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Spec Radeon HD 4850 ATI
Overview
Product name ATI Radeon HD 4850
Architecture TeraScale
Generation / family Radeon HD 4000 Series
Launch date 2008-06-25
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 55 nm
Die size 256 mm²
Transistor count 0.96 billion
GPU chip RV770
Stream Processors 800
ROPs 16
TMUs 40
Clocks
Base / Core clock 625 MHz
Boost clock 625 MHz
Memory clock 993 MHz
Memory
Memory size 512 MB
Memory type GDDR3
Memory bus width 256-bit
Memory bandwidth 63.55 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 110 W
Recommended PSU 300 W
Slot width Single-slot
Display / Media
Display outputs 2x DVI, 1x S-Video
Features
DirectX support DirectX 10.1
OpenGL support OpenGL 3.3
Shader Model 4.1
Performance / Benchmarks
FP32 throughput 1 TFLOPS

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