The Radeon RX 8000 will arrive at the end of this year and will bring important changes at the architectural level, which will be mainly focused on improve ray tracing performance. This is a backlog that AMD has had since the launch of the Radeon RX 6000, a generation that was far behind the GeForce RTX 30 in ray tracing.

Another important change that this new generation could bring is abandoning the 128-bit memory bus. A well-known leaker has published new information where he leaves a summary with the possible configurations of the memory bus and VRAM bandwidth of the Radeon RX 8000, and this is the most interesting data that we can mine.

This information also confirms previous leaks that said AMD It will only use GDDR6 memory in the Radeon RX 8000, something that makes sense since we won’t see any top of the line offerings this generation. AMD wants to attack the price-performance ratio and has to match the costs. Using GDDR7 memories would increase production costs, forcing AMD to increase the selling price, so it doesn’t make sense.

There are still many doubts about the Radeon RX 8000 in terms of specifications and performance, especially since the information we have seen has been conflicting and since there have been changes in this regard. However, they gradually took shape and now We have a little clearer ideas.

Radeon RX 8000 will use 256 and 192 bit buses

Specifically, the Radeon RX 8800 XT and Radeon RX 8700 XT will be the ones to use the 256-bit bus, and the Radeon RX 8600 This is not common, as the Radeon RX X600 series as a general rule always used a 128-bit bus.

The first will be equipped with 20 Gbps GDDR6 memory, so it will have bandwidth 640 GB/s, the other will have GDDR6 memory with a speed of 18 Gbps, which will reduce its bandwidth to 576 GB/sand the third will have a memory of 19 Gbps, so its bandwidth will be 456 GB/s.

We have three models within the Radeon RX 8000 series, but Benchlife has appealed the fourth model in new information, and they will be directed to low rangeso there is still a possibility that AMD will end up using a 128-bit bus.

Said bus would be limited to that low-end graphics card, which, given the nomenclature AMD uses internally to label it, could be a shortened version of the Radeon RX 8600 XT. At the performance level should be Radeon RX 8600 XT over the Radeon RX 7700 XTso its low-end version may offer similar or slightly better performance than the Radeon RX 7600 XT.

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— Kepler (@Kepler_L2) August 27, 2024

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