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Spec Radeon R9 390 AMD
Overview
Product name AMD Radeon R9 390
Architecture GCN 2.0
Generation / family Radeon R Series
Launch date 2015-06-18
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 28 nm
Die size 438 mm²
Transistor count 6.2 billion
GPU chip Grenada
Stream Processors 2560
ROPs 64
TMUs 160
Clocks
Base / Core clock 1,000 MHz
Boost clock 1,000 MHz
Memory clock 1,500 MHz
Memory
Memory size 8 GB
Memory type GDDR5
Memory bus width 512-bit
Memory bandwidth 384 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 275 W
Recommended PSU 600 W
Slot width Dual-slot
Display / Media
Display outputs 2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Features
DirectX support DirectX 12.0
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.2
Shader Model 6.5
Performance / Benchmarks
FP32 throughput 5.12 TFLOPS

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