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Spec Radeon HD 6790 AMD
Overview
Product name AMD Radeon HD 6790
Architecture TeraScale 2
Generation / family Radeon HD 6000 Series
Launch date 2011-04-04
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 800
ROPs 16
TMUs 40
Clocks
Base / Core clock 840 MHz
Boost clock 840 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 150 W
Recommended PSU 450 W
Slot width Dual-slot
Display / Media
Display outputs 2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1
Features
DirectX support DirectX 11.0
OpenGL support OpenGL 4.4
Shader Model 5.0
Performance / Benchmarks
FP32 throughput 1.34 TFLOPS

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