PowerColor HD7990 6GB GDDR5
- Part NumberAX7990 6GBD5-2DHJ
- Graphics EngineRADEON HD7990
- Video Memory6GB GDDR5
- Engine Clock900MHz / 925MHz
- Memory Clock1375MHz x 4 (5.5Gbps)
- Memory Interface384bit X2
- DirectX® Support11.1
- Bus StandardPCIE 3.0
- Display ConnectorsDL DVI-I / SL DVI-D / HDMI / 2 X mini DisplayPort





Platinum PowerKIT
The Most Solidly-Built Components enhance the stability, ultimate performance and efficiency.

PCI Express 3.0
Delivers double the bandwidth per lane of PCIe Gen 2 for faster GPU.

Advanced GDDR5 Memory Technology
GDDR5 memory provides the highest available memory bandwidth of any memory technology today, enabling higher GPU performance.

HDMI
Integrated high speed HDMI output with 1080p 120Hz 3D Stereoscopic support, and 4K resolution display support.

Dual BIOS, Performance Unlocked
Dual BIOS design, pursuit the extreme performance without worry.

Microsoft Windows® 7 Support
Comprehensive OS support including Windows XP, Windows Vista, the very latest Windows® 7 functionality and Driver support.

GCN Architecture
A new design for AMD’s unified graphics processing and compute cores that allows them to achieve higher utilization for improved performance and efficiency.

Microsoft DirextX® 11
Get intense gaming performance and unrivalled image quality with stunning 3D visual effects, realistic lighting and lifelike imagery.

AMD App Acceleration
AMD App Accelerator creates a “co-processing” environment in which the compute processing potential in your AMD Radeon™ Graphics processor works together with the system central processor, to accelerate enabled applications.

AMD HD3D Technology
Supports the latest stereoscopic 3D content and display technologies
Play 3D games, watch Blu-ray 3D videos, and edit 3D photos on your 3D Monitors, TV, or projector.
![]() |
AMD Eyefinty Technology Run multiple displays from a single graphics board and expand your gaming field of view across all displays. |

AMD CrossFire™ Technology
Multi-GPU support offers superior scalability
Increase our gaming performance up to 2x with AMD CrossFire™ technology, 2.75x for TriFire configurations, or 3.75x with QuadFire configs.

AMD PowerPlay™ Technology
AMD PowerPlay™ Technology dynamically adjusts clockspeeds in response to GPU load, saving power for just when you need it.

AMD PowerTune Technology
Maximizes performance under load conditions by dynamically increasing the GPU engine clock to take advantage of unused TDP headroom. Also allows users to configure their own TDP limit, within a provided range, for even higher performance or more power efficiency.

Dolby® TrueHD and DTS-HD Master Audio™
Support of content protected, high bandwidth, 7.1 channels of surround sound over HDMDI and DisplayPort.

AMD HD Media Accelerator
Assumes rendering responsibility for HD encode (VCE)/decode (MPEG-4 ASP, H.264. MVC, MPEG2, etc.) and conclusively enable superior video playback quality with advanced hardware post-processing algorithms.
Specification
| Graphics Engine | RADEON HD7990 |
|---|---|
| Video Memory | 6GB GDDR5 |
| Engine Clock | 900MHz / 925MHz |
| Memory Clock | 1375MHz x 4 (5.5Gbps) |
| Memory Interface | 384bit X2 |
| DirectX® Support | 11.1 |
| Bus Standard | PCIE 3.0 |
| Standard Display Connecors | DL DVI-I / SL DVI-D / HDMI / 2 X mini DisplayPort |
| Feature Support | |
| OpenGL | Support |
| CrossFireX™ Technology | Support |
| ATI Stream Technology | Support |
| ATI Eyefinity Technology | Support |
| ATI Hypermemory Technology | |
| Display Support | |
| VGA Output | Yes, By DVI to VGA converter |
| DVI Output | DL-DVI-I/ SL-DVI-D |
| DisplayPort | On Board(mini DP) x2 |
| HDMI | On Board |
| TV Output | |
| HDTV Output | |
| HDCP Support | Support |
| Maximum Resolution | |
| VGA | 2048x1536 |
| DVI | 2560x1600 |
| DisplayPort | 4096x2160 |
| HDMI | 4096x2160 |
| Power Specs + Board Dimensions | |
| Board Dimensions | 315mmx140mmx60mm |
| Minimum System Power requirement (W) | 850W |
| Extention Power Connector | three 8-pin PCI Express Power connectors |
Accessories

DVI Dongle
Manual
CrossFire Cable (Optional)
6P to 8P power cable
Mini DP to DP Cable x 1 (optional)
6P to 8P power cable x 2
Mini DP to Single Link DVI Cable (Active) x 1.jpg)
PowerJack
(MAX. 235mm)
Software Bundled

Driver (PCIE,PCI)
Powerup Tuner
| Product Name | Chipset | Catalyst | Version | OS | Update | Download |
|---|---|---|---|---|---|---|
| HD7900 series | HD7900 series | 13.4 | 12.104 | Win8/Win7/Vista 64bit | 2013.05.09 | Download 1 Download 2 Download 3 |
| HD7900 series | HD7900 series | 13.4 | 12.104 | Win7/Vista 32bit | 2013.05.09 | Download 1 Download 2 Download 3 |
| HD7900 series | HD7900 series | 13.4 | 12.104 | WinXP 32bit | 2013.05.09 | Download 1 Download 2 Download 3 |
POWERCOLOR INTRODUCED HD7990 FOR HARDCORE GAMERS
Key to Ultimate Gaming
Taipei, Taiwan –October 4th, 2012 -- TUL Corporation, a leading manufacturer of AMD graphic cards, today announced powerful equipment for enthusiasts: the PowerColor HD7990. Powered by dual Tahiti XT GPUs, PowerColor HD7990 easily boosts up performance with dual BIOS switch button embedded on bracket, by 900MHz default engines clock and 925MHz OC engines clock, delivering the ultimate gaming efforts which easily tackles demanding games titles.
Key to Ultimate Gaming
PowerColor HD7990 has equipped with trio slots and trio fans cooling solution, thermal design power capability up to 550 watts, maximizing the heat dissipated ability to cool down the dual GPUs board. Furthermore, it’s built with multi phases design, UHB, digital PWM and PowerIRstage, increases steady of voltage power for GPU, stabilizes the gaming performance even at load.
Superb Combo
PowerColor HD7990 packs with PowerColor PowerJack. This professional graphics card supporter provides the powerful force to support the weight of the card from the back, avoiding card bending in the case. With its multistage extension function and exchangeable supporter body, it can extend up to 235 mm and it’s applicable in each kind of chassis.
*Specifications subject to change without notice.
PowerColor HD7990
Core Speed
900MHz (Default Mode)
925MHz (OC Mode)
Memory Speed
1375MHz (5.5Gbps)
Memory
6GB GDDR5
Memory Interface
384bit x2
Eyefinity
Yes
DirectX®
11.1
CrossFireX™
Yes
Output
DL DVI-I / SL DVI-D/ HDMI/2x mini DisplayPort
Bundle
PowerColor PowerJack

About TUL Corporation
TUL is a leading supplier of AMD graphics cards under the PowerColor brand. We offer award-winning products based on our technology leading components, quality design and superb engineering. TUL employs more than 150 talents worldwide, with offices in China, Europe, Russia and USA to support over 300 channel partners and distributors in 50 plus countries. For further information, visit: http://www.tul.com.tw/global/
For more product information, visit: www.powercolor.com.
Or contact: pr@powercolor.com







