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Radeon HD 3870 / GV-RX387512H

Specifications of the GIGABYTE Radeon HD 3870 GPU


GIGABYTE Radeon HD 3870 (part number GV-RX387512H) is one of a few GIGABYTE desktop graphics processing units, based on ATI Radeon HD 3870. The GPU, fabricated on 55 nm manufacturing process, sports Unified Superscalar Shader architecture. The card has 775 MHz graphics clock frequency. Furthermore, it has 320 stream processors, 16 texture units, as well as 16 color ROPs. The Radeon HD 3870 comes with 512 MB of GDDR3 memory. Because the memory operates at 1 GHz, and utilizes 256 bit bus, the effective memory bandwidth is 64 GB/s. The GPU supports PCI Express 2.0 interface, and uses 2 slots on the motherboard. This model requires up to 106 Watt of power, identical to the reference design.

Detailed specifications of the GIGABYTE Radeon HD 3870 card you will find below.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 3870
Part number:GV-RX387**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:** MB
Memory type:GDDR3
Memory clock:1.0 GHz
Memory clock (effective):2.0 GHz
Memory interface width:**-bit
Memory bandwidth:** 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 DVI resolution:**0 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

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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