HomeGPU DirectoryRadeon HD 4870 Mac Edition
amddiscreteReleased 2009-01-06

Radeon HD 4870 Mac Edition

Architecture: TeraScale • Generation: Radeon R700(HD 4800)

VRAM Capacity
0.5 GB
GDDR5
FP32 Compute
1.2 TFLOPS
Single Precision
Thermal TDP
150 W
Max Sustained Power
Memory Bandwidth
108.8 GB/s
256-bit Bus

Silicon & Compute Pipeline

MicroarchitectureTeraScale
Generation SeriesRadeon R700(HD 4800)
Process Node55 nm
Die Size256 mm²
Transistor Count0.956 Billion
Shading Units / CUDA Cores800

Clock Speeds & Bus Interface

Base Clock Speed750 MHz
Boost Clock Speed750 MHz
Memory Clock850 MHz
Memory Bus Width256-bit
Bus InterfacePCIe 2.0 x16
Supported APIsDirectX 10.1
Data Source: open-gpu-db (upstream: dbgpu). Licensed under ODbL Open Data.
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