home > Radeon HD 4770

 
Radeon HD 4770

Specifications of the ATI Radeon HD 4770 GPU


ATI Radeon HD 4770 Graphics Processing Unit for desktop market segment utilizes Unified Superscalar Shader architecture, and was launched in April 2009. The GPU is manufactured on 40 nm technology. The card has graphics clocked at 750 MHz. It also has 640 stream processors, 16 color ROPs, as well as 32 texture units. The Radeon HD 4770 comes with 512 MB of GDDR5 memory. The memory uses 128 bit bus, and runs at 800 MHz. This allows the card to have 51.2 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and requires 2 slots on the motherboard. This model uses up to 80 Watt of power.

More detailed specifications of the ATI Radeon HD 4770 graphics unit you will find below.

Name / Brand / Architecture

Manufacturer:ATI
Model:Radeon HD 4770
Reference card?:Yes
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
Launch date:April 2009

Frequency

Graphics clock:750 MHz

Memory specifications

Memory size:512 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:640
Texture units:32
Texture fetches / clock cycle:Up to 128
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:80 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:2560 x 1600
Maximum DVI resolution:2560 x 1600
Maximum HDMI 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: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:2 x Dual-Link DVI
DisplayPort
HDMI
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
Email:info@Mobilegpu.com  All rights reserved.