AMD Radeon Vega 8 vs NVIDIA GeForce GTX 660

Compare AMD Radeon Vega 8 vs NVIDIA GeForce GTX 660 3 GB, 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

593 points

816 points

37% slightly better overall score

Flux Core frame rate

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

13 FPS

18 FPS

6 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

10 FPS

11 FPS

1 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

12 FPS

13 FPS

1 FPS slightly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

5 FPS

9 FPS

4 FPS significantly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

1426 points

8% slightly higher 3DMark Graphics score

1317 points

Blender score

Cycles Render (Samples per minute)

88.64 points

122.56 points

38% slightly higher Blender score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

8763 points

11381 points

29% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

8956 points

10693 points

19% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (Metal) score

Metal compute benchmark

10718 points

148% significantly higher Geekbench 6 (Metal) score

4311 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

9296 points

11353 points

22% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

11397 points

11858 points

4% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

300 MHz

980 MHz

226% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

2000 MHz

93% significantly higher boost clock speed

1032 MHz

TDP

Thermal Design Power: Measure of heat generated by the GPU

45 W

211% significantly lower TDP

140 W

Pixel Rate

Number of pixels that can be rendered per second

16 Gigapixels/s

20.64 Gigapixels/s

29% slightly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

64 Gigatexels/s

82.56 Gigatexels/s

29% slightly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

2.05 TFLOPS

3% slightly better floating point performance

1.98 TFLOPS

Shading Units

Number of processors dedicated to shader processing

512

960

87% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

150% 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

310th of 586

276th of 586

Release date

The official date of release of this chip

2021 January

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.6

4.5

Radeon Vega 8 vs GeForce GTX 660 specs and performance

For gaming, the GeForce GTX 660 graphics card is better than the Radeon Vega 8 in our tests.

Our database shows that the GeForce GTX 660 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. Despite this, the Radeon Vega 8 has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the Radeon Vega 8 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 8.