Radeon RX 490M and GeForce4 420 Go - video card comparison

Radeon RX 490M

GeForce4 420 Go

Architecture

Polaris (2016−2019)

Celsius (1999−2005)

GPU code name

Polaris

NV17M

Market segment

Laptop

Laptop

Release date

August 2016

March 2002

Interface

-

AGP 4x

Boost clock speed

-

190 MHz

Core clock speed

-

200 MHz

Manufacturing process technology

14 nm

150 nm

Number of transistors

-

29 million

Pipelines / CUDA cores

-

2

Texture fill rate

-

0.8

Memory type

GDDR5

DDR

Maximum RAM amount

-

64 MB

Memory bus width

-

32 Bit

Memory clock speed

-

400 MHz

Memory bandwidth

-

3.2 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12

8.0

OpenCL

-

N/A

OpenGL

-

1.3

Vulkan

-

N/A