NVIDIA GeForce GTX 645 vs AMD Radeon HD 6870

Compare NVIDIA GeForce GTX 645 1 GB vs AMD Radeon HD 6870 1 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

GPU Comparison

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Benchmark Score

Overall Score

General gaming and workstation score

297 points
528 points
77% significantly better overall score

Flux Core frame rate

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

8 FPS
13 FPS
5 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

4 FPS
11 FPS
7 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

4 FPS
8 FPS
4 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS
Identical
4 FPS

Free GPU Benchmark

Want to compare your graphics card against the GeForce GTX 645 and the Radeon HD 6870? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench 5 (OpenCL) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

5217 points
5% slightly higher Geekbench 5 (OpenCL) score
4950 points
Geekbench 6 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

5274 points
6% slightly higher Geekbench 6 (OpenCL) score
4950 points

Specifications

Memory

Onboard memory size for textures and vertices

1 GiB
Identical
1 GiB

Other details

Rank

Ranking in the hardwareDB database

379th of 586
322nd of 586

Family

The product line

-
Radeon HD 6000 Series

DirectX Support

Maximum version of DirectX supported

11.0
-

OpenGL Support

Maximum version of OpenGL supported

4.5
-

GeForce GTX 645 vs Radeon HD 6870 benchmarks

According to the hardwareDB Benchmark, the Radeon HD 6870 GPU is faster than the GeForce GTX 645 in gaming.

Furthermore, the spec sheet for both these GPUs show that they both have the same amount of memory at 1 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In terms of raw gaming performance in our GPU benchmark, the Radeon HD 6870 is better than the GeForce GTX 645.

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