AMD Radeon RX 6600M vs NVIDIA GeForce RTX 4080 SUPER

Compare AMD Radeon RX 6600M 8 GB vs NVIDIA GeForce RTX 4080 SUPER 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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Benchmark Score

Overall Score

General gaming and workstation score

3903 points

21492 points

450% significantly better overall score

Flux Core frame rate

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

92 FPS

514 FPS

422 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

57 FPS

248 FPS

191 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

77 FPS

358 FPS

281 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

36 FPS

201 FPS

165 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

8165 points

23% slightly higher 3DMark Graphics score

6612 points

Blender score

Cycles Render (Samples per minute)

902.13 points

8420.29 points

833% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

70251 points

247624 points

252% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

75065 points

227105 points

202% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

2068 MHz

2205 MHz

6% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

2416 MHz

2505 MHz

3% slightly higher boost clock speed

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

716.8 GB/s

220% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

100 W

239% significantly lower TDP

340 W

Pixel Rate

Number of pixels that can be rendered per second

154.6 Gigapixels/s

280.6 Gigapixels/s

81% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

274.2 Gigatexels/s

801.6 Gigatexels/s

192% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

1792

10240

471% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

112

320

185% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

112

75% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

126th of 597

6th of 597

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2021 May

Memory Type

The type of memory used by this chip

GDDR6

GDDR6X

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.6

Radeon RX 6600M vs GeForce RTX 4080 SUPER specs and performance

According to the hardwareDB Benchmark, the GeForce RTX 4080 SUPER GPU is faster than the Radeon RX 6600M in gaming.

Our database shows that the GeForce RTX 4080 SUPER has a slightly 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 GeForce RTX 4080 SUPER also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

As stated by the manufacturer, the GeForce RTX 4080 SUPER has significantly more memory with 16 GiB of memory compared to 8 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 6600M has a significantly lower TDP at 100 W when compared to the GeForce RTX 4080 SUPER at 340 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 conclusion, all specs and GPU benchmarks considered, will recommend the GeForce RTX 4080 SUPER over the Radeon RX 6600M.

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