AMD Radeon HD 7770 Crossfire Review 

Finally 7700 Series Has arrived .. Let's see the Stock Specifications Of 7770

Radeon HD 7770

All CUs enabled, 640 stream processors

1 GB GDDR5 memory

40 TMUs, 16 ROPs

1000 MHz core clock-speed

1125 MHz (actual), 4500 MHz (effective) memory clock-speed

72 GB/s memory bandwidth

1280 GFLOP/s single-precision floating-point performance

Typical board power: 80W

Built on TSMC 28 nm process, ~1.5 billion transistors
10 Graphics CoreNext Compute Units (CUs)
128-bit wide GDDR5 memory interface

This time We Gonna See What Crossfire will Do VS GTX 580

Read Full Review From Here

amd card, radeon hd 7700 series, newest amd, amd graphics card, hd graphic card