Switch GPU 20nm and Radeon RX 6600 - video card comparison

Switch GPU 20nm

Radeon RX 6600

Architecture

Maxwell 2.0 (2015−2019)

Navi / RDNA2 (2020−2022)

GPU code name

GM20B

Navi 23

Market segment

Desktop

Release date

March 2017

October 2021

Interface

IGP

PCIe 4.0 x8

Supplementary power connectors

None

1x 8-pin

Boost clock speed

768 MHz

2491 MHz

Core clock speed

2044 MHz

Manufacturing process technology

20 nm

7 nm

Number of transistors

2,000 million

11,060 million

Pipelines / CUDA cores

256

1792

Power consumption (TDP)

15 Watt

132 Watt

Texture fill rate

12.29

279.0

Memory type

DDR4

GDDR6

Maximum RAM amount

4 GB

8 GB

Memory bus width

64 Bit

128 Bit

Memory clock speed

3.2 GB/s

14500 MHz

Memory bandwidth

25.6 GB/s

224.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (12_1)

12.0 Ultimate (12_2)

CUDA

5.3

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.1

1.2