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Spec Radeon HD 4860 ATI
Overview
Product name ATI Radeon HD 4860
Architecture TeraScale
Generation / family Radeon HD 4000 Series
Launch date 2009-09-09
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 55 nm
Die size 282 mm²
Transistor count 0.96 billion
GPU chip RV790
Stream Processors 640
ROPs 16
TMUs 32
Clocks
Base / Core clock 700 MHz
Boost clock 700 MHz
Memory clock 750 MHz
Memory
Memory size 512 MB
Memory type GDDR5
Memory bus width 256-bit
Memory bandwidth 96 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 130 W
Recommended PSU 300 W
Slot width Dual-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 0.9 TFLOPS

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