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AMD Radeon RX 7900 XTX vs 7900 XT

Which of the top end is a better pick for RDNA 3?

Updated: Dec 7, 2022 2:36 pm
AMD Radeon RX 7900 XTX vs 7900 XT

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Radeon RX 7900 XTX vs RX 7900 XT, two new graphics cards built on the next-generation, high-performance RDNA 3 architecture, have been unveiled by AMD, the industry leader in graphics chips.

The 7900 XT and 7900 XTX were first announced on November 3 and will be available on December 13 for $899 and $999, respectively.


The Navi 31 GPU is fully functional on the 7900 XTX, whereas it is slightly scaled back on the 7900 XT. The XT variant features 84 of the 96 Compute Units (or CU) that Navi 31 offers, a clock speed of 2GHz as opposed to the XTX’s 2.3GHz, 20GB as opposed to the XTX’s
24GB GDDR6, and a slight reduction in Infinity Cache.


RX 7900 XTXRX 7900 XT
GPUNavi 31 XTXNavi 31 XT
GPU processTSMC 5+6nmTSMC 5+6nm
Base clock1,900 MHz1,500 MHz
Boost clock2,500 MHz2,400 MHz
Memory24GB GDDR620GB GDDR6
Memory clock20 Gbps20 Gbps
Memory bus384-bit320-bit

The 7900 XT has a slightly lower TDP and a slower clock speed. The only significant difference between the two GPUs will be performance.


The 7900 XTX outperformed the 6950 XT in six AAA games tested at 4K (three of which also had ray tracing enabled) by a factor of 1.5 to 1.7. This is only conjecture, but if AMD had tested a 7900 XT, we may assume it would be 1.3 to 1.5 times quicker than the 6950 XT.

AMD states that the 7900 XTX very easily achieves frame rate caps at 1440p in esports games, including Valorant’s 833 fps cap and Apex Legends’ 300 fps cap. In contrast, AMD asserts that the 7900 XTX can game at 8K resolutions and even at frame rates much above 60.

Although AMD acknowledges that it needs FSR to achieve these frame rates; this sounds very similar to Nvidia’s 8K gaming claims and may even be too good to be true. Conversely, the 7900 XTX has DisplayPort 2.1, unlike the RTX 4090, which allows it to display more than 60 frames per second at 8K.

RDNA 3 performance

Is the 7900 XTX better than the 7900 XT?

The 7900 XT and 7900 XTX are a bit traditional in terms of GPU debuts; the XTX model represents the pinnacle of AMD technology, while the XT model is a little more streamlined at a lower price. Which GPU should you buy, therefore, based on these preliminary results? The 7900 XTX seems like a great deal right now.

For an additional $100, you can get about 15% more cores, a slightly faster clock speed, a little more VRAM, and roughly the same power consumption. But before we offer our final advice on how all these specifications perform, we must test them ourselves.

With a background in engineering and PC gaming, Seb is a staff writer with a focus on GPU, storage, and power supplies. Also one of tech supports in the office he likes helping and solving problems.

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