AMD Radeon R7 450 vs NVIDIA GeForce GTX 645

Compare AMD Radeon R7 450 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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Specifications
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GPU Comparison

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NVIDIA GeForce GTX 645

Price

The cheapest price from our partner retailers

$ 149.99

$ 108.02

$ 41.97 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

297 points

Identical

297 points

Flux Core frame rate

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

8 FPS

0 FPS slightly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

4 FPS

0 FPS slightly higher Electron frame rate

4 FPS

City frame rate

Procedurally generated city scene with voxel rendering

6 FPS

2 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

4 FPS

2 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

10702 points

105% significantly higher Geekbench 5 (OpenCL) score

5217 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

10058 points

90% 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

65 W

64 W

1% slightly lower TDP

Other details

Rank

Ranking in the hardwareDB database

379th of 586

380th of 586

Release date

The official date of release of this chip

2016 June

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

4.3

4.5

Radeon R7 450 vs GeForce GTX 645 benchmarks

In our benchmarks, the GeForce GTX 645 beats the Radeon R7 450 in gaming performance.

Next up, in terms of GPU memory, the Radeon R7 450 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 Radeon R7 450 at 65 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In conclusion, all specs and GPU benchmarks considered, will recommend the GeForce GTX 645 over the Radeon R7 450.