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Differences What are the advantages of each

Front view of GeForce GTX 660

Reasons to consider the
Nvidia GeForce GTX 660

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Much higher effective memory clock speed 5,600 MHz vs 2,000 MHz More than 2.8x higher effective memory clock speed
Much higher memory bandwidth 179.2 GB/s vs 64 GB/s More than 2.8x higher memory bandwidth
Better floating-point performance 1,896.2 GFLOPS vs 470 GFLOPS More than 4x better floating-point performance
Higher clock speed 823 MHz vs 738 MHz More than 10% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly more shading units 1,152 vs 128 1024 more shading units
Higher texture rate 79 GTexel/s vs 47.23 GTexel/s More than 65% higher texture rate
More render output processors 32 vs 16 Twice as many render output processors
Significantly higher memory clock speed 1,400 MHz vs 1,000 MHz 40% higher memory clock speed
More texture mapping units 96 vs 64 32 more texture mapping units
Slightly higher pixel rate 19.75 GPixel/s vs 11.81 GPixel/s More than 65% higher pixel rate
Front view of GeForce GTS 150

Reasons to consider the
Nvidia GeForce GTS 150

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GPUBoss is not aware of any important advantages of the GeForce GTS 150 vs the GeForce GTX 660.

Features Key features of the GeForce GTX 660  vs GTS 150 

memory bandwidth Rate at which data can be read from or stored in onboard memory

GeForce GTX 660
179.2 GB/s
GeForce GTS 150
64 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce GTX 660
19.75 GPixel/s
GeForce GTS 150
11.81 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

GeForce GTX 660
79 GTexel/s
GeForce GTS 150
47.23 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 660
1,896.2 GFLOPS
GeForce GTS 150

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Specifications Full list of technical specs


GeForce GTX 660  vs
GTS 150 
GPU brand Nvidia Nvidia
GPU name GK104 G92
Market Desktop Desktop
Clock speed 823 MHz 738 MHz
Is dual GPU No No
Reference card Nvidia GeForce GTX 660 980 MHz 2 GB None

raw performance

Shading units 1,152 128
Texture mapping units 96 64
Render output processors 32 16
Pixel rate 19.75 GPixel/s 11.81 GPixel/s
Texture rate 79 GTexel/s 47.23 GTexel/s
Floating-point performance 1,896.2 GFLOPS 470 GFLOPS


GeForce GTX 660  vs
GTS 150 
Memory clock speed 1,400 MHz 1,000 MHz
Effective memory clock speed 5,600 MHz 2,000 MHz
Memory bus 256 bit 256 bit
Memory 2,048 MB 1,024 MB
Memory type GDDR5 GDDR3
Memory bandwidth 179.2 GB/s 64 GB/s

noise and power

TDP 130W 141W


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