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Radeon HD 7990 6GB GDDR5

Launched in April 2013, Sapphire Radeon HD 7990 6GB GDDR5 desktop Graphics Processing Unit is based on AMD Radeon HD 7990, and produced using 28 nm technology. The card's graphics frequency is 950 MHz. It also has 4096 stream processors, 64 color ROPs, and 256 texture units. The Radeon HD 7990 6GB GDDR5 incorporates 6 GB of GDDR5 memory, utilizing 384 bit interface. The memory is clocked at 1.5 GHz, which gives 576 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface, and uses 2 slots on the motherboard. The maximum power draw of this model is 500 Watt, on a par with the reference design.

Please see below for detailed specifications of the graphics card.

Sapphire Radeon HD 7990 6GB GDDR5 GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 7990 6GB GDDR5
Based on: AMD Radeon HD 7990 [Compare]
Target market segment: Desktop
Die name: Tahiti XT x 2
Architecture: Graphics Core Next
Fabrication process: 28 nm
Transistors: 2 x 4.31 billion
Bus interface: PCI-E 3.0 x 16
Launch date: April 2013
Price at launch: $999

Frequency

Graphics clock: 950 MHz
Boost clock: 1000 MHz

Memory specifications

Memory size: 2 x 3 GB
Memory type: GDDR5
Memory clock: 1500 MHz
Memory clock (effective): 6 GHz
Memory interface width: 2 x 384-bit
Memory bandwidth: 2 x 288 GB/s

Cores / Texture

Compute units: 2 x 32
Color ROPs: 2 x 32
Z/Stencil ROPs: 2 x 128
Stream processors: 2 x 2048
Texture units: 2 x 128
RAMDACs: 400 MHz
Decoders: Adobe Flash
DXVA 1.0 & 2.0
H.2**
MPEG 2 (SH & HD)
MPEG-4 Part 2 (DivX/Xvid)
MVC (Blu-ray 3D)
VC-1
WMV HD

SLI / Crossfire

Maximum crossfire options: 2- way (4-way)

Electric characteristics

Maximum power draw: 500 W

Video features

Multi-monitor: Up to 6 displays
Maximum DP resolution: 4096 x 2160
Maximum DVI resolution: **0 x 1600
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: 24 x MSAA
24 x SSAA
Adaptive AA
MLAA 2.0
HDMI: Yes
HDMI version: 1.4a

Performance

Pixel fill rate: 2 x 32 Gigapixels/s
Texture fill rate: 2 x 128 Gigatexels/s
Single presision compute power: 2 x 4096 GFLOPS
Double precision compute power: 2 x ** GFLOPS

External connectors

Standard display connectors: 4 x Mini-DP
Dual-Link DVI-I
Power connectors: 2 x 8-pin
Audio input for HDMI: Yes

Dimensions

Size (length x height): 12 inches (305 mm) x 3.94 inches (100 mm)
Width: Dual-Slot

Other features / Support

Other features: AMD PowerTune
AMD ZeroCore Power
ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
High Dynamic Range (HDR) Support
Open CL support: 1.2
OpenGL support: 4.2
DirectX support: 11.1
Mantle support: Yes
Shader model: 5.0
Windows driver support: Windows 7
Windows Vista
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