Radeon RX 6600M and RTX A3000 Mobile - video card comparison

Radeon RX 6600M

RTX A3000 Mobile

Architecture

RDNA 2 (2020−2022)

Ampere (2020−2022)

GPU code name

R21M-E65-70

GA104

Market segment

Laptop

Release date

September 2020

April 2021

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

2177 MHz

1560 MHz

Core clock speed

2068 MHz

1080 MHz

Manufacturing process technology

7 nm

8 nm

Number of transistors

11,060 million

17,400 million

Pipelines / CUDA cores

1792

4096

Power consumption (TDP)

100 Watt (50 - 100 Watt TGP)

130 Watt (60 - 115 Watt TGP)

Texture fill rate

235.8

237.6

Memory type

GDDR6

Maximum RAM amount

8 GB

12 GB

Memory bus width

128 Bit

192 Bit

Memory clock speed

14000 MHz

Memory bandwidth

256.0 GB/s

336.0 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 Ultimate (12_2)

CUDA

8.6

OpenCL

2.1

3.0

OpenGL

4.6

Shader Model

6.5

6.6

Vulkan

1.2