Deco BE25 vs eero 7

Buy the Deco BE25 if the house is larger than about 4,000 square feet or the budget is the binding constraint. Buy the eero 7 if somebody in the house has to be able to fix the Wi-Fi without you, or you already own eero gear or Alexa devices. On radios and wiring these two systems are close enough that the difference will not show up in your house. On everything around the radios they are not close at all, and that is where the decision lives.

What they have in common, which is most of it

Both are dual-band Wi-Fi 7 systems. Neither has a 6 GHz radio. That matters more than the Wi-Fi 7 badge does, so it is worth being clear about what you are and are not getting: you get multi-link operation, which lets a Wi-Fi 7 client use 2.4 GHz and 5 GHz at the same time and is genuinely useful on a congested network. You do not get a third band, which means you do not get a lane reserved for the nodes to talk to each other on. What mesh backhaul actually means explains why that is the most consequential spec on any mesh box, and tri-band versus dual-band mesh is the decision framework if you are not sure which side of that line your house sits on.

Both also carry two 2.5 Gbps Ethernet ports per unit, which is the reason either of them is worth buying at this tier. A dual-band mesh system that is wired between nodes outperforms a tri-band one that is not, every time, because a cable removes the retransmission penalty rather than merely working around it. If you can get a cable or a pair of MoCA adapters between two of these units, you have bought a system that punches well above its price.

Where the Deco wins: rated coverage per dollar

TP-Link rates a single BE25 at up to 2,600 square feet and the system at up to 6,600 square feet whole-home. eero rates each eero 7 at 2,000 square feet. Those are both marketing ceilings and neither will hold in a house with real walls, but the ratio between them is informative: the Deco claims roughly 30% more area per unit, and it is usually the cheaper of the two.

In practice that translates into a simple rule. If you are sizing for a house over about 4,000 square feet, the Deco three-pack gets you to the far corners for less money, and you can always wire a unit if the far hop is weak. Our 3,000 sq ft mesh sizing page and how many mesh nodes you need both argue that node count beats per-node specification at this end of the market, and that is exactly the Deco's case.

The Deco also publishes higher per-band radio rates — 4,324 Mbps on 5 GHz against eero's stated wireless ceiling of about 1.8 Gbps. Be careful with that comparison: the two companies are quoting different things, and a theoretical PHY rate is not a throughput you will see. What it tells you is that the Deco has more raw 5 GHz radio, which helps most on a wireless backhaul hop.

Where the eero wins: everything after setup

The eero app is the least demanding software in home networking, and the gap is not small. Setup is guided, node placement advice is built in, and eero's TrueMesh and TrueRoam logic handles band steering and roaming without being told to. eero also publishes genuinely useful placement guidance — never put a node in the dead zone, keep units 20 to 30 feet apart and no more than 50 when wireless — which is the single most common reason a mesh install underperforms. Where to put mesh nodes goes through it.

The eero 7 also carries a smart-home radio stack the Deco does not: Thread and Zigbee, Bluetooth Low Energy, and Matter support as a controller. If you own or plan to own Matter or Thread devices, that removes a separate bridge from the house. And it works with Alexa, which cuts both ways depending on how you feel about an Amazon account being part of your router.

The case against both of them

If your house is large, has thick walls or multiple floors, and you have no way to run a cable, a dual-band system is the wrong tool and both of these will disappoint you at the far node. The missing 6 GHz band is not a feature gap you can tune your way out of — the satellites have to borrow the air your devices are using. In that house, spend the extra on a tri-band system with a reserved backhaul instead: best mesh for large homes and best mesh for thick walls are the two pages for it.

And if the real problem is one stubborn room rather than the whole house, a mesh system may be more hardware than the job needs. Mesh Wi-Fi versus an extender is the cheaper branch of that decision, and diagnosing the dead zone first is what we would do before buying either.

The verdict, by house

• Under 2,500 sq ft, one or two floors: either works. Take the cheaper one on the day, or the eero if you want the smart-home hub.
• 2,500 to 4,000 sq ft, wired or wireable: the Deco BE25, and run a cable to the far unit. This is the best value combination either product offers.
• Over 4,000 sq ft, no cable route: neither. Buy tri-band with a dedicated backhaul.
• Matter or Thread devices in the house: the eero 7, because the hub is already in the box.
• Somebody non-technical has to own the network: the eero 7, without hesitation.

How we picked

We do not run a test lab. Rankings here are built from the manufacturers' published specifications, measurements taken by independent outlets that do have labs, and the structural reasoning on this site about what a given house or job actually needs. Every product was checked as currently sold before it was included. Where a figure appears it is attributed and linked in Sources; where we have no basis for a claim, it is left out. Our methodology sets out exactly what we will and will not assert.