A 160 MHz channel can give Wi-Fi 6 a higher top speed than an 80 MHz channel, but it is not always the better setting. Both your router and device must support it, and a wider channel can pick up more interference.
80 MHz vs 160 MHz at a glance
| Setting | Main advantage | Main trade-off |
|---|---|---|
| 80 MHz | High speeds with less spectrum occupied | Lower maximum link rate than 160 MHz under the same conditions |
| 160 MHz | Higher potential speeds on compatible devices | More spectrum needed and more possible interference |
MHz describes channel width. It is not the same as your internet plan’s Mbps. With the same number of wireless streams and signal conditions, doubling width can roughly double the theoretical link rate. That does not mean downloads will run twice as fast.
What the older comparison found
The original article reported tests with an ASUS RT-AX86U, an Intel AX200 client and a Xiaomi Mi 11 Ultra. Its results are historical measurements from that setup, not new tests performed for this update.
| Client near the router | Reported 80 MHz result | Reported 160 MHz result |
|---|---|---|
| Intel AX200 | 777 Mbps | 1,125 Mbps |
| Xiaomi Mi 11 Ultra | 850 Mbps | About 900 Mbps |
The article also listed 909 Mbps for a separate initial phone test. These figures show why a wider channel’s benefit depends on the client. Results elsewhere in the house differed, so they do not prove that 160 MHz will improve every room or device.
Why your speed may be lower
- Device support: the Wi-Fi 6 label alone does not guarantee 160 MHz support. Check the exact router and adapter specifications.
- Signal and interference: walls, distance and nearby networks affect the usable speed.
- DFS channels: some 5 GHz channels require radar checks. A router may wait, change channels or use a narrower width when required.
- Other limits: your internet plan, server, Ethernet port or storage can cap a transfer before Wi-Fi reaches its maximum.
A chipset’s advertised features also do not prove that every phone using it enables all those features. Check the finished device rather than assuming it supports 6 GHz or every channel width.
Test both settings at home
- Note your current router settings and update the router and adapter using their official support routes.
- Test 80 MHz with the same device, location and download or local transfer.
- Change only channel width to 160 MHz if the router and local rules allow it.
- Repeat several times, including in the rooms you normally use.
- Keep the setting that gives dependable speed without disconnects.
If 160 MHz causes drops, try 80 MHz; a narrower setting may also help in a crowded area. Do not change the router’s country setting to unlock restricted channels. For everyday use, compare the results with streaming speed needs. If your phone cannot see the network, start with our missing Wi-Fi network checks.
Sources: Intel Wi-Fi protocols and rates, Intel channel-width guidance and ASUS DFS guidance.
Information checked October 13, 2026, using the guides linked above.