AMD Radeon RX 6600 vs AMD Radeon RX 7900 GRE

Compare AMD Radeon RX 6600 8 GB vs AMD Radeon RX 7900 GRE 16 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 7900 GRE

Price

The cheapest price from our partner retailers

$ 200.88

$ 339.11 significantly less expensive

$ 539.99

Benchmark Score

Overall Score

General gaming and workstation score

4302 points

18321 points

325% significantly better overall score

Flux Core frame rate

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

86 FPS

374 FPS

287 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

65 FPS

261 FPS

197 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

78 FPS

344 FPS

266 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

37 FPS

151 FPS

115 FPS significantly higher Clouds frame rate

Free GPU Benchmark

Want to compare your graphics card against the Radeon RX 6600 and the Radeon RX 7900 GRE? Download our free and quick PC Performance Test.

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

8131 points

69% significantly higher 3DMark Graphics score

4804 points

Blender score

Cycles Render (Samples per minute)

969.87 points

2797.04 points

188% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

73158 points

168118 points

129% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

86589 points

186034 points

114% significantly higher Geekbench 6 (Vulkan) score

Specifications

Boost Clock Speed

Higher turbo frequency when power conditions are met

2491 MHz

10% slightly higher boost clock speed

2245 MHz

Memory

Onboard memory size for textures and vertices

8 GiB

16 GiB

100% significantly more memory

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

224 GB/s

576 GB/s

157% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

132 W

96% significantly lower TDP

260 W

Floating Point Performance

Raw number of floating point operations per second

8.93 TFLOPS

46 TFLOPS

415% significantly better floating point performance

Other details

Rank

Ranking in the hardwareDB database

117th of 586

12th of 586

Family

The product line

Radeon RX 6000 Series

Radeon RX 7000 Series

Release date

The official date of release of this chip

2021 October

2023 July

Memory Type

The type of memory used by this chip

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon RX 6600 vs Radeon RX 7900 GRE benchmarks

In our benchmarks, the Radeon RX 7900 GRE beats the Radeon RX 6600 in gaming performance.

Furthermore, the spec sheet for both these GPUs show that the Radeon RX 7900 GRE has significantly more memory with 16 GiB of memory compared to 8 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 RX 6600 has a significantly lower TDP at 132 W when compared to the Radeon RX 7900 GRE at 260 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In terms of raw gaming performance in our GPU benchmark, the Radeon RX 7900 GRE is better than the Radeon RX 6600.

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