ATI Radeon HD 3850 X2 vs NVIDIA GeForce 9800 GT Full Specs
640 Shaders 668MHz | 112 Shaders 600MHz |
1048MB GDDR3106GB/s | 1GB GDDR357.6GB/s |
·· 855 GFLOPS | ·· 336 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 140W | TDP 125W |
Power Connectors 1x 8-Pin 1x 6-Pin | Power Connectors - 1x 6-Pin |
Radeon HD 3850 X2855 GFLOPSFP32 (2x 427.5 GFLOPS)
GeForce 9800 GT336 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 855 GFLOPSFP32 | Peak OPS 336 GFLOPSFP32 |
FP32 855 GFLOPS | FP32 336 GFLOPS |
FP64 171 GFLOPS | - |
Pixel Rate 10.7 GPixel/s | Pixel Rate 24 GPixel/s |
Texture Rate 10.7 GTexel/s | Texture Rate 84 GTexel/s |
Shaders 640 Shaders | Shaders 112 Shaders |
TMUs 32 TMUs | TMUs 56 TMUs |
ROPs 32 ROPs | ROPs 16 ROPs |
CUs 8 CUs | SMs 14 SMs |
Boost Clock 668MHz | Boost Clock 600MHz |
Shader Clock - | Shader Clock 1.5GHz |
L2 Cache 256KB shared | L2 Cache 64KB shared |
1048MB GDDR3 | 1GB GDDR3 |
Memory Bus 256-bit | Memory Bus 256-bit |
Memory Speed 1.7GT/s | Memory Speed 1.8GT/s |
Memory Bandwidth 106GB/s | Memory Bandwidth 57.6GB/s |
TDP 140W | TDP 125W |
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 VP2 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 1-Slots |
- | Height 111 mm (4.37")Width 229 mm (9.02")Depth 20 mm (0.79") |
Cooling Open-Air 1x Fan | Cooling Blower 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 NV92 |
Chip Variant RV670 Pro | Chip Variant - |
Market Segment Desktop | Market Segment Desktop |
Release Date Apr 4, 2008 | Release Date Jul 1, 2008 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 55nm | Fabrication Node 65nm |
Die Size 192mm² | Die Size 324mm² |
Transistor Count 666 Million | Transistor Count 754 Million |
Transistor Density 3.47 MTr/mm² | Transistor Density 2.33 MTr/mm² |
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