AMD Radeon RX 6600 XT vs NVIDIA GeForce RTX 4080 Laptop

Compare AMD Radeon RX 6600 XT 8 GB vs NVIDIA GeForce RTX 4080 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 XT

NVIDIA GeForce RTX 4080 Laptop

Benchmark Score

Overall Score

General gaming and workstation score

5600 points

11108 points

98% significantly better overall score

Flux Core frame rate

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

116 FPS

285 FPS

169 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

85 FPS

140 FPS

54 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

102 FPS

193 FPS

91 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

49 FPS

110 FPS

62 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

1068.60 points

5482.15 points

413% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

82739 points

159842 points

93% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

93271 points

145828 points

56% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1968 MHz

52% significantly higher core clock speed

1290 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

2589 MHz

55% significantly higher boost clock speed

1665 MHz

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

192 Bit

49% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

256 GB/s

432 GB/s

68% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

160 W

110 W

45% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

165.7 Gigapixels/s

24% slightly higher pixel rate

133.2 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

331.4 Gigatexels/s

386.3 Gigatexels/s

16% slightly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

10.6 TFLOPS

24.72 TFLOPS

133% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2048

7424

262% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

128

232

81% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

25% slightly more render output processors

Other details

Rank

Ranking in the hardwareDB database

90th of 586

34th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2021 November

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 XT vs GeForce RTX 4080 Laptop specs and performance

For gaming, the GeForce RTX 4080 Laptop graphics card is better than the Radeon RX 6600 XT in our tests.

In our comparison, the Radeon RX 6600 XT has a significantly 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 XT 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 4080 Laptop has a significantly lower TDP at 110 W when compared to the Radeon RX 6600 XT at 160 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 Laptop over the Radeon RX 6600 XT.