AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090 D

Compare AMD Radeon RX 7900 XT 20 GB vs NVIDIA GeForce RTX 4090 D 24 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

19220 points

22391 points

16% slightly better overall score

Flux Core frame rate

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

393 FPS

485 FPS

92 FPS slightly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

273 FPS

275 FPS

1 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

362 FPS

380 FPS

19 FPS slightly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

158 FPS

229 FPS

71 FPS significantly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

5616 points

8612 points

53% significantly higher 3DMark Graphics score

Blender score

Cycles Render (Samples per minute)

3540.90 points

10629.29 points

200% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

187759 points

276510 points

47% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

213258 points

241275 points

13% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1800 MHz

2280 MHz

26% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

2400 MHz

2520 MHz

5% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

20 GiB

24 GiB

20% slightly more memory

Memory Bus Width

Number of parallel lines to the memory chips

384 Bit

Identical

384 Bit

TDP

Thermal Design Power: Measure of heat generated by the GPU

315 W

34% slightly lower TDP

425 W

Pixel Rate

Number of pixels that can be rendered per second

460 Gigapixels/s

3% slightly higher pixel rate

443.5 Gigapixels/s

Shading Units

Number of processors dedicated to shader processing

12288

14592

18% slightly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

768

68% significantly more texture mapping units

456

Render Output Processors

Number of processors dedicated to final pixel rendering

192

9% slightly more render output processors

176

Other details

Rank

Ranking in the hardwareDB database

10th of 586

5th of 586

Family

The product line

Radeon RX 7000 Series

Release date

The official date of release of this chip

2022 December

2023 December

Memory Type

The type of memory used by this chip

GDDR6

GDDR6X

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon RX 7900 XT vs GeForce RTX 4090 D benchmarks

In our benchmarks, the GeForce RTX 4090 D beats the Radeon RX 7900 XT in gaming performance.

The GeForce RTX 4090 D has a slightly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. In addition, the GeForce RTX 4090 D also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Furthermore, the spec sheet for both these GPUs show that the GeForce RTX 4090 D has slightly more memory with 24 GiB of memory compared to 20 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the Radeon RX 7900 XT has a slightly lower TDP at 315 W when compared to the GeForce RTX 4090 D at 425 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In terms of raw gaming performance in our GPU benchmark, the GeForce RTX 4090 D is better than the Radeon RX 7900 XT.