ATI Radeon HD 3850 vs NVIDIA GeForce 8800 GTX Full Specs
320 Shaders 668MHz | 128 Shaders 575MHz |
524MB GDDR457.6GB/s | 786MB GDDR386.4GB/s |
·· 427.5 GFLOPS | ·· 345.6 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 75W | TDP 145W |
Power Connectors 1x 6-Pin | Power Connectors 2x 6-Pin |
Clock Speed ·· | Clock Speed ·· |
Peak OPS 427.5 GFLOPSFP32 | Peak OPS 345.6 GFLOPSFP32 |
FP32 427.5 GFLOPS | FP32 345.6 GFLOPS |
FP64 85.5 GFLOPS | - |
Pixel Rate 10.7 GPixel/s | Pixel Rate 32.4 GPixel/s |
Texture Rate 10.7 GTexel/s | Texture Rate 43.2 GTexel/s |
Shaders 320 Shaders | Shaders 128 Shaders |
TMUs 16 TMUs | TMUs 32 TMUs |
ROPs 16 ROPs | ROPs 24 ROPs |
CUs 4 CUs | SMs 16 SMs |
Boost Clock 668MHz | Boost Clock 575MHz |
Shader Clock - | Shader Clock 1.35GHz |
L2 Cache 256KB shared | L2 Cache 96KB shared |
524MB GDDR4 | 786MB GDDR3 |
Memory Bus 256-bit | Memory Bus 384-bit |
Memory Speed 1.8GT/s | Memory Speed 1.8GT/s |
Memory Bandwidth 57.6GB/s | Memory Bandwidth 86.4GB/s |
TDP 75W | TDP 145W |
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 VP1 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 2-Slots |
- | Height 111 mm (4.37")Width 270 mm (10.63")Depth 37 mm (1.46") |
Cooling Blower 1x Fan | Cooling Blower 1x Fan |
Power Connectors 1x 6-Pin | Power Connectors 2x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Boom | Codename NV50 |
Chip Variant RV670 Pro | Chip Variant - |
Market Segment Desktop | Market Segment Desktop |
Release Date Nov 19, 2007 | Release Date Nov 8, 2006 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 55nm | Fabrication Node 90nm |
Die Size 192mm² | Die Size 484mm² |
Transistor Count 666 Million | Transistor Count 681 Million |
Transistor Density 3.47 MTr/mm² | Transistor Density 1.41 MTr/mm² |
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