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Compare GL.iNet router generations through band support, usable ports and the VPN configuration you need to keep.
Flint 3 is a clearer fit when your upgrade requires 6 GHz clients and several 2.5 Gbps wired connections. Flint 2 remains a candidate when your existing 2.4/5 GHz network and VPN workflow already meet the task. Do not infer VPN performance from the Wi-Fi generation.
What changes on the network diagram
GL.iNet lists Flint 2 with Wi-Fi 6, two 2.5 Gbps ports and four gigabit ports. Flint 3 adds a third wireless band and has five 2.5 Gbps ports in its published layout. The WAN connection consumes a port in normal use, so count the remaining LAN connections.
Flint 3’s guide also describes a switchable WAN/LAN interface. Assign that interface deliberately: using it for a second internet feed means it is not simultaneously a spare LAN socket.
Make the VPN part a separate test
Write down the protocol, provider, required routing rules and devices that should use the tunnel. Include any devices that must stay outside it. A product’s maximum VPN claim cannot establish the rate to your provider, with your settings and server location.
Keep a baseline with the tunnel disconnected and connected. Repeat the same task after migration. That comparison distinguishes a radio improvement from a change in the encrypted route.
Check migration compatibility
- Save the existing configuration and note which features are essential.
- Read the destination model’s current documentation before importing any settings file.
- Set up one test client and verify both normal internet and the intended VPN policy.
- Confirm local printer or storage access, then add the remaining devices.
Choose Flint 3 for an identifiable radio or port requirement, not simply because three follows two. Keep or choose Flint 2 when it satisfies the whole task at a better complete cost. Advanced configuration flexibility also requires someone willing to maintain it.
This is a documentation-based comparison. The article does not rank measured wireless coverage, VPN throughput or long-term reliability.
Sources and editorial notes
Sources checked 8 October 2026. Independent guidance and original illustrations; product comparisons use published specifications rather than hands-on benchmarks. Check the exact model, revision and regional documentation before changing settings.