Logitech M720 Triathlon vs Logitech MX Master 3S

Both are flagship contenders for 2026, but they target subtly different buyers. The Logitech M720 Triathlon is listed at ~$39.99 and earns a 4.6/5 score in our research synthesis, while the Logitech MX Master 3S comes in at ~$99.99 with a 4.8/5 rating — a 0.2-point gap that's smaller than it looks on paper.

If price is your tiebreaker, the Logitech M720 Triathlon saves you ~ $60.00 compared to the Logitech MX Master 3S, based on the current catalog reference prices. If you optimize for raw user satisfaction and reviewer ratings, the Logitech MX Master 3S edges ahead. The rest of this comparison breaks down where each one wins, who it's right for, and how they hold up in real-world day-to-day use.

Its standout strength — Battery lasts Long battery life — you won't be hunting for an outlet mid-flight. — is the kind of advantage you notice on day one and continue to appreciate months later.

It's also a strong fit if you value reliability and build quality. Combined with a polished overall experience, the Logitech M720 Triathlon feels like a product designed by a team that obsesses over the details that matter most in the mice category.

The trade-off is that You get solid specs but not the absolute best — weigh what you're giving up.. If that compromise doesn't bother you, this is one of the most well-rounded picks you can make around the ~$39.99 price point.

Where the Logitech M720 Triathlon optimizes for one philosophy, the Logitech MX Master 3S bets on a different combination of priorities — and the result is a product that wins decisively for a specific audience.

Its biggest advantage is Ergonomic shape stays comfortable through long work sessions. That's backed up by MagSpeed wheel is excellent for long documents, spreadsheets, and editing timelines, which is exactly what you want at this price point.

The catch: Mid-range pricing means you're trading some flagship features for better value.. For most buyers, that's a perfectly acceptable trade for what you get back — especially around ~$99.99.

Think long sessions where the difference between "good" and "great" actually changes how you feel about the product. Its supporting features round out the experience nicely.

The Logitech MX Master 3S, by contrast, is the better pick for the user whose week looks more like Ergonomic shape stays comfortable through long work sessions. It handles those scenarios with more confidence than the Logitech M720 Triathlon, and Multi-device pairing makes it easy to bounce between a desktop and laptop.

Travel, commuting, work-from-anywhere, and weekend use all play out slightly differently between the two. The Logitech M720 Triathlon is the safer pick if you don't want to think about the purchase at all — set it up once and it just works. The Logitech MX Master 3S rewards owners who are willing to dig into the settings to extract that extra 10–15% of performance.

The Logitech M720 Triathlon earns its 4.6/5 with consistent, predictable everyday performance, while the Logitech MX Master 3S (4.8/5) counters with MagSpeed wheel is excellent for long documents, spreadsheets, and editing timelines.

Build quality on both is what you'd expect at this tier — premium materials, careful fit and finish, and a feel-in-the-hand that justifies the price. Neither feels cheap, neither flexes when you handle it, and both should comfortably last 3–5 years of daily use without major issues.

Where they part ways is in feel during extended sessions. The Logitech M720 Triathlon has its own ergonomic flavor, while the Logitech MX Master 3S brings Multi-device pairing makes it easy to bounce between a desktop and laptop. Owner reports we've cross-referenced converge on the same point — the right one is usually obvious within five minutes in person.

For shoppers on a tighter budget, that gap can pay for accessories, a case, an extended warranty, or simply stay in your pocket.

But "cheaper" isn't the same as "better value." The Logitech MX Master 3S earns its premium through Ergonomic shape stays comfortable through long work sessions, and if those upgrades match how you actually use the product, the math works out in its favor over a 3-year ownership window.

Our take: if the Logitech MX Master 3S's headline advantage genuinely matters to you, the ~ $60.00 premium is worth it. If you're not sure, the Logitech M720 Triathlon is the smarter starting point — you can always upgrade later, and resale value on top-tier mice stays strong.