Twitch: Dual Format Streaming
Twitch's new Dual Format Streaming feature allows you to broadcast both a traditional horizontal stream for web and a mobile-optimized vertical stream at the same time.
This guide will walk you through how to set up Dual Format streaming on Twitch with XSplit Broadcaster.

Requirements
Minimum GPU and Driver Version
- NVIDIA: GTX 900 Series, GTX 1050 variants, GTX 1060 variants, GTX 1650 variants or newer.
- AMD: Radeon RX 5500 or newer
Upstream Bandwidth Bitrate
- 12.5 Mbps when streaming in 1080p.
Setting up Dual Format Streaming

On the upper-right drop-down, select Multi Output Mode. Change Output 2's resolution to 1080 x 1920 (16:9).
- Enable Dual Format in Twitch Properties

In your Twitch Properties, enable Enhanced Broadcasting then Dual Format.
- Start your Dual Format stream

Click on the Stream button to start Dual Format streaming.
Related Articles
Updated on: 18/06/2026
Thank you!