Compare · Updated 20 Oct 2026
Logitech MX Master 3S vs Logitech M720 Triathlon
Get the Logitech MX Master 3S. Unless you want to spend as little as possible — then the M720 Triathlon is comfortable for much less.
Logitech MX Master 3S
Nearly the same comfortable shape, MagSpeed wheel and quiet clicks as the MX Master 4, for less. You only miss the haptic panel and shortcut ring.
Logitech M720 Triathlon
A cheap, comfortable contoured mouse that switches between three devices, with a free-spinning wheel and a thumb button. It's not vertical, and it's small for large hands.
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The short answer
The MX Master 3S has a bigger, more supportive shape, the fast MagSpeed wheel, a thumb wheel, quiet clicks and a rechargeable battery. The M720 is a comfortable contoured mouse that switches between three devices for much less, but it's small for large hands.
Get the MX Master 3S if
- —You work at a computer all day.
- —You have medium to large hands.
- —You want sideways scrolling and quiet clicks.
Get the M720 Triathlon if
- —You want a comfortable mouse for as little as possible.
- —You switch between a laptop, desktop and tablet.
- —Your hands are small to medium.
Key differences
Shape
Big and supportive
MX Master 3S
Contoured, small for large hands
M720 Triathlon
Scrolling
MagSpeed wheel plus thumb wheel
MX Master 3S
Free-spinning wheel
M720 Triathlon
Devices
Three
MX Master 3S
Three
M720 Triathlon
Power
Rechargeable, about 70 days
MX Master 3S
One AA, up to two years
M720 Triathlon
Pros and cons
Logitech MX Master 3S
- +Same comfortable MX Master shape
- +Fast MagSpeed wheel plus a thumb wheel
- +Quiet clicks
- −Big, so it doesn't suit small hands.
- −There's nowhere to store the USB receiver in the mouse.
- −Replaced by the MX Master 4, which adds haptics and a shortcut ring.
Logitech M720 Triathlon
- +Comfortable contoured shape
- +Switches between three devices
- +Free-spinning scroll wheel
- −Small for large hands.
- −The sensitivity can't be changed with a button on the mouse.
- −Runs on an AA battery rather than recharging.
Ready to choose?
- Is the MX Master 3S worth it?
- Is the M720 Triathlon worth it?
- MX Master 4 vs MX Master 3S
- MX Master 4 vs Logitech Lift
- Logitech Lift vs MX Vertical
- MX Master 4 vs MX Ergo S
- Best ergonomic mice
How we reached this verdict
Updated 20 Oct 2026How we decide