Based on the Cape Verde XT chipset, the HD 7770 features 640 streaming processors and 1GHz of GDDR5 memory with a 128 bit bus looks to be in close competition of the older Radeon HD 6850 series. We will now put the card through its paces and see just how well it does.Test Hardware:
Motherboard: ASUS P67 Deluxe B3
Processor: Intel Core i5 2500K @ 4.5GHz w/ 1.3 voltages
Ram: Crucial 2133 4GB Dual Channel (9-10-9-28)
Video Card: Sapphire Radeon HD 7770
HDD: Hitachi 1TB
Power: Thermaltake Tough Power XT 850 (Sponsored by Thermaltake)
Case: Open air
Cooling: Prolimatech Panther
Testing Software:
Futuremark 3DMark11: Performance and Extreme
Stalker: Call of Pripkat: Ultra, 1920×1200, 4xAA, Max FPS Recorded
Heaven 2.5: DirectX 11, 1920×1200, 2xAA, 4xAF, Tessellation Normal, Max FPS Recorded
Alien vs. Predator: 1920×1200, 2xAA, 16xAF, Tessellation On, Average FPS Recoded
Devil May Cry: DirectX10, 1920×1200, 4xAA, Texture Super High
ARMA 2: 1920×1080, High
Final Fantasy 14: Hyur, 1920×1080
Dirt 2: 1920×1200, 4xAA, Preset High, Average FPS Recorded
Hard Rest: 1920×1200, 8AF
Drivers:
Windows Seven Ultimate 7 64-bit
ATI Cat 11.2 (Other AMD cards)
ATI Cat 11.4 (6750)
ATI Cat 12.1 (7770 OC)
Nvidia 285.62