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Radeon HD3870 512MB GDDR4 / AX3870 512MD4-H

Specifications of the PowerColor Radeon HD3870 512MB GDDR4 GPU


PowerColor Radeon HD3870 512MB GDDR4 (part number AX3870 512MD4-H) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 3870, and manufactured on 55 nm technology. The card has 775 MHz graphics clock frequency. Furthermore, it has 320 stream processors, 16 color ROPs, as well as 16 texture units. The Radeon HD3870 512MB GDDR4 incorporates 512 MB of GDDR4 memory, using 256 bit bus. The memory is clocked at 1.126 GHz, which gives 72.06 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. This model needs up to 106 Watt of power, same as on the reference design.

Detailed specifications of the PowerColor Radeon HD3870 512MB GDDR4 card are available below.

Name / Brand / Architecture

Manufacturer:PowerColor
Model:Radeon HD3870 512MB GDDR4
Part number:AX3870 512MD4-H
Based on:ATI Radeon HD 3870 [Compare]
Target market segment:Desktop
Die name:RV670
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:666 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:775 MHz

Memory specifications

Memory size:512 MB
Memory type:GDDR4
Memory clock:1126 MHz
Memory clock (effective):2252 MHz
Memory interface width:256-bit
Memory bandwidth:72.06 GB/s

Cores / Texture

Color ROPs:16
Stream processors:320
Texture units:16
Texture fetches / clock cycle:Up to 80
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.264
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:4-way

Electric characteristics

Maximum power draw:106 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:2560 x 1600
Maximum DVI resolution:2560 x 1600
Maximum HDMI resolution:1920 x 1200
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:12.4 Gigapixels/s
Texture fill rate:12.4 Gigatexels/s
Single presision compute power:496 GFLOPS
Double precision compute power:99.2 GFLOPS

External connectors

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

Dimensions

Size (length x height):9.05 inches (230 mm) x 4.41 inches (112 mm)
Width:Dual-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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