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Viper Radeon X1900 GT / X1900GT256

Diamond Multimedia Viper Radeon X1900 GT (part number X1900GT256) is a Graphics Processing Unit, produced on 90 nm technological process. The GPU is based on ATI Radeon X1900 GT, and it is aimed at desktop market. The card has graphics clocked at 575 MHz. Furthermore, it has 12 pixel shaders, 12 texture units, together with 12 color ROPs. The Viper Radeon X1900 GT comes with 256 MB of GDDR3 memory. Since the memory is clocked at 600 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 38.4 GB/s. The GPU supports PCI Express 1.0 interface, and requires 1 slot on the motherboard. The maximum power draw of this model is 75 Watt.

Please see below for detailed specifications of the card.

Diamond Multimedia Viper Radeon X1900 GT GPU specifications

Name / Brand / Architecture

Manufacturer: Diamond Multimedia
Model: Viper Radeon X1900 GT
Part number: X1900GT256
Based on: ATI Radeon X1900 GT [Compare]
Target market segment: Desktop
Die name: R580
Architecture: Ultra-Threaded Shader Engine
Fabrication process: 90 nm
Transistors: 384 million
Bus interface: PCI-E 1.0 x 16

Frequency

Graphics clock: 575 MHz

Memory specifications

Memory size: 256 MB
Memory type: GDDR3
Memory clock: 600 MHz
Memory clock (effective): 1200 MHz
Memory interface width: 256-bit
Memory bandwidth: 38.4 GB/s

Cores / Texture

Color ROPs: 12
Pixel shader processors: 12
Vertex shader processors: 8
Texture units: 12
RAMDACs: 400 MHz
Simultaneous pixel threads: Up to 512
Decoders: DivX
H.264
MPEG-2
MPEG-4
VC-1
WMV9

Electric characteristics

Maximum power draw: 75 W

Video features

Multi-monitor: Up to 2 displays
Maximum digital resolution: 2560 x 1600
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: 6 x MSAA
Adaptive AA
Temporal AA

Performance

Pixel fill rate: 6.9 Gigapixels/s
Texture fill rate: 6.9 Gigatexels/s

External connectors

Standard display connectors: 2 x Dual-Link DVI-I
S-Video
Power connectors: 1 x 6-pin

Dimensions

Width: Single-Slot

Other features / Support

Other features: HDCP
High Dynamic Range (HDR) Support
OpenGL support: 2.0
DirectX support: 9.0c
Pixel shader model: 3.0
Vertex shader model: 3.0
Windows driver support: Windows Vista
Windows XP

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