NVIDIA GeForce GTX 660 vs AMD Radeon Vega 6

Compare NVIDIA GeForce GTX 660 3 GB vs AMD Radeon Vega 6, 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

816 points

159% significantly better overall score

315 points

Flux Core frame rate

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

18 FPS

11 FPS significantly higher Flux Core frame rate

8 FPS

Electron frame rate

Randomly generated noise sphere test

11 FPS

5 FPS significantly higher Electron frame rate

6 FPS

City frame rate

Procedurally generated city scene with voxel rendering

13 FPS

6 FPS significantly higher City frame rate

6 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

3DMark Graphics score

High-end graphics benchmark

1317 points

60% significantly higher 3DMark Graphics score

823 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

11381 points

62% significantly higher Geekbench 5 (OpenCL) score

7003 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

10693 points

57% significantly higher Geekbench 5 (Vulkan) score

6797 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

11353 points

57% significantly higher Geekbench 6 (OpenCL) score

7199 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

11858 points

73% significantly higher Geekbench 6 (Vulkan) score

6854 points

Specifications

Core Clock Speed

Nominal chip frequency

980 MHz

226% significantly higher core clock speed

300 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1032 MHz

1700 MHz

64% significantly higher boost clock speed

TDP

Thermal Design Power: Measure of heat generated by the GPU

140 W

45 W

211% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

20.64 Gigapixels/s

51% significantly higher pixel rate

13.6 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

82.56 Gigatexels/s

102% significantly higher texture rate

40.8 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

200% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

276th of 586

374th of 586

Release date

The official date of release of this chip

2021 April

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 Vega 6 benchmarks

According to the hardwareDB Benchmark, the GeForce GTX 660 GPU is faster than the Radeon Vega 6 in gaming.

Our database shows that the GeForce GTX 660 has a significantly 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. Despite this, the Radeon Vega 6 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 Vega 6 has a significantly lower TDP at 45 W when compared to the GeForce GTX 660 at 140 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 GTX 660 over the Radeon Vega 6.