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Spec Mobility Radeon HD 4850 Mac Edition ATI
Overview
Product name ATI Mobility Radeon HD 4850 Mac Edition
Architecture TeraScale
Generation / family Radeon HD 4000 Series
Launch date 2009-08-28
Market segment Mobile
Board type / entry type Laptop GPU
GPU
Process node TSMC 55 nm
Die size 256 mm²
Transistor count 0.96 billion
GPU chip M98
Stream Processors 800
ROPs 16
TMUs 40
Clocks
Base / Core clock 503 MHz
Boost clock 503 MHz
Memory clock 850 MHz
Memory
Memory size 512 MB
Memory type GDDR3
Memory bus width 256-bit
Memory bandwidth 54.4 GB/s
Bus / Interface
Bus interface MXM-B (3.0)
AGP / PCI / PCIe distinction MXM-B (3.0)
Power
Slot width MXM Module
Features
DirectX support DirectX 10.1
OpenGL support OpenGL 3.3
Shader Model 4.1
Performance / Benchmarks
FP32 throughput 0.8 TFLOPS

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