Radeon R9 M270 and Radeon Steam Deck 8CU - video card comparison

Radeon R9 M270

Radeon Steam Deck 8CU

Architecture

GCN (2011−2017)

RDNA 2 (2020−2022)

GPU code name

-

RDNA 2 Sephiroth

Market segment

Laptop

Laptop

Release date

April 2014

November 2023

Boost clock speed

-

1900 MHz

Core clock speed

725 MHz

-

Manufacturing process technology

28 nm

6 nm

Number of transistors

1500 Million

-

Pipelines / CUDA cores

640

512

Memory type

GDDR5

-

Maximum RAM amount

4 GB

-

Memory bus width

128 Bit

-

Memory clock speed

4500 MHz

-

Shared memory

-

-

DirectX

12 (FL 11_1)

12_1