AMD might have plans for a Navi 21 GPU with 8GB VRAM


A strange AMD Radeon RX 6000 series gaming graphics card with the Navi 21 GPU but just 8 GB of memory has been discovered in the UserBenchmark database. What’s so intriguing about this GPU? It does not correspond to any known model, as all Radeon RX 6000 with Navi 21 GPUs have 16 GB of memory. Is AMD planning to replace its current GPUs with new versions to alleviate the shortage?

We are allegedly looking at a graphics card that does not correlate to any known model, so it might be a whole new variant or configuration with half the VRAM capacity, which opens up a wide variety of possibilities for what AMD has up its sleeve.

What exactly is this AMD Navi 21 GPU with only 8GB of RAM?

The Radeon RX 6800 series and the generation’s top graphics card, the Radeon RX 6900 XT, are built on AMD’s 7nm Navi 21 technology. It is a pretty large chip in terms of capacity, competing with NVIDIA’s faster RTX 30 series products, and AMD selected 16 GB as the standard amount of memory for all products based on this chip. However, its GDDR6 memory interface is only 256 bits wide.

Given that the slowest graphics based on this processor are the Radeon RX 6800, which had some competition concerns with the model immediately below it, the Radeon RX 6700 XT, there is a lot of conjecture about what this new GPU model could be.

Currently, the most credible explanation is that it is a simple prototype (it should be noted, by the way, that according to the UserBenchmark log, this graphics has been tested on a desktop platform, so it is neither an iGPU nor a notebook graphics but a dedicated GPU). The performance comparison between the GeForce RTX 3070 SUPER and the similarly priced Radeon RX 6800 is unconvincing. Any attempt to bridge the gap between the RX 6700 XT and RX 6800 will destroy the latter, unless AMD is specifically aiming for that.


If this idea is correct, AMD may be ready to withdraw its Radeon RX 6800 from the market by releasing a more competitive product that would outperform NVIDIA’s RTX 3070 SUPER but at a cheaper price exchange for having half the memory of the RX 6800. As a result, we’d be looking at a relatively high-end AMD GPU (remember, it uses the Navi 21 chip) at a low price than rival models, so such a move could make sense.

Another idea predicts that we are looking at a prototype, but it is a dedicated GPU for notebooks (this is not the first time we have seen a desktop GPU in a notebook). The RX 6800M has 12 GB of GDDR6 memory, so if AMD goes for it, RX 6900M with Navi 21 would have to provide a lower configuration and cut the VRAM buffer to conserve GPU power, so it might also make sense.

In any scenario, we’re dealing with a bit of reference in a database that, while intriguing, we will have to wait and see what AMD’s next move is, but what is clear is that this Navi 21 GPU with 8 GB of RAM exists and AMD has plans for it.

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