The names, briefly
Wi-Fi 5 is the marketing name for 802.11ac, and Wi-Fi 6 for 802.11ax. The numbers were introduced because the letters had become impossible to reason about. Wi-Fi 6E is Wi-Fi 6 with access to an additional band, discussed below.
What Wi-Fi 6 actually improves
The headline is a higher maximum speed, and that is the least relevant part for television. A single HD stream needs a small fraction of what Wi-Fi 5 already delivers, so a faster ceiling changes nothing.
The real improvements are about handling many devices at once.
Sharing airtime more efficiently
Wi-Fi 5 largely serves one device at a time, very quickly. Wi-Fi 6 can serve several simultaneously by dividing each transmission between them. In a house with twenty connected things, that reduces the queue every device waits in — and queueing is what makes a live stream stutter.
Scheduling when devices talk
Wi-Fi 6 lets the router tell devices when to transmit rather than having them compete. Fewer collisions means fewer retries, and retries are a direct cause of the jitter that live television dislikes.
Better behaviour at the edges
Improvements to how signals are encoded make weak connections somewhat more reliable, though they do not extend range meaningfully.
Why it may do nothing for you
Three conditions have to hold before any of it applies.
- The television must support Wi-Fi 6 too. A Wi-Fi 6 router talking to a Wi-Fi 5 television communicates as Wi-Fi 5. Most televisions and sticks in use today are Wi-Fi 5.
- The benefits are about congestion. If the problem is distance, walls or a weak signal, Wi-Fi 6 does not fix it — that is coverage, addressed in Wi-Fi optimisation.
- Your bottleneck must be the Wi-Fi. If the broadband line is the constraint, the network inside the house is irrelevant.
This is why people upgrade a router, see no change, and conclude the standard is marketing. It is not — but it solves a problem they may not have.
When upgrading is worth it
Worth it when a busy household has many active devices and streams degrade at exactly the times everyone is home. That is congestion, which is what Wi-Fi 6 addresses.
Worth it if your existing router is old enough that its problems are age rather than standard — an ageing Wi-Fi 5 router may be beaten by a new one regardless of the label.
Not worth it for one television that stutters. Buy a cable, or a mesh node, for a fraction of the price. Our guide to Ethernet vs Wi-Fi covers why that is the more reliable spend.
Not worth it if your devices are all Wi-Fi 5, unless you plan to replace them soon anyway.
What about Wi-Fi 6E and Wi-Fi 7?
Wi-Fi 6E adds the 6 GHz band, which is currently almost empty. In a congested block of flats that emptiness is genuinely valuable — but range is shorter still than 5 GHz, and both router and device must support it. For a television one room from the router it can be excellent; through the house it is often worse than 5 GHz.
Wi-Fi 7 continues the pattern: higher ceilings and better handling of many devices. The same reasoning applies. For a single television, none of this competes with a cable.
Frequently asked questions
Will Wi-Fi 6 stop my IPTV buffering?
Only if the cause is congestion from many devices. Wi-Fi 6 improves how a network shares airtime, not coverage. If the problem is distance or walls, it will not help.
Do I need a Wi-Fi 6 TV to benefit?
Yes. A Wi-Fi 6 router talking to a Wi-Fi 5 television falls back to Wi-Fi 5 for that connection. Most televisions and streaming sticks in use are still Wi-Fi 5.
Is Wi-Fi 6 faster than Wi-Fi 5 for streaming?
The maximum speed is higher, but a television stream uses a small fraction of what Wi-Fi 5 already provides. The useful gains are in handling many devices at once, not raw speed.
Should I buy Wi-Fi 6E?
Only if the router and device both support it and the television is close by. The 6 GHz band is uncongested, which helps in flats, but its range is shorter than 5 GHz.