- Strong 1080p performer.
- Handsome out-the-box overclock.
- Kepler feature set including GPU Boost and Surround.
- Comes with a free copy of Borderlands 2.
- Overly aggressive fan profile.
The GTX 660's GPU has 960 CUDA cores (384 less than the GTX 660 Ti), 5 SMX units and 2 SMX units. The TAU count has been reduced to 80 from the Ti's 112, while the ROPs remain the same at 24. Nvidia's specification for the base clock frequency is 980MHz, while the average boost clock speed is 1033MHz. Gigabyte has increased this to 1033MHz and 1098MHz, while the memory operates at the standard 6008MHz.