AMD Radeon HD 8490 vs AMD Radeon RX 6400

Compare AMD Radeon HD 8490 1 GB vs AMD Radeon RX 6400 4 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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AMD Radeon RX 6400

Price

The cheapest price from our partner retailers

$ 39.00

$ 91.03 significantly less expensive

$ 130.03

Benchmark Score

Overall Score

General gaming and workstation score

9 points

1845 points

20399% significantly better overall score

Flux Core frame rate

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

1 FPS

42 FPS

41 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

1 FPS

28 FPS

27 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

1 FPS

36 FPS

35 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

0 FPS

16 FPS

15 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

872 points

33586 points

3751% significantly higher Geekbench 6 (OpenCL) score

Specifications

Core Clock Speed

Nominal chip frequency

875 MHz

1923 MHz

119% significantly higher core clock speed

Memory

Onboard memory size for textures and vertices

1 GiB

4 GiB

300% significantly more memory

TDP

Thermal Design Power: Measure of heat generated by the GPU

35 W

51% significantly lower TDP

53 W

Other details

Rank

Ranking in the hardwareDB database

569th of 586

217th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2022 January

Memory Type

The type of memory used by this chip

GDDR6

DirectX Support

Maximum version of DirectX supported

11.0

12.0

OpenGL Support

Maximum version of OpenGL supported

4.4

4.6

Radeon HD 8490 vs Radeon RX 6400 benchmarks

According to the hardwareDB Benchmark, the Radeon RX 6400 GPU is faster than the Radeon HD 8490 in gaming.

In our comparison, the Radeon RX 6400 has a significantly 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.

Furthermore, the spec sheet for both these GPUs show that the Radeon RX 6400 has significantly more memory with 4 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 Radeon HD 8490 has a significantly lower TDP at 35 W when compared to the Radeon RX 6400 at 53 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 6400 over the Radeon HD 8490.