Radeon HD 7990

Manufacturer:AMD
Series:HD 7xxx (Southern Islands)
Codename:Malta
Release date:2013. April 23.
Die count:2
https://gamesystemrequirements.com/
Die size:2x 352 mm2
Fab:28 nm
Transistors:2x 4313 millions
Bus interface:PCI-E 3.0 x16
Radeon HD 7990

Clock rates

Core clock:950 MHz
Core clock (Boost):1000 MHz
Memory clock:1500 MHz
Effective memory clock (DDR):
https://gamesystemrequirements.com/
12000 MHz

Memory

Memory size:2x 3072 MB
Memory bus type:
https://gamesystemrequirements.com/
GDDR5
Memory bus width:2x 384 bit
Memory bandwidth (maximum):2x 288 GB/s

Core units

Unified shader units:2x 2048
Texture mapping units (TMU):2x 128
Render output units (ROP):2x 32
Compute units:2x 32

Supported Technologies:

DirectX:12
OpenGL:4.4
OpenCL:1.2
AMD Eyefinity, AMD CrossFire™

Performance

Pixel fillrate:2x 32 (GP/s)
Texture fillrate:2x 128 (GT/s)
Thermal Design Power (TDP,Max):375 W
Release price (USD):1000 USD
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