NVIDIA GeForce GTX 770 vs NVIDIA GeForce GTX 660

Compare NVIDIA GeForce GTX 770 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

1335 points

63% significantly better overall score

816 points

Flux Core frame rate

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

31 FPS

13 FPS significantly higher Flux Core frame rate

18 FPS

Electron frame rate

Randomly generated noise sphere test

20 FPS

9 FPS significantly higher Electron frame rate

11 FPS

City frame rate

Procedurally generated city scene with voxel rendering

22 FPS

9 FPS significantly higher City frame rate

13 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

16 FPS

7 FPS significantly higher Clouds frame rate

9 FPS

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

2160 points

64% significantly higher 3DMark Graphics score

1317 points

Blender score

Cycles Render (Samples per minute)

200.67 points

63% significantly higher Blender score

122.56 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

13824 points

61% significantly higher Geekbench 5 (CUDA) score

8583 points

Geekbench 5 (Metal) score

Metal compute benchmark

8636 points

58% significantly higher Geekbench 5 (Metal) score

5449 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

17483 points

53% significantly higher Geekbench 5 (OpenCL) score

11381 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

17236 points

61% significantly higher Geekbench 5 (Vulkan) score

10693 points

Geekbench 6 (Metal) score

Metal compute benchmark

9056 points

110% significantly higher Geekbench 6 (Metal) score

4311 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

18039 points

58% significantly higher Geekbench 6 (OpenCL) score

11353 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

19070 points

60% significantly higher Geekbench 6 (Vulkan) score

11858 points

Specifications

Core Clock Speed

Nominal chip frequency

1046 MHz

6% slightly higher core clock speed

980 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1085 MHz

5% slightly higher boost clock speed

1032 MHz

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

33% slightly larger memory bus width

192 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

224.4 GB/s

55% significantly higher memory bandwidth

144.2 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

230 W

140 W

64% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

34.72 Gigapixels/s

68% significantly higher pixel rate

20.64 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

138.9 Gigatexels/s

68% significantly higher texture rate

82.56 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

3.33 TFLOPS

68% significantly better floating point performance

1.98 TFLOPS

Shading Units

Number of processors dedicated to shader processing

1536

60% significantly more shading units

960

Texture Mapping Units

Number of processors dedicated to applying textures

128

60% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

33% slightly more render output processors

Other details

Rank

Ranking in the hardwareDB database

241st of 586

278th of 586

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

GeForce GTX 770 vs GeForce GTX 660 benchmarks

In our benchmarks, the GeForce GTX 770 beats the GeForce GTX 660 in gaming performance.

The GeForce GTX 770 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 770 also has a slightly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

In addition, the GeForce GTX 660 has a significantly lower TDP at 140 W when compared to the GeForce GTX 770 at 230 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 770 over the GeForce GTX 660.