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.


Twitch Dual Format streaming with XSplit Broadcaster




Requirements


Requirement

1080p or lower

2K (1440p)

NVIDIA GPU

GTX 900 series; GTX 1050, GTX 1060, or GTX 1650 variants; or newer

GTX 1660, GTX 1070, or GTX 1080 series; or RTX 20-series and newer

AMD GPU

Radeon RX 5500 or newer

Radeon RX 5500 or newer

Operating system

Windows 10/11

Windows 10/11

Minimum upstream bitrate

12.5 Mbps

14 Mbps

Video tracks

2 tracks: one 16:9 horizontal and one 9:16 vertical

2 tracks: one 16:9 horizontal and one 9:16 vertical

Transcoding

Full quality ladder for both streams

Full quality ladder for both streams

Vertical canvas

1080 × 1920

1080 × 1920

2K (1440p) note: Only the horizontal stream will be broadcast at 1440p.



Setting up Dual Format Streaming


  1. Switch to Multi Output Mode

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


  1. Enable Dual Format in Twitch Properties

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


  1. Start your Dual Format stream

Click on the Stream button to start Dual Format streaming.



Updated on: 25/08/2026

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