AMD Radeon RX 550X vs NVIDIA GeForce GTX 645

Compare AMD Radeon RX 550X 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
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NVIDIA GeForce GTX 645

Price

The cheapest price from our partner retailers

$ 254.31

$ 108.02

$ 146.29 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

464 points

56% significantly better overall score

297 points

Flux Core frame rate

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

11 FPS

3 FPS significantly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

8 FPS

4 FPS significantly higher Electron frame rate

4 FPS

City frame rate

Procedurally generated city scene with voxel rendering

12 FPS

8 FPS significantly higher City frame rate

4 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS

Identical

4 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

12373 points

137% significantly higher Geekbench 5 (OpenCL) score

5217 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

11245 points

113% 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

50 W

28% slightly lower TDP

64 W

Other details

Rank

Ranking in the hardwareDB database

334th of 586

379th of 586

Family

The product line

Radeon RX 500X Series

Release date

The official date of release of this chip

2018 March

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

4.6

4.5

Radeon RX 550X vs GeForce GTX 645 specs and performance

In our benchmarks, the Radeon RX 550X beats the GeForce GTX 645 in gaming performance.

As stated by the manufacturer, the Radeon RX 550X has significantly more memory with 4 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 Radeon RX 550X has a slightly lower TDP at 50 W when compared to the GeForce GTX 645 at 64 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

According to the results of the hardwareDB benchmark utility, the Radeon RX 550X is faster than the GeForce GTX 645.