NVIDIA GeForce GTX 970 vs NVIDIA GeForce GTX 660M

Compare NVIDIA GeForce GTX 970 4 GB vs NVIDIA GeForce GTX 660M 2 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

2262 points

914% significantly better overall score

223 points

Flux Core frame rate

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

47 FPS

41 FPS significantly higher Flux Core frame rate

5 FPS

Electron frame rate

Randomly generated noise sphere test

35 FPS

32 FPS significantly higher Electron frame rate

3 FPS

City frame rate

Procedurally generated city scene with voxel rendering

31 FPS

28 FPS significantly higher City frame rate

3 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

28 FPS

26 FPS significantly higher Clouds frame rate

2 FPS

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Other Benchmarks

Geekbench 5 (CUDA) score

CUDA compute benchmark

25908 points

793% significantly higher Geekbench 5 (CUDA) score

2901 points

Geekbench 5 (Metal) score

Metal compute benchmark

13595 points

552% significantly higher Geekbench 5 (Metal) score

2083 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

29153 points

698% significantly higher Geekbench 5 (OpenCL) score

3649 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

34107 points

867% significantly higher Geekbench 5 (Vulkan) score

3524 points

Geekbench 6 (Metal) score

Metal compute benchmark

13595 points

511% significantly higher Geekbench 6 (Metal) score

2223 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

29277 points

633% significantly higher Geekbench 6 (OpenCL) score

3991 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

32348 points

817% significantly higher Geekbench 6 (Vulkan) score

3524 points

Specifications

Core Clock Speed

Nominal chip frequency

1050 MHz

10% slightly higher core clock speed

950 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1178 MHz

24% slightly higher boost clock speed

950 MHz

Memory

Onboard memory size for textures and vertices

4 GiB

100% significantly more memory

2 GiB

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

100% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

224.4 GB/s

250% significantly higher memory bandwidth

64 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

145 W

50 W

190% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

65.97 Gigapixels/s

768% significantly higher pixel rate

7.6 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

122.5 Gigatexels/s

302% significantly higher texture rate

30.4 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

1664

333% significantly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

104

224% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

250% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

193rd of 586

414th of 586

Release date

The official date of release of this chip

2014 September

2012 March

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.2

OpenGL Support

Maximum version of OpenGL supported

4.5

GeForce GTX 970 vs GeForce GTX 660M comparison

In our benchmarks, the GeForce GTX 970 beats the GeForce GTX 660M in gaming performance.

Our database shows that the GeForce GTX 970 has a slightly 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. In addition, the GeForce GTX 970 also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Furthermore, the spec sheet for both these GPUs show that the GeForce GTX 970 has significantly more memory with 4 GiB of memory compared to 2 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the GeForce GTX 660M has a significantly lower TDP at 50 W when compared to the GeForce GTX 970 at 145 W. TDP (Thermal Design Power) measures total heat output from the chip.

In terms of raw gaming performance in our GPU benchmark, the GeForce GTX 970 is better than the GeForce GTX 660M.