AMD Radeon R9 290X vs AMD Radeon RX 6400

Compare AMD Radeon R9 290X 4 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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AMD Radeon R9 290X

AMD Radeon RX 6400

Benchmark Score

Overall Score

General gaming and workstation score

1919 points

2% slightly better overall score

1864 points

Flux Core frame rate

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

43 FPS

1 FPS slightly higher Flux Core frame rate

42 FPS

Electron frame rate

Randomly generated noise sphere test

28 FPS

0 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

38 FPS

2 FPS slightly higher City frame rate

36 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

16 FPS

1 FPS slightly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3987 points

2361% significantly higher 3DMark Graphics score

162 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43342 points

29% slightly higher Geekbench 6 (OpenCL) score

33586 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

44042 points

7% slightly higher Geekbench 6 (Vulkan) score

41105 points

Specifications

Boost Clock Speed

Higher turbo frequency when power conditions are met

947 MHz

2321 MHz

145% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

4 GiB

Identical

4 GiB

Memory Bus Width

Number of parallel lines to the memory chips

512 Bit

700% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

320 GB/s

150% significantly higher memory bandwidth

128 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

250 W

53 W

371% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

64 Gigapixels/s

74.3 Gigapixels/s

16% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

176 Gigatexels/s

57% significantly higher texture rate

111.4 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

5.63 TFLOPS

57% significantly better floating point performance

3.57 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2816

266% significantly more shading units

768

Texture Mapping Units

Number of processors dedicated to applying textures

176

266% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

220th of 604

222nd of 604

Family

The product line

Radeon R9 200 Series

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

GDDR5

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon R9 290X vs Radeon RX 6400 comparison

According to the hardwareDB Benchmark, the Radeon R9 290X GPU is faster than the Radeon RX 6400 in gaming.

As stated by the manufacturer, they both have the same amount of memory at 4 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 6400 has a significantly lower TDP at 53 W when compared to the Radeon R9 290X at 250 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In terms of raw gaming performance in our GPU benchmark, the Radeon R9 290X is better than the Radeon RX 6400.