Wi-Fi 5 vs Wi-Fi 6 vs 6E vs Wi-Fi 7: What's the Difference and Should You Upgrade?
Wi-Fi generations explained in plain English: real speed differences, the 6 GHz band, Multi-Link Operation in Wi-Fi 7, mesh systems, and whether a new router will actually help.
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The generations at a glance
| Name | Standard | Bands | Key improvement |
|---|---|---|---|
| Wi-Fi 4 | 802.11n (2009) | 2.4 / 5 GHz | MIMO antennas |
| Wi-Fi 5 | 802.11ac (2013) | 5 GHz | Wider channels, much faster 5 GHz |
| Wi-Fi 6 | 802.11ax (2019) | 2.4 / 5 GHz | OFDMA: handles many devices at once efficiently; Target Wake Time saves battery |
| Wi-Fi 6E | 802.11ax | + 6 GHz | A new, uncrowded 6 GHz band (where permitted) |
| Wi-Fi 7 | 802.11be (2024) | 2.4 / 5 / 6 GHz | 320 MHz channels, 4K-QAM, Multi-Link Operation (MLO) |
The headline speeds on router boxes (such as "BE19000") add up every band at its theoretical best. A single phone will see a fraction of that. Look at real-world reviews instead.
What Wi-Fi 7 actually adds
- Multi-Link Operation: a device can use several bands at once or switch instantly, which improves reliability and latency.
- 320 MHz channels on 6 GHz: roughly double the width of Wi-Fi 6E's widest channels, for very high speeds at close range.
- 4K-QAM: packs more data into each transmission when the signal is strong.
You need Wi-Fi 7 on both the router and the device to benefit; older devices still connect, using their own standard.
The 6 GHz band, simply
6 GHz offers lots of clean channels with little interference, great for fast speeds in the same room or the next one. But higher frequencies pass through walls less well than 2.4 GHz, so it complements rather than replaces the other bands. Availability depends on your country's regulations.
Fix coverage before chasing speed
- Put the router high, central and in the open, not in a cabinet or behind the TV.
- Update its firmware.
- For multi-storey or large homes, use a mesh system with wired (Ethernet) backhaul if possible.
- Plug consoles, desktop PCs and TVs into Ethernet when you can.
Not sure how much speed your household needs? Try the calculator:
Free toolInternet Speed Needs CalculatorThe Mbps your household really needs.Open →Quick answers
Will Wi-Fi 7 make my internet faster?
Only if Wi-Fi was the bottleneck. With a 100 Mbps plan, a Wi-Fi 6 router already delivers the full speed in most rooms.
Do I need a new phone to use Wi-Fi 7?
To use its features, yes. Your current devices will still work with a Wi-Fi 7 router.