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Radeon HD 4550 Overclock / GV-R455OC-1GI

Specifications of the GIGABYTE Radeon HD 4550 Overclock GPU


GIGABYTE Radeon HD 4550 Overclock (part number GV-R455OC-1GI) is one of a few GIGABYTE desktop graphics processing units, based on ATI Radeon HD 4550 GDDR3. The GPU, built on 55 nm technological process, features Unified Superscalar Shader architecture. The card has graphics clocked at 650 MHz. It also has 80 stream processors, 8 texture units, as well as 4 color ROPs. The Radeon HD 4550 Overclock embeds 1 GB of GDDR3 memory. Since the memory runs at 800 MHz, and uses 64 bit bus, the effective memory bandwidth is 12.8 GB/s. The GPU supports PCI Express 2.0 interface, and needs a single slot on the motherboard. The maximum power consumption of this model is 25 Watt, on a par with the reference design.

More detailed specifications of the GIGABYTE Radeon HD 4550 Overclock card are available below.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 4550 Overclock
Part number:GV-R455OC-1GI
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:650 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR3
Memory clock:800 MHz
Memory clock (effective):1.6 GHz
Memory interface width:**-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.2**
MPEG 1
MPEG-2
VC-1

Electric characteristics

Maximum power draw:25 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:**0 x 1600
Maximum DVI resolution:**0 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:2.6 Gigapixels/s
Texture fill rate:5.2 Gigatexels/s
Single presision compute power:104 GFLOPS
Double precision compute power:n/a

External connectors

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

Dimensions

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
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