BENCHMARK GTX 660 3GB WITH LAPTOP (EGPU) TESTED IN 2021 // Worth to Build? - YouTube
GTX 660 Ti Rainbow Six Siege benchmark with Intel Core i7-2700K @ 3.50GHz at Ultra Quality ? 1080p, 1440p, Ultrawide, 4K Performance Benchmarks - GPUCheck United States / USA
Palit GeForce GTX 660 Ti Jetstream review - GeForce GTX 660 Ti 2 and 3-way SLI - Perf results
NVIDIA GeForce GTX 660 Performance Estimated - Faster than HD 7870
NVIDIA GeForce GTX 660 vs. 760 vs. 960 vs. 1060 Graphics Card Comparison GTA 5 Witcher - YouTube
Compute Performance - The GeForce GTX 660 Ti Review, Feat. EVGA, Zotac, and Gigabyte