Even before the holidays, AMD should offer updated Radeon RX 6000 XT graphics cards, based on the RDNA 2 architecture. Radeon RX 7000 has long known that the RDNA 3 architecture will introduce an MCM design for NAVI 31 and NAVI 32 graphics chips, while NAVI will retain 33 with a uniform design. A bunch of unofficial information appeared on the network about the aforementioned NAVI 33 core and the Radeon RX 7700 XT graphics card that will use the chip. It’s supposed to be effective, but it’s not nearly as efficient as some might expect.
New information appeared on the network about the specifications and possible performance of the AMD NAVI 33 graphics chip, which will be used in the Radeon RX 7700 XT card.
The unofficial information comes from the Moore’s Law Channel Is Dead. The AMD NAVI 33 graphics system should feature a monolithic architecture – the primary surface oscillates in the 360-460 mm² range, although MLID suggests it would be a system no larger than 410 mm² in size. Therefore, it will not be a small system, but at the same time it is much smaller than the NAVI 21 (520 mm²), while maintaining a relatively similar rasterization performance. MLID reports that the full NAVI 33-based graphics card (the Radeon RX 7700 XT mentioned) offers slightly better raster performance compared to the Radeon RX 6900 XT…in Full HD. In the case of WQHD resolution, both cards should be the same, while in 4K the current top on the basis of the RDNA 2 architecture will be better. TBP should be in the range from 180 to 230 watts – taking into account the estimated performance with respect to the Radeon RX 6900 XT, a significant increase in performance / watts, which is also expected to be higher than the next generation of NVIDIA GeForce RTX 4000 graphics cards from Ada family. The NAVI 33 will also use the PCIe 5.0 x8 bus.
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This is a pretty clear statement when looking at the general specifications of the NAVI 33. This chip will use 8GB of GDDR6 memory (at least 18Gbps) on a 128-bit bus. For comparison, the Radeon RX 6900 XT uses a 256-bit bus. The NAVI 33 chip will be manufactured using 6nm lithography from TSMC. Apparently, only 5 nm will be reserved for the top of the NAVI 31 and NAVI 32. In addition, thanks to the use of the new RDNA 3 architecture (MLID clearly suggests that the architecture of individual blocks and cores will be significantly different from what we obtained on the occasion of RDNA 2), the new chips will provide Significantly higher core clocks compared to the current generation. RDNA 3 will also offer much higher performance in Ray Tracing, which will be due to the rebuilt Ray Accelerators. However, we should not expect low prices. Moore’s Law Is Dead, after his sources, suggests that the MSRP will be between $399 and $499. The upcoming cards will have higher prices compared to the current generation, and the iGPU RDNA APUs will be pushed to the lowest shelf.
Source: WCCFTech, Moore’s Law is Dead
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