NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 750 Ti

Compare NVIDIA GeForce GTX 660 3 GB vs NVIDIA GeForce GTX 750 Ti 4 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

816 points

18% slightly better overall score

686 points

Flux Core frame rate

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

18 FPS

5 FPS significantly higher Flux Core frame rate

14 FPS

Electron frame rate

Randomly generated noise sphere test

11 FPS

Identical

11 FPS

City frame rate

Procedurally generated city scene with voxel rendering

13 FPS

2 FPS slightly higher City frame rate

10 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

9 FPS

10 FPS

0 FPS slightly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

1317 points

3% slightly higher 3DMark Graphics score

1278 points

Blender score

Cycles Render (Samples per minute)

122.56 points

14% slightly higher Blender score

106.74 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

8583 points

12510 points

45% significantly higher Geekbench 5 (CUDA) score

Geekbench 5 (Metal) score

Metal compute benchmark

5449 points

5% slightly higher Geekbench 5 (Metal) score

5182 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

11381 points

12954 points

13% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

10693 points

12372 points

15% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (Metal) score

Metal compute benchmark

4311 points

5182 points

20% slightly higher Geekbench 6 (Metal) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

11353 points

12391 points

9% slightly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

11858 points

10% slightly higher Geekbench 6 (Vulkan) score

10764 points

Specifications

Core Clock Speed

Nominal chip frequency

980 MHz

1020 MHz

4% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1032 MHz

1085 MHz

5% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

3 GiB

4 GiB

33% slightly more memory

Memory Bus Width

Number of parallel lines to the memory chips

192 Bit

49% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

144.2 GB/s

66% significantly higher memory bandwidth

86.4 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

140 W

60 W

133% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

20.64 Gigapixels/s

18% slightly higher pixel rate

17.36 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

82.56 Gigatexels/s

90% significantly higher texture rate

43.4 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

1.98 TFLOPS

2.11 TFLOPS

6% slightly better floating point performance

Shading Units

Number of processors dedicated to shader processing

960

49% significantly more shading units

640

Texture Mapping Units

Number of processors dedicated to applying textures

100% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

49% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

278th of 586

293rd of 586

Release date

The official date of release of this chip

2014 February

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

11.0

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

GeForce GTX 660 vs GeForce GTX 750 Ti specs and performance

For gaming, the GeForce GTX 660 graphics card is better than the GeForce GTX 750 Ti in our tests.

In our comparison, the GeForce GTX 750 Ti 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 750 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.

Furthermore, the spec sheet for both these GPUs show that the GeForce GTX 750 Ti has slightly more memory with 4 GiB of memory compared to 3 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the GeForce GTX 750 Ti has a significantly lower TDP at 60 W when compared to the GeForce GTX 660 at 140 W. TDP (Thermal Design Power) measures total heat output from the chip.

In conclusion, all specs and GPU benchmarks considered, will recommend the GeForce GTX 660 over the GeForce GTX 750 Ti.