NVIDIA GeForce GTX 980 vs NVIDIA GeForce GTX 660 Ti

Compare NVIDIA GeForce GTX 980 4 GB vs NVIDIA GeForce GTX 660 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

2494 points

115% significantly better overall score

1159 points

Flux Core frame rate

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

52 FPS

26 FPS significantly higher Flux Core frame rate

27 FPS

Electron frame rate

Randomly generated noise sphere test

41 FPS

25 FPS significantly higher Electron frame rate

16 FPS

City frame rate

Procedurally generated city scene with voxel rendering

36 FPS

18 FPS significantly higher City frame rate

18 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

33 FPS

20 FPS significantly higher Clouds frame rate

13 FPS

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

4376 points

167% significantly higher 3DMark Graphics score

1634 points

Blender score

Cycles Render (Samples per minute)

367.38 points

143% significantly higher Blender score

150.80 points

Geekbench 5 (CUDA) score

CUDA compute benchmark

29848 points

164% significantly higher Geekbench 5 (CUDA) score

11298 points

Geekbench 5 (Metal) score

Metal compute benchmark

15163 points

127% significantly higher Geekbench 5 (Metal) score

6670 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

33463 points

128% significantly higher Geekbench 5 (OpenCL) score

14647 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

41306 points

183% significantly higher Geekbench 5 (Vulkan) score

14555 points

Geekbench 6 (Metal) score

Metal compute benchmark

15163 points

127% significantly higher Geekbench 6 (Metal) score

6670 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

34611 points

126% significantly higher Geekbench 6 (OpenCL) score

15295 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

38178 points

136% significantly higher Geekbench 6 (Vulkan) score

16140 points

Specifications

Core Clock Speed

Nominal chip frequency

1126 MHz

23% slightly higher core clock speed

915 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1216 MHz

24% slightly higher boost clock speed

980 MHz

Memory

Onboard memory size for textures and vertices

4 GiB

33% slightly more memory

3 GiB

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

165 W

150 W

10% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

77.82 Gigapixels/s

183% significantly higher pixel rate

27.44 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

155.6 Gigatexels/s

41% slightly higher texture rate

109.8 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

4.98 TFLOPS

89% significantly better floating point performance

2.63 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2048

52% significantly more shading units

1344

Texture Mapping Units

Number of processors dedicated to applying textures

128

14% slightly more texture mapping units

112

Render Output Processors

Number of processors dedicated to final pixel rendering

166% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

177th of 586

254th of 586

Release date

The official date of release of this chip

2014 September

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

4.5

GeForce GTX 980 vs GeForce GTX 660 Ti comparison

In our benchmarks, the GeForce GTX 980 beats the GeForce GTX 660 Ti in gaming performance.

Our database shows that the GeForce GTX 980 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 980 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 980 has slightly more memory with 4 GiB of memory compared to 3 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the GeForce GTX 660 Ti has a slightly lower TDP at 150 W when compared to the GeForce GTX 980 at 165 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 980 is better than the GeForce GTX 660 Ti.