NVIDIA GeForce GTX 745 vs NVIDIA GeForce GTX 645

Compare NVIDIA GeForce GTX 745 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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Benchmark Score

Overall Score

General gaming and workstation score

325 points
9% slightly better overall score
297 points

Flux Core frame rate

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

6 FPS
8 FPS
1 FPS slightly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

5 FPS
1 FPS slightly higher Electron frame rate
4 FPS

City frame rate

Procedurally generated city scene with voxel rendering

5 FPS
1 FPS slightly higher City frame rate
4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS
0 FPS slightly higher Clouds frame rate
4 FPS

Free GPU Benchmark

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

54.07 points
31% slightly higher Blender score
41.03 points
Geekbench 5 (CUDA) score

Geekbench 5 (CUDA) score

CUDA compute benchmark

6443 points
77% significantly higher Geekbench 5 (CUDA) score
3630 points
Geekbench 5 (Metal) score

Geekbench 5 (Metal) score

Metal compute benchmark

2777 points
2% slightly higher Geekbench 5 (Metal) score
2716 points
Geekbench 5 (OpenCL) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

6300 points
20% slightly higher Geekbench 5 (OpenCL) score
5217 points
Geekbench 6 (Metal) score

Geekbench 6 (Metal) score

Metal compute benchmark

2777 points
5638 points
103% significantly higher Geekbench 6 (Metal) score
Geekbench 6 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

6165 points
16% slightly higher Geekbench 6 (OpenCL) score
5274 points

Specifications

TDP

Thermal Design Power: Measure of heat generated by the GPU

55 W
16% slightly lower TDP
64 W

Other details

Rank

Ranking in the hardwareDB database

366th of 586
379th of 586

Release date

The official date of release of this chip

2014 February
-

Memory Type

The type of memory used by this chip

DDR3
-

DirectX Support

Maximum version of DirectX supported

12.0
11.0

OpenGL Support

Maximum version of OpenGL supported

4.6
4.5

GeForce GTX 745 vs GeForce GTX 645 comparison

In our benchmarks, the GeForce GTX 645 beats the GeForce GTX 745 in gaming performance.

In addition, the GeForce GTX 745 has a slightly lower TDP at 55 W when compared to the GeForce GTX 645 at 64 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the GeForce GTX 645 is faster than the GeForce GTX 745.

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