Radeon HD 6640G2 and RV635 - video card comparison

Radeon HD 6640G2

RV635

Architecture

Terascale 2 (2009−2015)

TeraScale (2005−2013)

GPU code name

-

RV635

Market segment

Laptop

Desktop

Release date

June 2011

-

Manufacturing process technology

40 nm

55 nm

Number of transistors

-

378 million

Pipelines / CUDA cores

560

120

Shared memory

-

-

DirectX

11

10.1 (10_1)

OpenCL

-

N/A

OpenGL

-

3.3

Shader Model

-

4.1

Vulkan

-

N/A