Radeon R9 M270 and RTX A4000 Mobile - video card comparison

Radeon R9 M270

RTX A4000 Mobile

Architecture

GCN (2011−2017)

Ampere (2020−2022)

GPU code name

-

GA104

Market segment

Laptop

Laptop

Release date

April 2014

April 2021

Interface

-

PCIe 4.0 x16

Boost clock speed

-

1680 MHz

Core clock speed

725 MHz

780 MHz

Manufacturing process technology

28 nm

8 nm

Number of transistors

1500 Million

17,400 million

Pipelines / CUDA cores

640

5120

Power consumption (TDP)

-

140 Watt (80 - 125 Watt TGP)

Texture fill rate

-

290.9

Memory type

GDDR5

GDDR6

Maximum RAM amount

4 GB

8 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

4500 MHz

12000 MHz

Memory bandwidth

-

448.0 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12 (FL 11_1)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

-

3.0

OpenGL

-

4.6

Shader Model

-

6.6

Vulkan

-

1.2