Peacock is compatible with the devices mentioned below.

Web Browsers – Chrome 11+ (Supported on Windows and Mac), Firefox 11+ (Supported on Windows and Mac), MS Edge 11+ (Supported on Windows and Mac), Safari 14+ (Supported on Mac).
https://click4r.com/posts/g/17865564/what-devices-does-peacock-support Read more : https://www.peacockccomtv.com/

Mobile & Tablet Devices – Peacock is supported by iOS 14 and Android 6.0.

Other Devices –

Amazon Fire TV (Fire OS 5 and above) and Fire Tablet (Fire OS 5 and up).

It also works with Android TV-enabled Smart TVs like Sony Bravia and set-top boxes like NVIDIA Shield that run Android OS 5.1 or above.

Apple TV HD (4th Generation or later) running tvOS 13 or later.

Chromecast

The Xbox One.

The Xbox Series X and S.

Peacock is also available on LG Smart TV via AirPlay, Samsung Smart TV via AirPlay, VIZIO Smart TV, Xfinity Flex, and Xfinity X1.