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Radeon HD 4830 1GB GDDR3 PCI-E

Sapphire Radeon HD 4830 1GB GDDR3 PCI-E is one of a few Sapphire desktop graphics processing units, based on ATI Radeon HD 4830. Built on 55 nm technological process, the GPU features Unified Superscalar Shader architecture. The card has 575 MHz graphics clock frequency. Furthermore, it has 640 stream processors, 32 texture units, and 16 color ROPs. The Radeon HD 4830 1GB GDDR3 PCI-E comes with 1 GB of GDDR3 memory, using 256 bit interface. The memory is clocked at 900 MHz, which translates to 57.6 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and needs 2 motherboard slots. This model requires up to 95 Watt of power.

More detailed specifications of the card are available below.

Sapphire Radeon HD 4830 1GB GDDR3 PCI-E GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4830 1GB GDDR3 PCI-E
Based on: ATI Radeon HD 4830 [Compare]
Target market segment: Desktop
Die name: RV770 Le
Architecture: Unified Superscalar Shader Architecture
Fabrication process: 55 nm
Transistors: 956 million
Bus interface: PCI-E 2.0 x 16

Frequency

Graphics clock: 575 MHz

Memory specifications

Memory size: ** MB
Memory type: GDDR3
Memory clock: 900 MHz
Memory clock (effective): 1.8 GHz
Memory interface width: **-bit
Memory bandwidth: 57.6 GB/s

Cores / Texture

Color ROPs: 16
Stream processors: **0
Texture units: 32
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: 95 W

Video features

Multi-monitor: Up to 2 displays
Maximum digital resolution: **0 x 1600
Maximum DVI resolution: **0 x 1600
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: 9.2 Gigapixels/s
Texture fill rate: 18.4 Gigatexels/s
Single presision compute power: 736 GFLOPS
Double precision compute power: 147.2 GFLOPS

External connectors

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