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Radeon HD 4860 1GB GDDR5

Sapphire Radeon HD 4860 1GB GDDR5 is a Graphics Processing Unit, targeted at desktop market segment. The GPU is based on ATI Radeon HD 4860 model, and is built on 55 nm manufacturing process. The card's graphics frequency is 700 MHz. It also has 640 stream processors, 16 color ROPs, as well as 32 texture units. The Radeon HD 4860 1GB GDDR5 embeds 1 GB of GDDR5 memory. Since the memory operates at 750 MHz, and utilizes 256 bit interface, the effective memory bandwidth is 96 GB/s. The GPU supports PCI Express 2.0 interface. Similar to the reference design, this model has the maximum power draw of 130 Watt.

Please see below for detailed specifications of the graphics card.

Sapphire Radeon HD 4860 1GB GDDR5 GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4860 1GB GDDR5
Based on: ATI Radeon HD 4860 [Compare]
Target market segment: Desktop
Die name: RV790 GT
Architecture: Unified Superscalar Shader Architecture
Fabrication process: 55 nm
Transistors: 959 million
Bus interface: PCI-E 2.0 x 16

Frequency

Graphics clock: 700 MHz

Memory specifications

Memory size: 1024 MB
Memory type: GDDR5
Memory clock: 750 MHz
Memory clock (effective): 3 GHz
Memory interface width: 256-bit
Memory bandwidth: 96 GB/s

Cores / Texture

Color ROPs: 16
Stream processors: 640
Texture units: 32
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: 130 W

Video features

Multi-monitor: Up to 2 displays
Maximum digital resolution: 2560 x 1600
Maximum DP 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
HDMI: Yes
HDMI version: 1.3

Performance

Pixel fill rate: 11.2 Gigapixels/s
Texture fill rate: 22.4 Gigatexels/s
Single presision compute power: 896 GFLOPS
Double precision compute power: 179.2 GFLOPS

External connectors

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

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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