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Spec Radeon HD 7990 AMD
Overview
Product name AMD Radeon HD 7990
Architecture GCN 1.0
Generation / family Radeon HD 7000 Series
Launch date 2013-04-24
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 28 nm
Die size 365 mm²
Transistor count 4.31 billion
GPU chip Malta
Stream Processors 2048
ROPs 32
TMUs 128
Clocks
Base / Core clock 950 MHz
Boost clock 1,000 MHz
Memory clock 1,500 MHz
Memory
Memory size 3 GB
Memory type GDDR5
Memory bus width 384-bit
Memory bandwidth 288 GB/s
Bus / Interface
Bus interface PCIe 3.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 375 W
Recommended PSU 750 W
Slot width Dual-slot
Display / Media
Display outputs 1x DVI, 4x 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 4.1 TFLOPS

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