GeForce GTX 1660 and Radeon Pro W6900X - video card comparison

GeForce GTX 1660

Radeon Pro W6900X

Architecture

Turing (2018−2021)

RDNA 2.0 (2020−2022)

GPU code name

Turing TU116

Navi 21

Market segment

Desktop

Workstation

Release date

March 2019

August 2021

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1785 MHz

2150 MHz

Core clock speed

1530 MHz

Manufacturing process technology

12 nm

7 nm

Number of transistors

6,600 million

26,800 million

Pipelines / CUDA cores

1408

5120

Power consumption (TDP)

120 Watt

300 Watt

Texture fill rate

157.1

688.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

6 GB

32 GB

Memory bus width

192 Bit

256 Bit

Memory clock speed

8000 MHz

16 GB/s

Memory bandwidth

192.1 GB/s

512.0 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

1x HDMI, 4x Thunderbolt

HDMI

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

7.5

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

6.5

Vulkan

1.2.131

1.2