Cloud gaming on Wi-Fi: why it stutters and how to fix it

Cloud gaming asks your Wi-Fi to do the two hardest things at the same time: carry a lot, and never hesitate.

Published · 2 min read

In this guide
  1. Why it's harder than Netflix and harder than a console
  2. What the services ask for
  3. Reading the symptoms
  4. Where you play matters most
  5. Quick wins
  6. Test the spot before the session

With cloud gaming, the game runs in a data centre and reaches you as a video stream, while your button presses travel back. No console, no downloads. It's also the most demanding everyday thing you can ask of home Wi-Fi after wireless VR.

Why it's harder than Netflix and harder than a console

  • A film can buffer ahead. Ten seconds of video are downloaded in advance, so a brief dip goes unnoticed. A game can't be buffered: the picture depends on what you pressed a moment ago.
  • A console sends tiny amounts of data. Cloud gaming sends a full video stream, continuously.

So it needs the bandwidth of streaming and the steadiness of online play together: see internet speed for 4K streaming and lag in online games.

What the services ask for

Each service publishes its requirements, and they change, so check the current page. As an order of magnitude they ask for roughly 15 to 25 Mbps for HD and more for 4K, and they recommend a wired connection or 5 GHz Wi-Fi. The emphasis, again, is on a connection that doesn't fluctuate.

Reading the symptoms

  • Blocky, smeared picture: the available bandwidth dipped and the service lowered quality to keep going.
  • Input feels late: response time is high. See latency and jitter.
  • Stutter and freezes: the connection is unsteady or dropping packets. See packet loss.

Where you play matters most

  • On the TV. The hardest case: the TV's radio sits behind the screen, low down. If the TV or streaming box has a network port, use it. See smart TV buffering and streaming stick behind the TV.
  • On a tablet or phone. You can move, so move: play in the room with the router, on 5 GHz.
  • On a laptop. A cable, if one is within reach.

If one device stutters and another is smooth in the same spot, the room is fine and the device is the thing to look at.

Quick wins

  1. Cable for anything that doesn't move.
  2. 5 GHz, close to the router, for anything that does: see 2.4 GHz or 5 GHz by room.
  3. Pause uploads and big downloads in the house while you play.
  4. Pick the nearest server region if the service lets you.

Test the spot before the session

WiFi Heatmap measures response time, its variation and lost requests where you're sitting, which are exactly the three things cloud gaming is sensitive to. Compare the sofa with a spot near the router. If the sofa is clearly worse, no subscription tier will fix it, and a cable or a closer node will.