TP-Link Archer AX21 vs TP-Link Deco BE25

The TP-Link Archer AX21 wins this comparison on price and owner rating, the two categories the overall verdict weighs; warranty ties at two years for both. The TP-Link Deco BE25 is the newer Wi-Fi 7 mesh system, so buyers who need to cover a larger home may still prefer it despite the higher price.

Design and Wi-Fi generation. The Archer AX21 is a single dual-band Wi-Fi 6 router, while the Deco BE25 is an expandable dual-band Wi-Fi 7 mesh system with MLO and a higher 5 Gbps combined rating.

The TP-Link Deco BE25, since it is designed as a mesh system: adding units extends coverage seamlessly. The TP-Link Archer AX21 is sold as a single router, though it supports EasyMesh and OneMesh for adding nodes later.

The TP-Link Deco BE25, with two 2.5 Gbps ports per unit. The TP-Link Archer AX21 tops out at Gigabit speeds across its one WAN and four LAN ports.

Buyers who want the cheapest, simplest way into Wi-Fi 6 for an apartment or small home, with router-level VPN and a dedicated IoT network, should buy the TP-Link Archer AX21.

Buyers covering more than one room or floor who want affordable Wi-Fi 7 mesh, MLO and a highly rated app for easy setup should buy the TP-Link Deco BE25.