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

Graphics clock:

750 MHz

Memory size:

512 MB

Memory type:

GDDR5

Memory clock:

800 MHz

Memory clock (effective):

3200 MHz

Memory interface width:

128-bit

Memory bandwidth:

51.2 GB/s

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

Maximum crossfire options:

4-way

Maximum power draw:

80 W

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

Pixel fill rate:

12 Gigapixels/s

Texture fill rate:

24 Gigatexels/s

Single presision compute power:

960 GFLOPS

Double precision compute power:

192 GFLOPS

Standard display connectors:

2 x Dual-Link DVI-I
S-Video

Power connectors:

1 x 6-pin

Audio input for HDMI:

Yes

Width:

Dual-Slot

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