AMD Radeon RX 6900 XT vs AMD Radeon Vega 8

Compare AMD Radeon RX 6900 XT 16 GB vs AMD Radeon Vega 8, 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

14121 points

2281% significantly better overall score

593 points

Flux Core frame rate

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

286 FPS

273 FPS significantly higher Flux Core frame rate

13 FPS

Electron frame rate

Randomly generated noise sphere test

208 FPS

198 FPS significantly higher Electron frame rate

10 FPS

City frame rate

Procedurally generated city scene with voxel rendering

257 FPS

245 FPS significantly higher City frame rate

12 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

122 FPS

117 FPS significantly higher Clouds frame rate

5 FPS

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

4065 points

185% significantly higher 3DMark Graphics score

1426 points

Blender score

Cycles Render (Samples per minute)

2478.22 points

2695% significantly higher Blender score

88.64 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

170008 points

1840% significantly higher Geekbench 5 (OpenCL) score

8763 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

114610 points

1179% significantly higher Geekbench 5 (Vulkan) score

8956 points

Geekbench 6 (Metal) score

Metal compute benchmark

208130 points

1841% significantly higher Geekbench 6 (Metal) score

10718 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

167644 points

1703% significantly higher Geekbench 6 (OpenCL) score

9296 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

171121 points

1401% significantly higher Geekbench 6 (Vulkan) score

11397 points

Specifications

Core Clock Speed

Nominal chip frequency

1825 MHz

508% significantly higher core clock speed

300 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

2250 MHz

12% slightly higher boost clock speed

2000 MHz

TDP

Thermal Design Power: Measure of heat generated by the GPU

300 W

45 W

566% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

288 Gigapixels/s

1699% significantly higher pixel rate

16 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

720 Gigatexels/s

1024% significantly higher texture rate

64 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

23.04 TFLOPS

1024% significantly better floating point performance

2.05 TFLOPS

Shading Units

Number of processors dedicated to shader processing

5120

900% significantly more shading units

512

Texture Mapping Units

Number of processors dedicated to applying textures

320

900% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

128

1500% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

24th of 586

309th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2020 August

2021 January

Memory Type

The type of memory used by this chip

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon RX 6900 XT vs Radeon Vega 8 specs and performance

For gaming, the Radeon RX 6900 XT graphics card is better than the Radeon Vega 8 in our tests.

The Radeon RX 6900 XT has a significantly 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 6900 XT 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.

In addition, the Radeon Vega 8 has a significantly lower TDP at 45 W when compared to the Radeon RX 6900 XT at 300 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 6900 XT over the Radeon Vega 8.