NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce GTX 645

Compare NVIDIA GeForce GTX 1080 Ti 11 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 645

Price

The cheapest price from our partner retailers

$ 399.00

$ 108.02

$ 290.98 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

6249 points

2004% significantly better overall score

297 points

Flux Core frame rate

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

129 FPS

122 FPS significantly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

104 FPS

100 FPS significantly higher Electron frame rate

4 FPS

City frame rate

Procedurally generated city scene with voxel rendering

82 FPS

78 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

83 FPS

79 FPS significantly higher Clouds frame rate

4 FPS

Free GPU Benchmark

Want to compare your graphics card against the GeForce GTX 1080 Ti 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)

861.25 points

1999% significantly higher Blender score

41.03 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

55628 points

1432% significantly higher Geekbench 5 (CUDA) score

3630 points

Geekbench 5 (Metal) score

Metal compute benchmark

30624 points

1027% significantly higher Geekbench 5 (Metal) score

2716 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

61295 points

1074% significantly higher Geekbench 5 (OpenCL) score

5217 points

Geekbench 6 (Metal) score

Metal compute benchmark

30624 points

443% significantly higher Geekbench 6 (Metal) score

5638 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

68849 points

1205% significantly higher Geekbench 6 (OpenCL) score

5274 points

Specifications

Memory

Onboard memory size for textures and vertices

11 GiB

1000% significantly more memory

1 GiB

TDP

Thermal Design Power: Measure of heat generated by the GPU

250 W

64 W

290% significantly lower TDP

Other details

Rank

Ranking in the hardwareDB database

77th of 586

377th of 586

Release date

The official date of release of this chip

2017 March

Memory Type

The type of memory used by this chip

GDDR5X

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.5

GeForce GTX 1080 Ti vs GeForce GTX 645 benchmarks

For gaming, the GeForce GTX 1080 Ti graphics card is better than the GeForce GTX 645 in our tests.

As stated by the manufacturer, the GeForce GTX 1080 Ti has significantly more memory with 11 GiB of memory compared to 1 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the GeForce GTX 645 has a significantly lower TDP at 64 W when compared to the GeForce GTX 1080 Ti at 250 W. TDP (Thermal Design Power) measures total heat output from the chip.

In conclusion, all specs and GPU benchmarks considered, will recommend the GeForce GTX 1080 Ti over the GeForce GTX 645.