Radeon RX 550 and GeForce GTX 1660 Ti Mobile Refresh - video card comparison

Radeon RX 550

GeForce GTX 1660 Ti Mobile Refresh

Architecture

GCN 4.0 (2016−2020)

Turing (2018−2021)

GPU code name

Lexa

TU116B

Market segment

Desktop

Laptop

Release date

April 2017

May 2019

Interface

PCIe 3.0 x8

PCIe 3.0 x16

Supplementary power connectors

None

Boost clock speed

1183 MHz

1590 MHz

Core clock speed

1100 MHz

Floating-point performance

1,211 gflops

Manufacturing process technology

14 nm

12 nm

Number of transistors

2,200 million

6,600 million

Pipelines / CUDA cores

512

1536

Power consumption (TDP)

50 Watt

Texture fill rate

37.86

152.6

Memory type

GDDR5

GDDR6

Maximum RAM amount

4 GB

6 GB

Memory bus width

128 Bit

192 Bit

Memory clock speed

7000 MHz

16 GB/s

Memory bandwidth

112.0 GB/s

384.0 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

1x DVI, 1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (12_0)

12 (12_1)

CUDA

7.5

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.2.131

1.2