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Radeon HD 3870 / 3870PE31G

Specifications of the Diamond Multimedia Radeon HD 3870 GPU


Diamond Multimedia Radeon HD 3870 (part number 3870PE31G) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 3870. The GPU is fabricated on 55 nm manufacturing process. The card has 825 MHz graphics clock frequency. Furthermore, it has 320 stream processors, 16 color ROPs, along with 16 texture units. The Radeon HD 3870 embeds 1 GB of GDDR3 memory. Since the memory operates at 900 MHz, and uses 256 bit bus, the effective memory bandwidth is 57.6 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. The maximum power consumption of this model is 106 Watt, same as on the reference design.

More detailed specifications of the Diamond Multimedia Radeon HD 3870 card are available below.

Name / Brand / Architecture

Manufacturer:Diamond Multimedia
Model:Radeon HD 3870
Part number:3870PE31G
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:825 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR3
Memory clock:900 MHz
Memory clock (effective):1.8 GHz
Memory interface width:**-bit
Memory bandwidth:57.6 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.2**
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:**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:13.2 Gigapixels/s
Texture fill rate:13.2 Gigatexels/s
Single presision compute power:528 GFLOPS
Double precision compute power:105.6 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):9.5 inches (241 mm) x 4.875 inches (124 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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