NVIDIA GeForce GTX 660M vs AMD Radeon R5 340X

Compare NVIDIA GeForce GTX 660M 2 GB vs AMD Radeon R5 340X, 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

223 points

232 points

4% slightly better overall score

Flux Core frame rate

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

5 FPS

6 FPS

0 FPS slightly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

3 FPS

0 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

3 FPS

5 FPS

1 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

2 FPS

1 FPS significantly higher Clouds frame rate

1 FPS

Free GPU Benchmark

Want to compare your graphics card against the GeForce GTX 660M and the Radeon R5 340X? Download our free and quick PC Performance Test.

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

3649 points

5341 points

46% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

3524 points

4929 points

39% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

3991 points

5148 points

28% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

3524 points

4748 points

34% slightly higher Geekbench 6 (Vulkan) score

Specifications

Memory Bus Width

Number of parallel lines to the memory chips

128 Bit

100% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

64 GB/s

300% significantly higher memory bandwidth

16 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

50 W

30% slightly lower TDP

65 W

Pixel Rate

Number of pixels that can be rendered per second

7.6 Gigapixels/s

5% slightly higher pixel rate

7.2 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

30.4 Gigatexels/s

40% slightly higher texture rate

21.6 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

384

Identical

384

Texture Mapping Units

Number of processors dedicated to applying textures

33% slightly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

414th of 586

409th of 586

Release date

The official date of release of this chip

2012 March

2015 May

Memory Type

The type of memory used by this chip

GDDR5

DDR3

DirectX Support

Maximum version of DirectX supported

11.2

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

GeForce GTX 660M vs Radeon R5 340X specs and performance

According to the hardwareDB Benchmark, the Radeon R5 340X GPU is faster than the GeForce GTX 660M in gaming.

In addition, the GeForce GTX 660M has a slightly lower TDP at 50 W when compared to the Radeon R5 340X at 65 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 Radeon R5 340X is better than the GeForce GTX 660M.

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