SAPPHIRE HD 7770 ULTIMATE

Sapphire showcases the first passively cooled HD 7770 card at Computex Tapei. The GPU runs at 1GHz and the 1GB of GDDR5 memory runs at 1125 MHz. The Cape Verde card features 640 stream processors, 1.28 Teraflops of compute power, and 1.5 billion transistors.

Source: TechPowerUp

SAPPHIRE HD 7750 ULTIMATE

Sapphire HD 7750 Ultimate provides great gaming performance up to 1080p, without any noise. No moving part means years of reliable, trouble-free operation. About $125.

✓ 1 x Dual-Link DVI
✓ 1 x HDMI (with 3D)
✓ 1 x DisplayPort
✓ 800 MHz Core Clock
✓ 1024 MB Size 128 -bit GDDR5
✓ Quad HD display support (4K Support)
✓ 185 x 120 x 50 mm