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Radeon HD 4890 1GB DDR5 PCI-E

One of a few Sapphire Graphics Processing Units, based on ATI Radeon HD 4890, Sapphire Radeon HD 4890 1GB DDR5 PCI-E is manufactured on 55 nm technology. The card is aimed at desktop market. The card's graphics frequency is 850 MHz. Furthermore, it has 800 stream processors, 40 texture units, and 16 color ROPs. The Radeon HD 4890 1GB DDR5 PCI-E incorporates 1 GB of GDDR5 memory. Since the memory is clocked at 975 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 124.8 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 slots on the motherboard. This model uses up to 190 Watt of power.

Below you will find more detailed specifications of the graphics card.

Sapphire Radeon HD 4890 1GB DDR5 PCI-E GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 4890 1GB DDR5 PCI-E
Based on:  
Target market segment: Desktop
Die name:  
Architecture:  
Fabrication process:  
Transistors:  
Bus interface:  

Frequency

Graphics clock: 850 MHz

Memory specifications

Memory size: ** MB
Memory type: GDDR5
Memory clock:  
Memory clock (effective):  
Memory interface width:  
Memory bandwidth:  

Cores / Texture

Color ROPs:  
Stream processors:  
Texture units:  
Texture fetches / clock cycle:  
Textures/pixel:  
RAMDACs:  
Decoders:  

SLI / Crossfire

Maximum crossfire options:  

Electric characteristics

Maximum power draw:  

Video features

Multi-monitor:  
Maximum digital resolution:  
Maximum DVI resolution:  
Maximum VGA resolution:  
Anti-Aliasing technologies:  
HDMI:  
HDMI version:  

Performance

Pixel fill rate:  
Texture fill rate:  
Single presision compute power:  
Double precision compute power:  

External connectors

Standard display connectors:  
Power connectors:  
Audio input for HDMI:  

Dimensions

Width:  

Other features / Support

Other features:  
Open CL support:  
OpenGL support:  
DirectX support:  
Shader model:  
Windows driver support:  
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