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PCS HD4890 1GB GDDR5 / AX4890 1GBD5-PH

Specifications of the PowerColor PCS HD4890 1GB GDDR5 GPU


PowerColor PCS HD4890 1GB GDDR5 (part number AX4890 1GBD5-PH) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 4890. The GPU is fabricated on 55 nm manufacturing process. The card has 900 MHz graphics clock frequency. It also has 800 stream processors, 16 color ROPs, together with 40 texture units. The PCS HD4890 1GB GDDR5 comes with 1 GB of GDDR5 memory, utilizing 256 bit bus. The memory is clocked at 1 GHz, which results in 128 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and uses 2 slots on the motherboard. The maximum power draw of this model is 190 Watt, same as on the reference design.

More detailed specifications of the PowerColor PCS HD4890 1GB GDDR5 graphics card are available below.

Name / Brand / Architecture

Manufacturer:PowerColor
Model:PCS HD4890 1GB GDDR5
Part number:AX4890 1GBD5-PH
Based on:ATI Radeon HD 4890 [Compare]
Target market segment:Desktop
Die name:RV790 XT
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:959 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:900 MHz

Memory specifications

Memory size:1024 MB
Memory type:GDDR5
Memory clock:1000 MHz
Memory clock (effective):4 GHz
Memory interface width:256-bit
Memory bandwidth:128 GB/s

Cores / Texture

Color ROPs:16
Stream processors:800
Texture units:40
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:190 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:14.4 Gigapixels/s
Texture fill rate:36 Gigatexels/s
Single presision compute power:1440 GFLOPS
Double precision compute power:288 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-I
S-Video
Power connectors:2 x 6-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):9.49 inches (241 mm) x 4.376 inches (111 mm)
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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