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Radeon HD4770 512M GDDR5 / AX4770 512MD5-M

Specifications of the PowerColor Radeon HD4770 512M GDDR5 GPU


PowerColor Radeon HD4770 512M GDDR5 (part number AX4770 512MD5-M) is a desktop Graphics Processing Unit, based on ATI Radeon HD 4770, and fabricated on 40 nm manufacturing process. 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 HD4770 512M GDDR5 incorporates 512 MB of GDDR5 memory. Because the memory is clocked 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 requires 2 slots on the motherboard. This model needs up to 80 Watt of power.

Below you will find more detailed specifications of the PowerColor Radeon HD4770 512M GDDR5 graphics card.

Name / Brand / Architecture

Manufacturer:PowerColor
Model:Radeon HD4770 512M GDDR5
Part number:AX4770 512MD5-M
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: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 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-I
S-Video
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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