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Radeon HD 3870 x 2 / 3870X2PE31G

Specifications of the Diamond Multimedia Radeon HD 3870 x 2 GPU


Diamond Multimedia Radeon HD 3870 x 2 (part number 3870X2PE31G) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 3870 x 2. The GPU is produced on 55 nm technological process. The card has 825 MHz graphics clock frequency. It also has 640 stream processors, 32 texture units, as well as 32 color ROPs. The Radeon HD 3870 x 2 incorporates 1 GB of GDDR3 memory, using 256 bit bus. The memory is clocked at 900 MHz, which results in 57.6 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and uses a single slot on the motherboard. The maximum power draw of this model is 165 Watt, same as on the reference design. 3D graphics and gaming performance of the Diamond Multimedia Radeon HD 3870 x 2 can be improved if it is paired with a similar card.

Below you will find more detailed specs of the Diamond Multimedia Radeon HD 3870 x 2 graphics card.

Name / Brand / Architecture

Manufacturer:Diamond Multimedia
Model:Radeon HD 3870 x 2
Part number:3870X2PE31G
Based on:ATI Radeon HD 3870 x 2 [Compare]
Target market segment:Desktop
Die name:2 x R680XT
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:2 x 666 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:825 MHz

Memory specifications

Memory size:2 x ** MB
Memory type:GDDR3
Memory clock:900 MHz
Memory clock (effective):1.8 GHz
Memory interface width:2 x **-bit
Memory bandwidth:57.6 GB/s

Cores / Texture

Color ROPs:2 x 16
Stream processors:2 x 320
Texture units:2 x 16
Texture fetches / clock cycle:Up to 160
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.2**
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:2-way

Electric characteristics

Maximum power draw:165 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:**0 x 1600
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:24 x CFAA
8 x MSAA
Adaptive MSAA & SSAA
Temporal AA
HDMI:Yes
HDMI version:1.2

Performance

Pixel fill rate:2 x 13.2 Gigapixels/s
Texture fill rate:2 x 13.2 Gigatexels/s
Single presision compute power:2 x 528 GFLOPS
Double precision compute power:2 x 105.6 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-I
S-Video
Power connectors:1 x 6-pin
1 x 8-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):8.25 inches (210 mm) x 4.875 inches (124 mm)
Width:Single-Slot

Other features / Support

Other features:ATI/AMD PowerPlay
HDCP
High Dynamic Range (HDR) Support
OpenGL support:3.3
DirectX support:10.1
Shader model:4.1
Windows driver support:Windows 7
Windows Vista
Windows XP
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