NVIDIA GeForce GTX 950 vs NVIDIA GeForce GTX 645

Compare NVIDIA GeForce GTX 950 2 GB vs NVIDIA GeForce GTX 645 1 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Other Benchmarks
Specifications
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NVIDIA GeForce GTX 645

Price

The cheapest price from our partner retailers

$ 255.00

$ 108.02

$ 146.98 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

1038 points

249% significantly better overall score

297 points

Flux Core frame rate

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

22 FPS

14 FPS significantly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

16 FPS

12 FPS significantly higher Electron frame rate

4 FPS

City frame rate

Procedurally generated city scene with voxel rendering

15 FPS

11 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

13 FPS

9 FPS significantly higher Clouds frame rate

4 FPS

Free GPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

122.99 points

199% significantly higher Blender score

41.03 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

15998 points

340% significantly higher Geekbench 5 (CUDA) score

3630 points

Geekbench 5 (Metal) score

Metal compute benchmark

7172 points

164% significantly higher Geekbench 5 (Metal) score

2716 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

18233 points

249% significantly higher Geekbench 5 (OpenCL) score

5217 points

Geekbench 6 (Metal) score

Metal compute benchmark

7172 points

27% slightly higher Geekbench 6 (Metal) score

5638 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

16999 points

222% significantly higher Geekbench 6 (OpenCL) score

5274 points

Specifications

Memory

Onboard memory size for textures and vertices

2 GiB

100% significantly more memory

1 GiB

TDP

Thermal Design Power: Measure of heat generated by the GPU

90 W

64 W

40% slightly lower TDP

Other details

Rank

Ranking in the hardwareDB database

264th of 590

381st of 590

Release date

The official date of release of this chip

2015 August

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.5

GeForce GTX 950 vs GeForce GTX 645 comparison

According to the hardwareDB Benchmark, the GeForce GTX 950 GPU is faster than the GeForce GTX 645 in gaming.

Furthermore, the spec sheet for both these GPUs show that the GeForce GTX 950 has significantly more memory with 2 GiB of memory compared to 1 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the GeForce GTX 645 has a slightly lower TDP at 64 W when compared to the GeForce GTX 950 at 90 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the GeForce GTX 950 is faster than the GeForce GTX 645.