AMD Radeon R9 290X vs AMD Radeon RX 6600 XT

Compare AMD Radeon R9 290X 4 GB vs AMD Radeon RX 6600 XT 8 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

1901 points

5600 points

194% significantly better overall score

Flux Core frame rate

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

44 FPS

116 FPS

71 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

28 FPS

85 FPS

57 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

39 FPS

102 FPS

63 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

15 FPS

49 FPS

33 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3987 points

9727 points

143% significantly higher 3DMark Graphics score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

43067 points

82559 points

91% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

48969 points

64460 points

31% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43342 points

82739 points

90% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

44042 points

93271 points

111% significantly higher Geekbench 6 (Vulkan) score

Specifications

Boost Clock Speed

Higher turbo frequency when power conditions are met

947 MHz

2589 MHz

173% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

4 GiB

8 GiB

100% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

512 Bit

300% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

320 GB/s

25% slightly higher memory bandwidth

256 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

250 W

160 W

56% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

64 Gigapixels/s

165.7 Gigapixels/s

158% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

176 Gigatexels/s

331.4 Gigatexels/s

88% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

5.63 TFLOPS

10.6 TFLOPS

88% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2816

37% slightly more shading units

2048

Texture Mapping Units

Number of processors dedicated to applying textures

176

37% slightly more texture mapping units

128

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

220th of 604

91st of 604

Family

The product line

Radeon R9 200 Series

Radeon RX 6000 Series

Release date

The official date of release of this chip

2021 November

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 6600 XT comparison

In our benchmarks, the Radeon RX 6600 XT beats the Radeon R9 290X in gaming performance.

As stated by the manufacturer, the Radeon RX 6600 XT has significantly more memory with 8 GiB of memory compared to 4 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 6600 XT has a significantly lower TDP at 160 W when compared to the Radeon R9 290X at 250 W. TDP (Thermal Design Power) measures total heat output from the chip.

In terms of raw gaming performance in our GPU benchmark, the Radeon RX 6600 XT is better than the Radeon R9 290X.