| Model Name | HIS 7990 Fan 6GB GDDR5 PCI-E DVI/4xMini DP |
 Chipset |
Radeon HD 7990 PCIe Series |
|
ASIC |
RadeonTM HD 7990 GPU |
|
Manu.
Process (Micron) |
28nm |
|
Memory
Size (MB) |
6144 |
|
Memory
Type |
GDDR5 |
|
Engine
CLK (MHz) |
950MHz (Boost Clock 1000MHz) |
|
Memory
CLK (Gbps) |
6Gbps |
|
Memory
Interface (bit) |
2x 384bit |
|
Power
Supply Requirement |
750 Watt or greater power |
|
Max.
Resolution |
4096x2160 per display (DisplayPort
1.2) 2560x1600 per display (Dual-link DVI) |
|
Bus
Interface |
PCI Express 3.0 x16 |
|
Mini
Display Port |
4x |
|
HDMI |
No |
|
DVI |
Dual-link DVI-I |
|
VGA |
No |
HIS 7990 System Requirement
- PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
- 750W (or greater) power supply with
two 150W 8-pin PCI Express power
connectors recommended
1000W (or greater) power supply with four 150W 8-pin PCI Express power connectors recommended for AMD CrossFire™ technology in dual mode. - The operation of AMD CrossFire™ technology in dual mode requires a second AMD Radeon™ HD 7990 graphics card and an AMD CrossFire™ Ready motherboard.
- Minimum 4GB of system memory
8GB (or more) system memory recommended for AMD CrossFire™ technology - Installation software requires CD-ROM drive
- DVD playback requires DVD drive
- Blu-ray™ playback requires Blu-ray drive
- Windows Vista®, Windows® 7 or Windows® 8 operating system. 64-bit operating system highly recommended.
- Use of 3 or more displays with AMD Eyefinity technology requires a DisplayPort-capable panel or an AMD Eyefinity validated dongle. See http://www.amd.com/EyefinityDongles for a list of validated DisplayPort dongles.
