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Radeon HD 4870 X2 / GV-R487X2-2GH-B

Specifications of the GIGABYTE Radeon HD 4870 X2 GPU


GIGABYTE Radeon HD 4870 X2 (part number GV-R487X2-2GH-B) is a Graphics Processing Unit, targeted at desktop market segment. The GPU is based on ATI Radeon HD 4870 X2 model, and fabricated on 55 nm manufacturing process. The card has 750 MHz graphics clock frequency. It also has 1600 stream processors, 80 texture units, together with 32 color ROPs. The Radeon HD 4870 X2 comes with 2 GB of GDDR5 memory. Since the memory operates at 900 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 230.4 GB/s. The GPU supports PCI Express 2.0 interface, and uses 2 slots on the motherboard. This model needs up to 310 Watt of power, which is identical to the reference design. To increase GIGABYTE Radeon HD 4870 X2 3D graphics and gaming performance, it can be paired with another graphics card in crossfire mode.

Below you will find more detailed specs of the GIGABYTE Radeon HD 4870 X2 GPU.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 4870 X2
Part number:GV-R487X2-2GH-B
Based on:ATI Radeon HD 4870 X2 [Compare]
Target market segment:Desktop
Die name:RV770 XT x 2
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:2 x 956 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:750 MHz

Memory specifications

Memory size:2 x 1 GB
Memory type:GDDR5
Memory clock:900 MHz
Memory clock (effective):3.6 GHz
Memory interface width:2 x **-bit
Memory bandwidth:2 x 115.2 GB/s

Cores / Texture

Color ROPs:2 x 16
Stream processors:2 x 800
Texture units:2 x 40
Texture fetches / clock cycle:Up to 320
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:286 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
Super AA
HDMI:Yes
HDMI version:1.3

Performance

Pixel fill rate:2 x 12 Gigapixels/s
Texture fill rate:2 x 30 Gigatexels/s
Single presision compute power:2 x 1200 GFLOPS
Double precision compute power:2 x 240 GFLOPS

External connectors

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

Dimensions

Width:Dual-Slot

Other features / Support

Other features:ATI/AMD PowerPlay
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.0
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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