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Radeon HD 6990 / 6990PE54G

Specifications of the Diamond Multimedia Radeon HD 6990 GPU

Diamond Multimedia Radeon HD 6990 (part number 6990PE54G) is a Graphics Processing Unit, aimed at desktop market segment. The GPU is based on AMD Radeon HD 6990 model, and produced on 40 nm technology. The card has 830 MHz graphics clock frequency. It also has 3072 stream processors, 64 color ROPs, together with 192 texture units. The Radeon HD 6990 comes with 4 GB of GDDR5 memory, using 256 bit bus. The memory is clocked at 1.25 GHz, which results in 320 GB/s memory bandwidth. The GPU supports PCI Express 2.1 interface, and uses 2 slots on the motherboard. This model needs up to 375 Watt of power. To improve Diamond Multimedia Radeon HD 6990 gaming and 3D graphics performance, it can be paired with another graphics card in crossfire mode.

Below you will find more detailed specs of the Diamond Multimedia Radeon HD 6990 graphics card.

Name / Brand / Architecture

Manufacturer:Diamond Multimedia
Model:Radeon HD 6990
Part number:6990PE54G
Based on:AMD Radeon HD 6990 [Compare]
Target market segment:Desktop
Die name:Cayman
Architecture:TeraScale 3 Unified Processing Architecture
Fabrication process:40 nm
Transistors:2 x 2.** billion
Bus interface:PCI-E 2.1 x 16

Frequency

Graphics clock:830 MHz
BIOS 2 graphics clock:880 MHz

Memory specifications

Memory size:2 x 2 GB
Memory type:GDDR5
Memory clock:1250 MHz
Memory clock (effective):5 GHz
Memory interface width:2 x **-bit
Memory bandwidth:2 x 160 GB/s

Cores / Texture

Color ROPs:2 x 32
Z/Stencil ROPs:2 x 128
Stream processors:2 x 1536
Texture units:2 x 96
RAMDACs:400 MHz
Decoders:Adobe Flash
H.2**
MPEG-2 (SD & HD)
MPEG-4 Part 2 (DivX/Xvid)
MVC
VC-1

SLI / Crossfire

Maximum crossfire options:2-way

Electric characteristics

Maximum power draw:375 W (BIOS 1) or 450 W (BIOS 2)

Video features

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

Performance

Pixel fill rate:2 x 26.56 / 28.16 Gigapixels/s
Texture fill rate:2 x 79.68 / 84.48 Gigatexels/s
Single presision compute power:2 x 2549.76 GFLOPS
Double precision compute power:2 x 637.44 GFLOPS
BIOS 2 single presision compute power:2 x 2703.36 GFLOPS
BIOS 2 double precision compute power:2 x 675.84 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 4 inches (102 mm)
Width:Dual-Slot

Other features / Support

Other features:AMD PowerTune
ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.1
OpenGL support:4.1
DirectX support:11.0
Shader model:5.0
Windows driver support:Windows 7
Windows Vista
Windows XP
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