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Spec Radeon HD 8870M AMD
Overview
Product name AMD Radeon HD 8870M
Architecture GCN 1.0
Generation / family Radeon R Series
Launch date 2013-04-01
Market segment Mobile
Board type / entry type Laptop GPU
GPU
Process node TSMC 28 nm
Die size 123 mm²
Transistor count 1.5 billion
GPU chip Venus
Stream Processors 640
ROPs 16
TMUs 40
Clocks
Base / Core clock 725 MHz
Boost clock 775 MHz
Memory clock 1,125 MHz
Memory
Memory size 2 GB
Memory type GDDR5
Memory bus width 128-bit
Memory bandwidth 72 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Features
DirectX support DirectX 11.1
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 0.99 TFLOPS

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