AMD Radeon RX 6800 vs NVIDIA GeForce RTX 4090 Laptop

Compare AMD Radeon RX 6800 16 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 6800

NVIDIA GeForce RTX 4090 Laptop

Benchmark Score

Overall Score

General gaming and workstation score

9568 points

14473 points

51% significantly better overall score

Flux Core frame rate

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

196 FPS

355 FPS

159 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

143 FPS

182 FPS

39 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

173 FPS

253 FPS

81 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

83 FPS

145 FPS

62 FPS significantly higher Clouds frame rate

Free GPU Benchmark

Want to compare your graphics card against the Radeon RX 6800 and the GeForce RTX 4090 Laptop? Download our free and quick PC Performance Test.

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

1896.07 points

7059.26 points

272% significantly higher Blender score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

130005 points

181715 points

39% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

133046 points

172409 points

29% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1815 MHz

35% slightly higher core clock speed

1335 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

2105 MHz

24% slightly higher boost clock speed

1695 MHz

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

Identical

256 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

512 GB/s

576 GB/s

12% slightly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

250 W

120 W

108% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

202.1 Gigapixels/s

6% slightly higher pixel rate

189.8 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

505.2 Gigatexels/s

515.3 Gigatexels/s

1% slightly higher texture rate

Shading Units

Number of processors dedicated to shader processing

3840

9728

153% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

240

304

26% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

112

16% slightly more render output processors

Other details

Rank

Ranking in the hardwareDB database

41st of 586

19th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2020 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 6800 vs GeForce RTX 4090 Laptop comparison

In our benchmarks, the GeForce RTX 4090 Laptop beats the Radeon RX 6800 in gaming performance.

In our comparison, the Radeon RX 6800 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 6800 also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the GeForce RTX 4090 Laptop has a significantly lower TDP at 120 W when compared to the Radeon RX 6800 at 250 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In conclusion, all specs and GPU benchmarks considered, will recommend the GeForce RTX 4090 Laptop over the Radeon RX 6800.