GTX 260 Rainbow Six Siege benchmark with Intel Core i7-965 @ 3.20GHz at Ultra Quality: 1080p, 1440p, Ultrawide, 4K Performance Benchmarks - GPUCheck United States / USA
Overclocking - Gigabyte's GTX 260 Super Overclock: A GTX 275 on the Cheap?
GeForce GTX 260/280 versus Radeon HD 4850/4870 > Benchmarks: Company of Heroes | TechSpot