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Radeon HD 4550 HyperMemory / GV-R455HM-512I

Specifications of the GIGABYTE Radeon HD 4550 HyperMemory GPU


GIGABYTE Radeon HD 4550 HyperMemory (part number GV-R455HM-512I) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 4550 GDDR3. The GPU is produced on 55 nm technology. The card has 600 MHz graphics clock frequency. It also has 80 stream processors, 4 color ROPs, along with 8 texture units. The Radeon HD 4550 HyperMemory comes with 128 MB of GDDR3 memory. Because the memory operates at 800 MHz, and utilizes 64 bit bus, the effective memory bandwidth is 12.8 GB/s. The GPU supports PCI Express 2.0 interface, and needs 1 slot on the motherboard. This model requires up to 25 Watt of power, same as on the reference design.

More detailed specifications of the GIGABYTE Radeon HD 4550 HyperMemory card you will find below.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 4550 HyperMemory
Part number:GV-R455HM-512I
Based on:ATI Radeon HD 4550 GDDR3 [Compare]
Target market segment:Desktop
Die name:RV710
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:242 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:600 MHz

Memory specifications

Memory size:128 MB
Memory type:GDDR3
Memory clock:800 MHz
Memory clock (effective):1.6 GHz
Memory interface width:64-bit
Memory bandwidth:12.8 GB/s

Cores / Texture

Color ROPs:4
Stream processors:80
Texture units:8
Texture fetches / clock cycle:Up to 32
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.264
MPEG 1
MPEG-2
VC-1

Electric characteristics

Maximum power draw:25 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:2560 x 1600
Maximum DVI resolution:2560 x 1600
Maximum HDMI resolution:1920 x 1200
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:12 x CFAA
8 x MSAA
Adaptive MSAA & SSAA
HDMI:Yes
HDMI version:1.3

Performance

Pixel fill rate:2.4 Gigapixels/s
Texture fill rate:4.8 Gigatexels/s
Single presision compute power:96 GFLOPS
Double precision compute power:n/a

External connectors

Standard display connectors:Dual-Link DVI-I
HDMI
VGA
Audio input for HDMI:Yes

Dimensions

Size (length x height):7.05 inches (179 mm) x 4.95 inches (126 mm)
Width:Single-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

Notes


HyperMemory Technology: Memory dynamically allocated up to 512MB for maximum performance
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