AMD Radeon HD 6490 vs AMD Radeon HD 6770 Full Specs
320 Shaders 550MHz | 800 Shaders 850MHz |
1GB DDR216GB/s | 1GB GDDR576.8GB/s |
·· 352 GFLOPS | ·· 1.36 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 55W | TDP 108W |
Power Connectors - | Power Connectors 1x 6-Pin |
Radeon HD 6490352 GFLOPSFP32Radeon HD 67701.36 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 352 GFLOPSFP32 | Peak OPS 1.36 TFLOPSFP32 |
FP32 352 GFLOPS | FP32 1.36 TFLOPS |
Pixel Rate 4.4 GPixel/s | Pixel Rate 13.6 GPixel/s |
Texture Rate 8.8 GTexel/s | Texture Rate 34 GTexel/s |
Shaders 320 Shaders | Shaders 800 Shaders |
TMUs 16 TMUs | TMUs 40 TMUs |
ROPs 8 ROPs | ROPs 16 ROPs |
CUs 4 CUs | CUs 10 CUs |
Boost Clock 550MHz | Boost Clock 850MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
1GB DDR2 | 1GB GDDR5 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 1GT/s | Memory Speed 4.8GT/s |
Memory Bandwidth 16GB/s | Memory Bandwidth 76.8GB/s |
TDP 55W | TDP 108W |
Multi-Monitor 2 | Multi-Monitor 2 |
- | 1x DisplayPort 1.1 |
1x HDMI 1.3 | 1x HDMI 1.3 |
1x DVI-I Dual-Link | 2x DVI-I Dual-Link |
1x VGA | - |
Decoder Model UVD 3.0 | Decoder Model UVD 2.2 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 2-Slots |
- | Height 111 mm (4.37")Width 198 mm (7.79")Depth 36 mm (1.42") |
Cooling Open-Air 1x Fan | Cooling Blower 1x Fan |
Power Connectors - | Power Connectors 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Redwood | Codename Juniper |
Chip Variant Redwood LE | Chip Variant Juniper Pro |
Market Segment Desktop | Market Segment Desktop |
Release Date Jul 4, 2011 | Release Date Apr 19, 2011 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 40nm |
Die Size 104mm² | Die Size 170mm² |
Transistor Count 627 Million | Transistor Count 1 Billion |
Transistor Density 6.03 MTr/mm² | Transistor Density 6.12 MTr/mm² |
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