AMD Radeon HD 6770 vs AMD Radeon HD 6790 Full Specs
800 Shaders 850MHz | 800 Shaders 840MHz |
1GB GDDR576.8GB/s | 1GB GDDR5134.4GB/s |
·· 1.36 TFLOPS | ·· 1.34 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 108W | TDP 150W |
Power Connectors 1x 6-Pin | Power Connectors 1x 6-Pin |
Radeon HD 67701.36 TFLOPSFP32
Radeon HD 67901.34 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 1.36 TFLOPSFP32 | Peak OPS 1.34 TFLOPSFP32 |
FP32 1.36 TFLOPS | FP32 1.34 TFLOPS |
Pixel Rate 13.6 GPixel/s | Pixel Rate 13.4 GPixel/s |
Texture Rate 34 GTexel/s | Texture Rate 33.6 GTexel/s |
Shaders 800 Shaders | Shaders 800 Shaders |
TMUs 40 TMUs | TMUs 40 TMUs |
ROPs 16 ROPs | ROPs 16 ROPs |
CUs 10 CUs | CUs 10 CUs |
Boost Clock 850MHz | Boost Clock 840MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
1GB GDDR5 | 1GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 4.8GT/s | Memory Speed 4.2GT/s |
Memory Bandwidth 76.8GB/s | Memory Bandwidth 134.4GB/s |
TDP 108W | TDP 150W |
Multi-Monitor 2 | Multi-Monitor 2 |
1x DisplayPort 1.1 | 1x DisplayPort 1.1 |
1x HDMI 1.3 | 1x HDMI 1.3 |
2x DVI-I Dual-Link | 2x DVI-I Dual-Link |
Decoder Model UVD 2.2 | Decoder Model UVD 3.0 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 2-Slots |
Height 111 mm (4.37")Width 198 mm (7.79")Depth 36 mm (1.42") | Height 111 mm (4.37")Width 198 mm (7.79")Depth 36 mm (1.42") |
Cooling Blower 1x Fan | Cooling Blower 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 Juniper | Codename Barts |
Chip Variant Juniper Pro | Chip Variant Barts LE |
Market Segment Desktop | Market Segment Desktop |
Release Date Apr 19, 2011 | Release Date Apr 4, 2011 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 40nm |
Die Size 170mm² | Die Size 255mm² |
Transistor Count 1 Billion | Transistor Count 1.7 Billion |
Transistor Density 6.12 MTr/mm² | Transistor Density 6.67 MTr/mm² |
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