NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 780 Ti

Compare NVIDIA GeForce GTX 660 Ti 3 GB vs NVIDIA GeForce GTX 780 Ti 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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GPU Comparison

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Benchmark Score

Overall Score

General gaming and workstation score

1159 points

2374 points

104% significantly better overall score

Flux Core frame rate

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

27 FPS

51 FPS

24 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

16 FPS

34 FPS

18 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

18 FPS

35 FPS

17 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

13 FPS

27 FPS

14 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

1634 points

3376 points

106% significantly higher 3DMark Graphics score

Blender score

Cycles Render (Samples per minute)

150.80 points

344.38 points

128% significantly higher Blender score

Geekbench 5 (CUDA) score

CUDA compute benchmark

11298 points

20877 points

84% significantly higher Geekbench 5 (CUDA) score

Geekbench 5 (Metal) score

Metal compute benchmark

6670 points

12375 points

85% significantly higher Geekbench 5 (Metal) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

14647 points

25535 points

74% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

14555 points

27453 points

88% significantly higher Geekbench 5 (Vulkan) score

Geekbench 6 (Metal) score

Metal compute benchmark

6670 points

18144 points

172% significantly higher Geekbench 6 (Metal) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

15295 points

28485 points

86% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

16140 points

27238 points

68% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

915 MHz

4% slightly higher core clock speed

875 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

980 MHz

5% slightly higher boost clock speed

928 MHz

Memory

Onboard memory size for textures and vertices

3 GiB

Identical

3 GiB

Memory Bus Width

Number of parallel lines to the memory chips

192 Bit

384 Bit

100% significantly larger memory bus width

Memory Bandwidth

Data transfer speed between GPU core and memory

144.2 GB/s

336.6 GB/s

133% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

150 W

66% significantly lower TDP

250 W

Pixel Rate

Number of pixels that can be rendered per second

27.44 Gigapixels/s

55.68 Gigapixels/s

102% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

109.8 Gigatexels/s

222.7 Gigatexels/s

102% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

2.63 TFLOPS

5.34 TFLOPS

102% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

1344

2880

114% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

112

240

114% significantly 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

254th of 586

185th of 586

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

11.0

OpenGL Support

Maximum version of OpenGL supported

4.5

GeForce GTX 660 Ti vs GeForce GTX 780 Ti comparison

For gaming, the GeForce GTX 780 Ti graphics card is better than the GeForce GTX 660 Ti in our tests.

The GeForce GTX 660 Ti has a slightly 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. In addition, the GeForce GTX 660 Ti 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.

Next up, in terms of GPU memory, they both have the same amount of memory at 3 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the GeForce GTX 660 Ti has a significantly lower TDP at 150 W when compared to the GeForce GTX 780 Ti at 250 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 780 Ti over the GeForce GTX 660 Ti.