ATI Radeon HD 4700 vs ATI Radeon HD 3870 Full Specs
320 Shaders 600MHz | 320 Shaders 777MHz |
524MB DDR212.8GB/s | 1GB GDDR472.1GB/s |
·· 384 GFLOPS | ·· 497.3 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 59W | TDP 106W |
Power Connectors 1x 6-Pin | Power Connectors 1x 6-Pin |
Radeon HD 4700384 GFLOPSFP32
Radeon HD 3870497.3 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 384 GFLOPSFP32 | Peak OPS 497.3 GFLOPSFP32 |
FP32 384 GFLOPS | FP32 497.3 GFLOPS |
FP64 76.8 GFLOPS | FP64 99.46 GFLOPS |
Pixel Rate 4.8 GPixel/s | Pixel Rate 12.4 GPixel/s |
Texture Rate 19.2 GTexel/s | Texture Rate 12.4 GTexel/s |
Shaders 320 Shaders | Shaders 320 Shaders |
TMUs 32 TMUs | TMUs 16 TMUs |
ROPs 8 ROPs | ROPs 16 ROPs |
CUs 8 CUs | CUs 4 CUs |
Boost Clock 600MHz | Boost Clock 777MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
524MB DDR2 | 1GB GDDR4 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 800MT/s | Memory Speed 2.3GT/s |
Memory Bandwidth 12.8GB/s | Memory Bandwidth 72.1GB/s |
TDP 59W | TDP 106W |
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 2.0 | Decoder Model UVD 1.0 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 2-Slots |
Cooling Open-Air 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 Wekiva | Codename Boom |
Chip Variant RV770 CE | Chip Variant RV670 Pro |
Market Segment Desktop | Market Segment Desktop |
Release Date Feb 11, 2009 | Release Date Nov 19, 2007 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 55nm | Fabrication Node 55nm |
Die Size 256mm² | Die Size 192mm² |
Transistor Count 956 Million | Transistor Count 666 Million |
Transistor Density 3.73 MTr/mm² | Transistor Density 3.47 MTr/mm² |
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