NVIDIA GeForce GTX 660 vs AMD Radeon 660M

Compare NVIDIA GeForce GTX 660 3 GB vs AMD Radeon 660M, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

816 points

60% significantly better overall score

510 points

Flux Core frame rate

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

18 FPS

4 FPS significantly higher Flux Core frame rate

14 FPS

Electron frame rate

Randomly generated noise sphere test

11 FPS

1 FPS slightly higher Electron frame rate

10 FPS

City frame rate

Procedurally generated city scene with voxel rendering

13 FPS

4 FPS significantly higher City frame rate

9 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

9 FPS

6 FPS significantly higher Clouds frame rate

3 FPS

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

122.56 points

32% slightly higher Blender score

92.56 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

11353 points

12863 points

13% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

11858 points

18711 points

57% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

980 MHz

1500 MHz

53% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1032 MHz

1900 MHz

84% significantly higher boost clock speed

TDP

Thermal Design Power: Measure of heat generated by the GPU

140 W

15 W

833% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

20.64 Gigapixels/s

30.4 Gigapixels/s

47% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

82.56 Gigatexels/s

81% significantly higher texture rate

45.6 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

960

150% significantly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

233% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

49% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

286th of 604

335th of 604

Release date

The official date of release of this chip

2022 January

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

11.0

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

GeForce GTX 660 vs Radeon 660M benchmarks

For gaming, the GeForce GTX 660 graphics card is better than the Radeon 660M in our tests.

Our database shows that the Radeon 660M 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 660M also has a significantly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

In addition, the Radeon 660M has a significantly lower TDP at 15 W when compared to the GeForce GTX 660 at 140 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 GeForce GTX 660 is better than the Radeon 660M.