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Radeon HD 4830 512MB GDDR3 PCI-E HDMI

Sapphire Radeon HD 4830 512MB GDDR3 PCI-E HDMI is one of a few Sapphire Graphics Processing Units for desktop market segment. Based on ATI Radeon HD 4830, and The GPU employs Unified Superscalar Shader architecture, and it is produced on 55 nm manufacturing process. The card has 575 MHz graphics clock frequency. It also has 640 stream processors, 32 texture units, along with 16 color ROPs. The Radeon HD 4830 512MB GDDR3 PCI-E HDMI embeds 512 MB of GDDR3 memory. Since the memory is clocked at 900 MHz, and utilizes 256 bit interface, the effective memory bandwidth is 57.6 GB/s. The GPU has PCI Express 2.0 interface, and requires 2 motherboard slots. The maximum power consumption of this model is 95 Watt, identical to the reference design.

Please see below for detailed specifications of the card.

Sapphire Radeon HD 4830 512MB GDDR3 PCI-E HDMI GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4830 **MB GDDR3 PCI-E HDMI
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: Dual-Link DVI-I
HDMI
VGA
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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