Test System Specs & 3Dmark 11
Core i7 Test System Specs
- Intel Core i7-3960X Extreme Edition (3.30GHz)
- x4 2GB G.Skill DDR3-1600(CAS 8-8-8-20)
- Gigabyte G1.Assassin2 (Intel X79)
- OCZ ZX Series (1250w)
- Crucial m4 512GB (SATA 6Gb/s)
- HIS Radeon HD 7770 (1024MB) Crossfire
- AMD Radeon HD 7770 (1024MB)
- HIS Radeon HD 7750 (1024MB) Crossfire
- HIS Radeon HD 7750 (1024MB)
- HIS Radeon HD 6870 (1024MB)
- HIS Radeon HD 6850 (1024MB)
- HIS Radeon HD 6790 (1024MB)
- HIS Radeon HD 6770 (1024MB)
- Gigabyte GeForce GTX 560 Ti (1024MB)
- Gigabyte GeForce GTX 560 (1024MB)
- Gigabyte GeForce GTX 550 Ti (1024MB)
- Gigabyte GeForce GTX 460 (768MB)
- Microsoft Windows 7 Ultimate SP1 64-bit
- Nvidia Forceware 285.62
- AMD Catalyst 12.2



According to 3DMark 11, the Radeon HD 7770 is 90% faster in Crossfire than as a single card, while the HD 7750 HD is 95% faster, outpacing the GTX 560 Ti and HD 6870.