AMD Radeon HD 7770 GHz vs AMD Radeon HD 7850 Full Specs
640 Shaders 1GHz | 1,024 Shaders 860MHz |
1GB GDDR572GB/s | 2GB GDDR5153.6GB/s |
·· 1.28 TFLOPS | ·· 1.76 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 80W | TDP 130W |
Power Connectors 1x 6-Pin | Power Connectors 1x 6-Pin |
Radeon HD 7770 GHz1.28 TFLOPSFP32
Radeon HD 78501.76 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 1.28 TFLOPSFP32 | Peak OPS 1.76 TFLOPSFP32 |
FP32 1.28 TFLOPS | FP32 1.76 TFLOPS |
FP64 80 GFLOPS | FP64 110.1 GFLOPS |
Pixel Rate 16 GPixel/s | Pixel Rate 27.5 GPixel/s |
Texture Rate 40 GTexel/s | Texture Rate 55 GTexel/s |
Shaders 640 Shaders | Shaders 1,024 Shaders |
TMUs 40 TMUs | TMUs 64 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
CUs 10 CUs | CUs 16 CUs |
Boost Clock 1GHz | Boost Clock 860MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
1GB GDDR5 | 2GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 4.5GT/s | Memory Speed 4.8GT/s |
Memory Bandwidth 72GB/s | Memory Bandwidth 153.6GB/s |
TDP 80W | TDP 130W |
Multi-Monitor 3 | Multi-Monitor 3 |
2x Mini DisplayPort 1.2 | 2x Mini DisplayPort 1.2 |
1x HDMI 1.4 | 1x HDMI 1.4 |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
Encoder Model VCE 1.0 | Encoder Model VCE 1.0 |
Decoder Model UVD 4.0 | Decoder Model UVD 4.0 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 2-Slots |
Height 111 mm (4.37")Width 210 mm (8.27")Depth 37 mm (1.46") | Height 111 mm (4.37")Width 210 mm (8.27")Depth 37 mm (1.46") |
Cooling Open-Air 1x Fan | Cooling Open-Air 1x Fan |
Power Connectors 1x 6-Pin | Power Connectors 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Cape Verde | Codename Pitcairn |
Chip Variant Cape Verde LE | Chip Variant Pitcairn Pro |
Market Segment Desktop | Market Segment Desktop |
Release Date Feb 1, 2012 | Release Date Mar 5, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 123mm² | Die Size 212mm² |
Transistor Count 1.5 Billion | Transistor Count 2.8 Billion |
Transistor Density 12.2 MTr/mm² | Transistor Density 13.21 MTr/mm² |
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