AMD Radeon HD 7990

Primary
Graphic card name___________________AMD Radeon HD 7990(x2GPU)
Core Tech name______________________Tahiti XT
Interface___________________________PCI-E 16x 3.0
Technology Lithography______________28nm
Maximum resolution__________________4096x2160
Release Date________________________Q2, 2013

Detailed characteristic
Graphic Processor Base Frequency_____950Mhz
Graphic Processor Turbo Frequency____1000Mhz
Memory specification_________________6144Mb GDDR5 6000Mhz
The bus width_______________________768Bit
RAMDAC frequency___________________400Mhz
Supported mode______________________CrossFire, CrossFire X
Supported connectors________________HDCP, Mini DisplayPort x4
TDP_________________________________375W

Рerformance characteristics
The number of texture units_________256
Number of universal processors______4096
Shader support______________________v.5.0
Standards support___________________DirectX 12, OpenGL 4.5