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Spec Mobility Radeon HD 4860 ATI
Overview
Product name ATI Mobility Radeon HD 4860
Architecture TeraScale
Generation / family Radeon HD 4000 Series
Launch date 2009-03-03
Market segment Mobile
Board type / entry type Laptop GPU
GPU
Process node TSMC 40 nm
Die size 137 mm²
Transistor count 0.83 billion
GPU chip M97
Stream Processors 640
ROPs 16
TMUs 32
Clocks
Base / Core clock 650 MHz
Boost clock 650 MHz
Memory clock 1,000 MHz
Memory
Memory size 1 GB
Memory type GDDR5
Memory bus width 128-bit
Memory bandwidth 64 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
Slot width MXM Module
Features
DirectX support DirectX 10.1
OpenGL support OpenGL 3.3
Shader Model 4.1
Performance / Benchmarks
FP32 throughput 0.83 TFLOPS
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.

DLAA counts as native resolution; DLSS, FSR and XeSS upscaling never do. A ray tracing setting without a readable on or off value is read as on.