NVIDIA GeForce GTX 970 vs NVIDIA GeForce GTX 645

Compare NVIDIA GeForce GTX 970 4 GB vs NVIDIA GeForce GTX 645 1 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
Comments (0)
Popular Comparisons

GPU Comparison

Quickly search and compare graphics cards

NVIDIA GeForce GTX 970

NVIDIA GeForce GTX 645

Price

The cheapest price from our partner retailers

$ 369.00

$ 108.02

$ 260.98 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

2262 points

661% significantly better overall score

297 points

Flux Core frame rate

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

47 FPS

39 FPS significantly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

35 FPS

31 FPS significantly higher Electron frame rate

4 FPS

City frame rate

Procedurally generated city scene with voxel rendering

31 FPS

27 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

28 FPS

24 FPS significantly higher Clouds frame rate

4 FPS

Free GPU Benchmark

Want to compare your graphics card against the GeForce GTX 970 and the GeForce GTX 645? Download our free and quick PC Performance Test.

Download GPU Benchmark

Other Benchmarks

Blender score

Cycles Render (Samples per minute)

289.94 points

606% significantly higher Blender score

41.03 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

25908 points

613% significantly higher Geekbench 5 (CUDA) score

3630 points

Geekbench 5 (Metal) score

Metal compute benchmark

13595 points

400% significantly higher Geekbench 5 (Metal) score

2716 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

29153 points

458% significantly higher Geekbench 5 (OpenCL) score

5217 points

Geekbench 6 (Metal) score

Metal compute benchmark

13595 points

141% significantly higher Geekbench 6 (Metal) score

5638 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

29277 points

455% significantly higher Geekbench 6 (OpenCL) score

5274 points

Specifications

Memory

Onboard memory size for textures and vertices

4 GiB

300% significantly more memory

1 GiB

TDP

Thermal Design Power: Measure of heat generated by the GPU

145 W

64 W

126% significantly lower TDP

Other details

Rank

Ranking in the hardwareDB database

193rd of 586

380th of 586

Release date

The official date of release of this chip

2014 September

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 970 vs GeForce GTX 645 comparison

In our benchmarks, the GeForce GTX 970 beats the GeForce GTX 645 in gaming performance.

As stated by the manufacturer, the GeForce GTX 970 has significantly more memory with 4 GiB of memory compared to 1 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the GeForce GTX 645 has a significantly lower TDP at 64 W when compared to the GeForce GTX 970 at 145 W. TDP (Thermal Design Power) measures total heat output from the chip.

In terms of raw gaming performance in our GPU benchmark, the GeForce GTX 970 is better than the GeForce GTX 645.