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Spec Radeon HD 7870 GHz Edition AMD
Overview
Product name AMD Radeon HD 7870 GHz Edition
Architecture GCN 1.0
Generation / family Radeon HD 7000 Series
Launch date 2012-03-05
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 28 nm
Die size 212 mm²
Transistor count 2.8 billion
GPU chip Pitcairn
Stream Processors 1280
ROPs 32
TMUs 80
Clocks
Base / Core clock 1,000 MHz
Boost clock 1,000 MHz
Memory clock 1,200 MHz
Memory
Memory size 2 GB
Memory type GDDR5
Memory bus width 256-bit
Memory bandwidth 153.6 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 175 W
Recommended PSU 450 W
Slot width Dual-slot
Display / Media
Display outputs 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
Features
DirectX support DirectX 11.1
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
Shader Model 5.1
Performance / Benchmarks
FP32 throughput 2.56 TFLOPS
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.

DLAA counts as native resolution; DLSS, FSR and XeSS upscaling never do. A ray tracing setting without a readable on or off value is read as on.