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Radeon HD 4770 iCooler III / H477FN512H

Specifications of the HIS Radeon HD 4770 iCooler III GPU


HIS Radeon HD 4770 iCooler III (part number H477FN512H) is a Graphics Processing Unit, targeted at desktop market segment. The GPU is based on ATI Radeon HD 4770 model, and built on 40 nm technology. The cards graphics frequency is 750 MHz. Furthermore, it has 640 stream processors, 32 texture units, together with 16 color ROPs. The Radeon HD 4770 iCooler III incorporates 512 MB of GDDR5 memory. Since the memory operates at 800 MHz, and utilizes 128 bit bus, the effective memory bandwidth is 51.2 GB/s. The GPU supports PCI Express 2.0 interface, and uses 2 motherboard slots. This model needs up to 80 Watt of power.

Please see below for detailed specifications of the HIS Radeon HD 4770 iCooler III graphics card.

Name / Brand / Architecture

Manufacturer:HIS
Model:Radeon HD 4770 iCooler III
Part number:H477FN**H
Based on:ATI Radeon HD 4770 [Compare]
Target market segment:Desktop
Die name:RV740
Architecture:Unified Superscalar Shader Architecture
Fabrication process:40 nm
Transistors:826 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:750 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:800 MHz
Memory clock (effective):3.2 GHz
Memory interface width:128-bit
Memory bandwidth:51.2 GB/s

Cores / Texture

Color ROPs:16
Stream processors:**0
Texture units:32
Texture fetches / clock cycle:Up to 128
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.2**
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:4-way

Electric characteristics

Maximum power draw:80 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:**0 x 1600
Maximum DVI resolution:**0 x 1600
Maximum HDMI resolution:**0 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:12 Gigapixels/s
Texture fill rate:24 Gigatexels/s
Single presision compute power:960 GFLOPS
Double precision compute power:192 GFLOPS

External connectors

Standard display connectors:Dual-Link DVI-I
HDMI
VGA
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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