Radeon Pro 555 and A2 - video card comparison

Radeon Pro 555

A2

Architecture

Polaris (2016−2019)

Ampere (2020−2022)

GPU code name

Polaris 21

GA107

Market segment

Mobile workstation

Desktop

Release date

June 2017

November 2021

Interface

PCIe 3.0 x8

PCIe 4.0 x8

Supplementary power connectors

None

None

Boost clock speed

-

1770 MHz

Core clock speed

855 MHz

-

Floating-point performance

1,306 gflops

-

Manufacturing process technology

14 nm

8 nm

Number of transistors

3,000 million

-

Pipelines / CUDA cores

768

1280

Power consumption (TDP)

-

60 Watt

Texture fill rate

40.80

70.80

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

16 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

5080 MHz

12.5 GB/s

Memory bandwidth

81.6 GB/s

200.1 GB/s

Shared memory

-

-

Display Connectors

No outputs

No outputs

DirectX

12 (12_0)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.4

6.6

Vulkan

1.2.131

1.2

FreeSync

+

-