The WiFi Standards Landscape Is Changing Fast
WiFi standards seem to get updated every few years, and the naming has finally gotten clearer — WiFi 5, WiFi 6, WiFi 6E, WiFi 7. But what do these versions actually mean for your day-to-day experience? And is it worth upgrading your router and devices?
A Quick Overview of Each Standard
WiFi 6 (802.11ax)
Released in 2019, WiFi 6 brought major improvements over WiFi 5, especially in dense environments. Key features:
- OFDMA — Allows a single transmission to serve multiple clients simultaneously, reducing latency in crowded networks
- MU-MIMO (8x8) — Up to 8 simultaneous spatial streams
- Target Wake Time (TWT) — Devices "sleep" when not in use, dramatically improving battery life for IoT and mobile devices
- Operates on 2.4 GHz and 5 GHz bands
- Max theoretical speed: ~9.6 Gbps
WiFi 6E (802.11ax Extended)
WiFi 6E is essentially WiFi 6, but with access to the newly opened 6 GHz band. This is a big deal because:
- The 6 GHz band is less congested — fewer devices competing for airspace
- Up to 7 additional 160 MHz channels available (compared to just 1-2 on 5 GHz)
- Lower latency and more consistent speeds in high-density areas
- Shorter range than 2.4/5 GHz — walls and obstacles affect it more
WiFi 7 (802.11be)
The newest standard, WiFi 7, pushes the envelope further:
- Multi-Link Operation (MLO) — Devices can simultaneously use multiple bands, dramatically improving speed and reliability
- 320 MHz channel width (double WiFi 6E's max)
- 4096-QAM modulation (vs. 1024-QAM in WiFi 6)
- Max theoretical speed: ~46 Gbps
- Operates across 2.4 GHz, 5 GHz, and 6 GHz simultaneously
Standards Comparison Table
| Feature | WiFi 6 | WiFi 6E | WiFi 7 |
|---|---|---|---|
| IEEE Standard | 802.11ax | 802.11ax | 802.11be |
| Frequency Bands | 2.4 & 5 GHz | 2.4, 5 & 6 GHz | 2.4, 5 & 6 GHz |
| Max Channel Width | 160 MHz | 160 MHz | 320 MHz |
| Max Theoretical Speed | ~9.6 Gbps | ~9.6 Gbps | ~46 Gbps |
| Multi-Link Operation | No | No | Yes |
Should You Upgrade?
Here's the honest answer:
- If you're on WiFi 5 or older — Yes, upgrading to WiFi 6 is a meaningful improvement, especially if you have many devices.
- If you're on WiFi 6 — WiFi 6E is a worthwhile upgrade if you're in a congested area (apartment building, dense office). Otherwise, you may not notice a big difference.
- WiFi 7 — Future-proof and impressive on paper, but real-world benefits are only noticeable if your internet connection and devices can keep up. Worth considering if buying new hardware now for a long lifespan.
Remember: your router is only half the equation. Client devices (laptops, phones) must also support the standard to benefit from it.