AMD’s Next-gen Radeon GPU Could Be 2.5x More Powerful

Despite the fact that AMD barely announced its Radeon RX 6000 series graphics cards in late 2020 and the GPUs are still hard to find due to supply issues, the innovation doesn’t stop there. It’s already rumored that AMD is working on its next-generation GPU, which will use the company’s RDNA 3 microarchitecture, which could allow the graphics cards to achieve a 2.5x performance increase that is currently on the high-end Radeon RX 6900 XT of the company is possible. The Radeon RX 6900 XT uses the same RDNA 2 architecture as the AMD chips for the Xbox Series X and PlayStation 5 consoles.

The RDNA 3 microarchitecture is also known as Navi 31. So far, it has been speculated that AMD could adapt the use of chiplets from its Ryzen processors to its Radeon graphics chips for more performance. This would be the first time AMD has used chiplets on a graphics card if these rumors prove correct. The chiplet design is known as an MCM or multi-chip module.

Twitter user @ Kepler_L2 speculated that due to this design change, RDNA 3 could arrive with a total of 160 processing units. This means that AMD’s use of MCM can result in two chiplets, each containing 80 compute units. According to Hot Hardware, the new graphics cards with RDNA 3 power supply could result in a total of 10,240 stream processors with the same ratio of arithmetic units and stream processors, which is roughly double the one available with Navi 21 on the Radeon RX 6900 XT.

The upgraded hardware would result in a 2.5x performance increase, according to Twitter user @_rogame. Hopefully, the new architecture will allow future Radeon RX graphics cards to perform better in ray tracing, which will allow AMD to compete with Nvidia’s latest RTX 3000 series GPUs based on the Ampere architecture. While the Radeon RX 6000 series is a strong competitor to the RTX 3000 series, early reviews suggest that ray tracing performance on the AMD card isn’t as strong.

In addition to changes to the overall chip design, AMD could get more performance out of its GPUs by using a larger Infinity Cache and a higher IPC on RDNA 3. On the desktop, the RDNA 3 graphics card could likely be referred to as the Radeon RX 7000 series if AMD follows its current naming convention. A start date for the debut of RDNA 3 is not yet known.

It is believed that AMD will turn to partner TSMC again to manufacture its RDNA 3 graphics silicon, which could be based on a new 5nm design. This would make the chipset competitive with Intel’s next-generation Xe and Nvidia’s unannounced hopper GPU, which, according to Tweaktown, are also supposed to be manufactured with the 5-nm node from TSMC. AMD’s next-generation Zen 4 processors are also rumored to be moving from a 7nm node to a smaller 5nm node. This allows AMD to pack more transistors for more processing power.

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