AMD Radeon RX 6600 vs NVIDIA GeForce RTX 4090 Laptop

Compare AMD Radeon RX 6600 8 GB vs NVIDIA GeForce RTX 4090 Laptop, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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GPU Comparison

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AMD Radeon RX 6600

NVIDIA GeForce RTX 4090 Laptop

Benchmark Score

Overall Score

General gaming and workstation score

4302 points

14473 points

236% significantly better overall score

Flux Core frame rate

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

86 FPS

355 FPS

269 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

65 FPS

182 FPS

117 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

78 FPS

253 FPS

176 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

37 FPS

145 FPS

109 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

969.87 points

7059.26 points

627% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

73158 points

181715 points

148% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

86589 points

172409 points

99% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1626 MHz

21% slightly higher core clock speed

1335 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

2491 MHz

46% significantly higher boost clock speed

1695 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

224 GB/s

576 GB/s

157% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

132 W

120 W

10% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

159.4 Gigapixels/s

189.8 Gigapixels/s

19% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

279 Gigatexels/s

515.3 Gigatexels/s

84% significantly higher texture rate

Shading Units

Number of processors dedicated to shader processing

1792

9728

442% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

112

304

171% 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

117th of 586

19th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2021 October

2023 January

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 GeForce RTX 4090 Laptop comparison

For gaming, the GeForce RTX 4090 Laptop graphics card is better than the Radeon RX 6600 in our tests.

Our database shows that the Radeon RX 6600 has a slightly higher core clock speed. This is the frequency at which the graphics core is running at. While not necessarily an indicator of overall performance, this metric can be useful when comparing two GPUs based on the same architecture. In addition, the Radeon RX 6600 also has a significantly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

In addition, the GeForce RTX 4090 Laptop has a slightly lower TDP at 120 W when compared to the Radeon RX 6600 at 132 W. TDP (Thermal Design Power) measures total heat output from the chip.

In terms of raw gaming performance in our GPU benchmark, the GeForce RTX 4090 Laptop is better than the Radeon RX 6600.