AMD Radeon RX 6900 XT vs AMD Radeon RX 7900 XTX

Compare AMD Radeon RX 6900 XT 16 GB vs AMD Radeon RX 7900 XTX 24 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Price

The cheapest price from our partner retailers

$ 630.79
$ 567.21 significantly less expensive
$ 1198.00

Benchmark Score

Overall Score

General gaming and workstation score

140 %
230 %
64% significantly better overall score

Flux Core frame rate

Volumetric ray casting test, a computationally expensive method of rendering high-quality scenes

281 FPS
564 FPS
283 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

208 FPS
348 FPS
139 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

252 FPS
496 FPS
244 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

121 FPS
212 FPS
91 FPS significantly higher Clouds frame rate

Free GPU Benchmark

Want to compare your graphics card against the Radeon RX 6900 XT and the Radeon RX 7900 XTX? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench 6 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

160417
198144
23% slightly higher Geekbench 6 (OpenCL) score
Geekbench 6 (Vulkan) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

167337
224083
33% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1825 MHz
1855 MHz
1% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

2250 MHz
2500 MHz
11% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

16 GiB
24 GiB
49% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit
384 Bit
49% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

512 GB/s
960 GB/s
87% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

300 W
18% slightly lower TDP
355 W

Pixel Rate

Number of pixels that can be rendered per second

288 Gigapixels/s
480 Gigapixels/s
66% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

720 Gigatexels/s
960 Gigatexels/s
33% slightly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

23.04 TFLOPS
61.42 TFLOPS
166% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

5120
6144
20% slightly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

320
384
20% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

128
192
49% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

7th of 549
1st of 549

Family

The product line

Radeon RX 6000 Series
Radeon RX 7000 Series

Release date

The official date of release of this chip

August 2020
December 2022

Memory Type

The type of memory used by this chip

GDDR6
GDDR6

DirectX Support

Maximum version of DirectX supported

12.0
12.0

OpenGL Support

Maximum version of OpenGL supported

4.6
4.6

Radeon RX 6900 XT vs Radeon RX 7900 XTX benchmarks

In our benchmarks, the Radeon RX 7900 XTX beats the Radeon RX 6900 XT in gaming performance.

Our database shows that the Radeon RX 7900 XTX has a slightly higher core clock speed. This is the frequency at which the graphics core is running at. While not necessarily an indicator of overall performance, this metric can be useful when comparing two GPUs based on the same architecture. In addition, the Radeon RX 7900 XTX also has a slightly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

Next up, in terms of GPU memory, the Radeon RX 7900 XTX has significantly more memory with 24 GiB of memory compared to 16 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 6900 XT has a slightly lower TDP at 300 W when compared to the Radeon RX 7900 XTX at 355 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 7900 XTX over the Radeon RX 6900 XT.

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