NVIDIA GeForce GTX 645 vs AMD Radeon HD 8400

Compare NVIDIA GeForce GTX 645 1 GB vs AMD Radeon HD 8400, specs and GPU benchmark score. Which is the better graphics card for the money?

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Benchmark Score

Overall Score

General gaming and workstation score

297 points
960% significantly better overall score
28 points

Flux Core frame rate

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

8 FPS
7 FPS significantly higher Flux Core frame rate
1 FPS

Electron frame rate

Randomly generated noise sphere test

4 FPS
3 FPS significantly higher Electron frame rate
0 FPS

City frame rate

Procedurally generated city scene with voxel rendering

4 FPS
3 FPS significantly higher City frame rate
0 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS
4 FPS significantly higher Clouds frame rate
0 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

5217 points
190% significantly higher Geekbench 5 (OpenCL) score
1796 points
Geekbench 6 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

5274 points
275% significantly higher Geekbench 6 (OpenCL) score
1404 points

Specifications

TDP

Thermal Design Power: Measure of heat generated by the GPU

64 W
25 W
156% significantly lower TDP

Other details

Rank

Ranking in the hardwareDB database

377th of 586
554th of 586

DirectX Support

Maximum version of DirectX supported

11.0
12.0

OpenGL Support

Maximum version of OpenGL supported

4.5
4.6

GeForce GTX 645 vs Radeon HD 8400 specs and performance

For gaming, the GeForce GTX 645 graphics card is better than the Radeon HD 8400 in our tests.

In addition, the Radeon HD 8400 has a significantly lower TDP at 25 W when compared to the GeForce GTX 645 at 64 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 GeForce GTX 645 over the Radeon HD 8400.

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