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Spec Radeon HD 6870 AMD
Overview
Product name AMD Radeon HD 6870
Architecture TeraScale 2
Generation / family Radeon HD 6000 Series
Launch date 2010-10-21
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 40 nm
Die size 255 mm²
Transistor count 1.7 billion
GPU chip Barts
Stream Processors 1120
ROPs 32
TMUs 56
Clocks
Base / Core clock 900 MHz
Boost clock 900 MHz
Memory clock 1,050 MHz
Memory
Memory size 1 GB
Memory type GDDR5
Memory bus width 256-bit
Memory bandwidth 134.4 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 151 W
Recommended PSU 450 W
Slot width Dual-slot
Display / Media
Display outputs 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1
Features
DirectX support DirectX 11.0
OpenGL support OpenGL 4.4
Shader Model 5.0
Performance / Benchmarks
FP32 throughput 2.02 TFLOPS

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