AMD Radeon RX 6600 XT vs AMD Radeon RX 590 GME

Compare AMD Radeon RX 6600 XT 8 GB vs AMD Radeon RX 590 GME, 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

5600 points

163% significantly better overall score

2123 points

Flux Core frame rate

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

116 FPS

73 FPS significantly higher Flux Core frame rate

42 FPS

Electron frame rate

Randomly generated noise sphere test

85 FPS

54 FPS significantly higher Electron frame rate

32 FPS

City frame rate

Procedurally generated city scene with voxel rendering

102 FPS

56 FPS significantly higher City frame rate

46 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

49 FPS

31 FPS significantly higher Clouds frame rate

17 FPS

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

9727 points

874% significantly higher 3DMark Graphics score

998 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

82559 points

69% significantly higher Geekbench 5 (OpenCL) score

48735 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

82739 points

106% significantly higher Geekbench 6 (OpenCL) score

40056 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

93271 points

54% significantly higher Geekbench 6 (Vulkan) score

60508 points

Specifications

Core Clock Speed

Nominal chip frequency

1968 MHz

56% significantly higher core clock speed

1257 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

2589 MHz

87% significantly higher boost clock speed

1380 MHz

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

256 Bit

100% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

256 GB/s

Identical

256 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

160 W

9% slightly lower TDP

175 W

Pixel Rate

Number of pixels that can be rendered per second

165.7 Gigapixels/s

275% significantly higher pixel rate

44.16 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

331.4 Gigatexels/s

66% significantly higher texture rate

198.7 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

10.6 TFLOPS

66% significantly better floating point performance

6.36 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2048

2304

12% slightly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

128

144

12% slightly 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

90th of 586

201st of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2021 November

2020 March

Memory Type

The type of memory used by this chip

GDDR6

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon RX 6600 XT vs Radeon RX 590 GME comparison

In our benchmarks, the Radeon RX 6600 XT beats the Radeon RX 590 GME in gaming performance.

The Radeon RX 6600 XT has a significantly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. In addition, the Radeon RX 6600 XT also has a significantly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

In addition, the Radeon RX 6600 XT has a slightly lower TDP at 160 W when compared to the Radeon RX 590 GME at 175 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 6600 XT over the Radeon RX 590 GME.