Radeon HD 7640G and Radeon RX 490M - video card comparison

Radeon HD 7640G

Radeon RX 490M

Architecture

Terascale 3 (2010−2013)

Polaris (2016−2019)

GPU code name

Trinity

Polaris

Market segment

Laptop

Laptop

Release date

May 2012

August 2016

Interface

IGP

-

Boost clock speed

686 MHz

-

Core clock speed

497 MHz

-

Manufacturing process technology

32 nm

14 nm

Number of transistors

1,303 million

-

Pipelines / CUDA cores

256

-

Power consumption (TDP)

35 Watt

-

Texture fill rate

10.96

-

Memory type

System Shared

GDDR5

Maximum RAM amount

System Shared

-

Memory bus width

System Shared

-

Memory clock speed

System Shared

-

Shared memory

+

-

Display Connectors

No outputs

-

DirectX

11.2 (11_0)

12

OpenCL

1.2

-

OpenGL

4.4

-

Shader Model

5.0

-

Vulkan

N/A

-