then by 2024 Successor to RDNA 4 AMD has yet to provide any insight into this, however.
Update from June 09, 2022:
So far, AMD has kept a low profile for the next generation of GPUs. Accordingly, details of RDNA3 graphics cards are rare from the current point of view. However, the first theoretical cost data for the Radeon RX 7000 series has now emerged. Unreleased GPUs were brief Seasonal Wattage Calculator As listed, the manufacturer recommends at least one power supply for the RX 7900 XT and RX 7800 XT. 750 watts. For RX 7700 XT, a 650 watts Powerful models are enough.
The data exactly matches the recommendations that Seasonic gives for the RX 6000 series Accordingly, it is reasonable to assume that only current radian data were taken here. word Videocards However, power supply requirements may be based on official, preliminary information from AMD. If this is the case, TDPs should be less likely to change than RDNA2.
Furthermore, recommended power packs can provide information about how the graphics accelerator’s power supply is configured. So GPUs can continue to be used Classic 6- or 8-pin connector Instead of the new 16-pin power connector. The latter is at least not supported by any of the listed models. Meanwhile, the power supply manufacturer has deleted information on the RDNA3 model.
Original article from December 20, 2021:
through liquor Greymon55 First description of possible expansion phase RDNA3 And so on Radeon RX 70xx Graphics card found. Accordingly, the smallest expansion stage so far is the successor to the RX 6600 (XT) and thus a Navi 33 GPU.
According to reports, this total should 4.096 Shaders can return, which is distributed over 16 compute units. It will probably do that again 8 GB a with video storage 128 bits Give a wider connection. The GPU’s predicted clock rate is impressive, so it should be within that 2,8 and 3 GHz lie
The next chip in line is Navi 32 GPUwhich is a Dual-chiplet-design can act With this chip, AMD will likely realize an RX 7700 (XT) and increase performance by a factor of 1.5 to 2 over its predecessor. According to the leak, it has been possible 10,240 shader units as well as a bar 2,6 bis 2,8 GHz. Again, video memory doesn’t seem to increase, so again 12 GB GDDR6 Will be installed with a 192-bit wide memory interface.
Navel 31 For now the third RDNA generation makes the latest known GPU models. This is called about the chip 15.360 shaders And can increase performance by 50% compared to Navi 21. Here too, the memory equipment apparently remains the same, which means that 16 GB of GDDR6 with 256-bit connectivity could be available. All models have the possibility to double them Infinity cache Compared to previous GPU chips.
The first graphics card is likely at the end of next year
It remains to be seen how well these expansion phases will materialize. AMD will likely introduce the first RDNA3-based graphics cards within the next year, although the first products are still a long way off. It can currently be assumed that the first corresponding models will appear Fourth quarter of 2022 may appear. Until then, NVIDIA will likely join Loveless And with Intel Ark has brought new GPUs to the market.
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