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Radeon HD 4870 X2 2G GDDR5 PCI-E

Sapphire Radeon HD 4870 X2 2G GDDR5 PCI-E is a desktop Graphics Processing Unit, based on ATI Radeon HD 4870 X2, and fabricated on 55 nm manufacturing process. The card's graphics frequency is 750 MHz. It also has 1600 stream processors, 80 texture units, along with 32 color ROPs. The Radeon HD 4870 X2 2G GDDR5 PCI-E incorporates 2 GB of GDDR5 memory, using 256 bit bus. The memory is clocked at 900 MHz, which results in 230.4 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and requires 2 slots on the motherboard. This model has the maximum power draw of 286 Watt. To improve Sapphire Radeon HD 4870 X2 2G GDDR5 PCI-E gaming and 3D graphics performance, it can be paired with a similar card in crossfire mode.

More detailed specifications of the graphics card you will find below.

Sapphire Radeon HD 4870 X2 2G GDDR5 PCI-E GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4870 X2 2G GDDR5 PCI-E
Reference card?: Yes
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 256-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.264
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: 2560 x 1600
Maximum DVI resolution: 2560 x 1600
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: 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): 10.5 inches (267 mm) x 4.376 inches (111 mm)
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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