ATI Radeon HD 3870 X2 vs ATI Radeon HD 4710 Full Specs
640 Shaders 825MHz | 320 Shaders 750MHz |
1048MB GDDR4144GB/s | 1GB GDDR325.6GB/s |
·· 1.06 TFLOPS | ·· 480 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 165W | TDP 59W |
Power Connectors 1x 8-Pin 1x 6-Pin | Power Connectors - 1x 6-Pin |
Radeon HD 3870 X21.06 TFLOPSFP32 (2x 528 GFLOPS)
Radeon HD 4710480 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 1.06 TFLOPSFP32 | Peak OPS 480 GFLOPSFP32 |
FP32 1.06 TFLOPS | FP32 480 GFLOPS |
FP64 211.2 GFLOPS | FP64 96 GFLOPS |
Pixel Rate 13.2 GPixel/s | Pixel Rate 6 GPixel/s |
Texture Rate 13.2 GTexel/s | Texture Rate 24 GTexel/s |
Shaders 640 Shaders | Shaders 320 Shaders |
TMUs 32 TMUs | TMUs 32 TMUs |
ROPs 32 ROPs | ROPs 8 ROPs |
CUs 8 CUs | CUs 8 CUs |
Boost Clock 825MHz | Boost Clock 750MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
1048MB GDDR4 | 1GB GDDR3 |
Memory Bus 256-bit | Memory Bus 128-bit |
Memory Speed 2.3GT/s | Memory Speed 1.6GT/s |
Memory Bandwidth 144GB/s | Memory Bandwidth 25.6GB/s |
TDP 165W | TDP 59W |
Multi-Monitor 2 | Multi-Monitor 2 |
2x DVI-I Dual-Link | 2x DVI-I Dual-Link |
1x S-Video | 1x S-Video |
Decoder Model UVD 1.0 | Decoder Model UVD 2.0 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 1-Slots |
Cooling Blower 1x Fan | Cooling Open-Air 1x Fan |
Power Connectors 1x 8-Pin, 1x 6-Pin | Power Connectors 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Boom | Codename Wekiva |
Chip Variant R680 XT | Chip Variant RV770 CE |
Market Segment Desktop | Market Segment Desktop |
Release Date Jan 28, 2008 | Release Date Sep 10, 2008 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 55nm | Fabrication Node 55nm |
Die Size 192mm² | Die Size 256mm² |
Transistor Count 666 Million | Transistor Count 956 Million |
Transistor Density 3.47 MTr/mm² | Transistor Density 3.73 MTr/mm² |
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