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Radeon HD 4850 X2 2G/1G GDDR3 PCI-E

Sapphire Radeon HD 4850 X2 2G/1G GDDR3 PCI-E is a Graphics Processing Unit for desktop market segment, based on ATI Radeon HD 4850 x2. The GPU sports Unified Superscalar Shader architecture, and it is built on 55 nm manufacturing process. The card has graphics clocked at 625 MHz. It also has 1600 stream processors, 32 color ROPs, together with 80 texture units. The Radeon HD 4850 X2 2G/1G GDDR3 PCI-E has 2 GB of GDDR3 memory. Since the memory is clocked at 993 MHz, and uses 256 bit bus, the effective memory bandwidth is 127.1 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. The maximum power consumption of this model is 250 Watt.

Detailed specifications of the graphics card are available below.

Sapphire Radeon HD 4850 X2 2G/1G GDDR3 PCI-E GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4850 X2 2G/1G GDDR3 PCI-E
Based on: ATI Radeon HD 4850 x2 [Compare]
Target market segment: Desktop
Die name: 2 x RV770 Pro
Architecture: Unified Superscalar Shader Architecture
Fabrication process: 55 nm
Transistors: 956 million
Bus interface: PCI-E 2.0 x 16

Frequency

Graphics clock: 625 MHz

Memory specifications

Memory size: 2 x 1 GB
Memory type: GDDR3
Memory clock: 993 MHz
Memory clock (effective): 1.986 GHz
Memory interface width: 2 x **-bit
Memory bandwidth: 127.1 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 160
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: 250 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
HDMI: Yes
HDMI version: 1.3

Performance

Pixel fill rate: 2 x 10 Gigapixels/s
Texture fill rate: 2 x 25 Gigatexels/s
Single presision compute power: 2 x 1000 GFLOPS
Double precision compute power: 2 x 200 GFLOPS

External connectors

Standard display connectors: 4 x Dual-Link DVI-I
S-Video
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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