AMD Radeon RX 640 vs AMD Radeon HD 8490

Compare AMD Radeon RX 640 4 GB vs AMD Radeon HD 8490 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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GPU Comparison

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AMD Radeon HD 8490

Price

The cheapest price from our partner retailers

$ 199.99

$ 39.00

$ 160.99 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

556 points

6077% significantly better overall score

9 points

Flux Core frame rate

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

14 FPS

12 FPS significantly higher Flux Core frame rate

1 FPS

Electron frame rate

Randomly generated noise sphere test

9 FPS

8 FPS significantly higher Electron frame rate

1 FPS

City frame rate

Procedurally generated city scene with voxel rendering

13 FPS

12 FPS significantly higher City frame rate

1 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

4 FPS

3 FPS significantly higher Clouds frame rate

0 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

15883 points

1670% significantly higher Geekbench 5 (OpenCL) score

897 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

14348 points

1545% significantly higher Geekbench 6 (OpenCL) score

872 points

Specifications

Core Clock Speed

Nominal chip frequency

1082 MHz

23% slightly higher core clock speed

875 MHz

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

35 W

42% much lower TDP

Other details

Rank

Ranking in the hardwareDB database

318th of 586

570th of 586

Family

The product line

Radeon 600 Series

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

4.4

Radeon RX 640 vs Radeon HD 8490 benchmarks

According to the hardwareDB Benchmark, the Radeon RX 640 GPU is faster than the Radeon HD 8490 in gaming.

The Radeon RX 640 has a slightly higher core clock speed. This is the frequency at which the graphics core is running at. While not necessarily an indicator of overall performance, this metric can be useful when comparing two GPUs based on the same architecture.

As stated by the manufacturer, the Radeon RX 640 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 HD 8490 has a much lower TDP at 35 W when compared to the Radeon RX 640 at 50 W. TDP (Thermal Design Power) measures total heat output from the chip.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 640 over the Radeon HD 8490.