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Spec Radeon HD 7870M AMD
Overview
Product name AMD Radeon HD 7870M
Architecture GCN 1.0
Generation / family Radeon HD 7000 Series
Launch date 2012-04-24
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 28 nm
Die size 123 mm²
Transistor count 1.5 billion
GPU chip Heathrow
Stream Processors 640
ROPs 16
TMUs 40
Clocks
Base / Core clock 800 MHz
Boost clock 800 MHz
Memory clock 1,000 MHz
Memory
Memory size 2 GB
Memory type GDDR5
Memory bus width 128-bit
Memory bandwidth 64 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 45 W
Features
DirectX support DirectX 11.1
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 1.02 TFLOPS

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