HomeGPU DirectoryMobility Radeon HD 4870 X2
amddiscreteReleased 2009-01-09

Mobility Radeon HD 4870 X2

Architecture: TeraScale • Generation: M9x(Mobility HD 4800)

VRAM Capacity
1 GB
GDDR5
FP32 Compute
0.88 TFLOPS
Single Precision
Thermal TDP
Standard
Max Sustained Power
Memory Bandwidth
89.6 GB/s
256-bit Bus

Silicon & Compute Pipeline

MicroarchitectureTeraScale
Generation SeriesM9x(Mobility HD 4800)
Process Node55 nm
Die Size256 mm²
Transistor Count0.956 Billion
Shading Units / CUDA Cores800

Clock Speeds & Bus Interface

Base Clock Speed550 MHz
Boost Clock Speed550 MHz
Memory Clock700 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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