Radeon HD 4855 - video card specification

Radeon HD 4855

Architecture

TeraScale (2005−2013)

GPU code name

RV770

Market segment

Desktop

Release date

January 2010

Bus support

-

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

SLI options

-

Core clock speed

575 MHz

CUDA cores

-

Floating-point performance

736.0 gflops

Manufacturing process technology

55 nm

Number of transistors

956 million

Pipelines / CUDA cores

640

Power consumption (TDP)

110 Watt

Maximum GPU temperature

-

Texture fill rate

18.40

Memory type

GDDR5

Maximum RAM amount

512 MB

Memory bus width

256 Bit

Memory clock speed

3600 MHz

Memory bandwidth

115.2 GB/s

Shared memory

-

Display Connectors

1x DVI, 1x HDMI, 1x VGA

Multi monitor support

-

HDMI

+

Maximum VGA resolution

-

Audio input for HDMI

-

DirectX

10.1 (10_1)

CUDA

-

OpenCL

1.1

OpenGL

3.3

Shader Model

4.1

Vulkan

N/A