ATI Radeon HD 4770 Full Specs
640 Shaders 750MHz |
512MB GDDR551.2GB/s |
·· 960 GFLOPS |
Form Factor PCIe Card |
TDP 80W |
Power Connectors 1x 6-Pin |
Clock Speed ·· |
Peak OPS 960 GFLOPSFP32 |
FP32 960 GFLOPS |
FP64 192 GFLOPS |
Pixel Rate 12 GPixel/s |
Texture Rate 24 GTexel/s |
Shaders 640 Shaders |
TMUs 32 TMUs |
ROPs 16 ROPs |
CUs 8 CUs |
Boost Clock 750MHz |
L2 Cache 128KB shared |
512MB GDDR5 |
Memory Bus 128-bit |
Memory Speed 3.2GT/s |
Memory Bandwidth 51.2GB/s |
ECC No |
TDP 80W |
Multi-Monitor 2 |
2x DVI-I Dual-Link 1x S-Video |
Decoder Model UVD 2.2 |
Codec VC-1 AVC (H.264) |
Form Factor PCIe Card |
PCIe 1-Slots |
Cooling Blower 1x Fan |
Power Connectors 1x 6-Pin |
Manufacturer |
Chip Designer |
Architecture |
Family |
Branding  |
Codename Walden |
Chip Variant RV740 |
Market Segment Desktop |
Release Date Apr 28, 2009 |
Foundry TSMC |
Fabrication Node 40nm |
Die Size 137mm² |
Transistor Count 826 Million |
Transistor Density 6.03 MTr/mm² |