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Radeon HD 4830 512MB GDDR3 PCI-E

One of a few Sapphire Graphics Processing Units, based on ATI Radeon HD 4830, Sapphire Radeon HD 4830 512MB GDDR3 PCI-E is built using 55 nm technological process. The card is aimed at desktop market. The card's graphics frequency is 575 MHz. It also has 640 stream processors, 32 texture units, and 16 color ROPs. The Radeon HD 4830 512MB GDDR3 PCI-E has 512 MB of GDDR3 memory. Because the memory operates at 900 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 57.6 GB/s. The GPU has PCI Express 2.0 interface, and uses 2 slots on the motherboard. This model requires up to 95 Watt of power.

More detailed specifications of the card are available below.

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

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4830 512MB 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: 512 MB
Memory type: GDDR3
Memory clock: 900 MHz
Memory clock (effective): 1.8 GHz
Memory interface width: 256-bit
Memory bandwidth: 57.6 GB/s

Cores / Texture

Color ROPs: 16
Stream processors: 640
Texture units: 32
Texture fetches / clock cycle: Up to 160
Textures/pixel: Up to 128
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: 95 W

Video features

Multi-monitor: Up to 2 displays
Maximum digital resolution: 2560 x 1600
Maximum DVI resolution: 2560 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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