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Logitech M720 vs MX Ergo S: Which Control and Power Routine Fits?

Choose the M720 if you want to move a conventional mouse and replace an AA when needed. Choose the MX Ergo S if you want stationary thumb steering and USB-C charging. Decide on the control method first, then check whether its power routine suits you.

Published by Pickoryx · Published 2026-10-07

Source checked 2026-10-07 09:31 UTC

Products compared

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The buying question

Do you want to move the mouse or steer with your thumb, and would you rather replace an AA or recharge?

The M720 keeps conventional mouse movement and replaceable power; the MX Ergo S changes both the control method and the power routine.

Quick verdict

When the recommendation changes
  • If you want thumb steering but dislike charging, neither model satisfies both preferences.
  • If you want conventional mouse movement but require USB-C recharging, neither model combines those requirements.

The differences that matter

Cursor Movement

Logitech M720 Triathlon (Black)

A conventional optical mouse: move its body across a surface to steer the pointer.[1, 2]

Logitech MX Ergo S (Graphite)

A thumb-operated trackball: roll the ball to steer while the body stays in place.[3]

What this changes: Keep familiar mouse movement with the M720, or choose the MX Ergo S if stationary thumb steering is the interaction you want. This does not establish a comfort or accuracy winner.[1, 2, 3]

The better fit depends on your priorities

Power Routine

Logitech M720 Triathlon (Black)

Runs on one replaceable AA battery.[2]

Logitech MX Ergo S (Graphite)

Uses a rechargeable battery and USB-C charging; the charging cable is not included. Its battery is not user-replaceable.[3, 4]

What this changes: Choose between keeping a replacement AA available and keeping a charging cable and power source available. Charging preference is separate from whether you want thumb steering.[2, 3, 4]

The better fit depends on your priorities

Best for your routine

Keeping a conventional mouse workflow

Best fit: Logitech M720 Triathlon (Black)

Based on listed features, not comparative testing.

The M720 preserves surface-based mouse movement. Choose it if changing to thumb steering is not part of your goal.

View Logitech M720 Triathlon (Black) on AmazonPaid link

Steering without sliding the mouse body

Best fit: Logitech MX Ergo S (Graphite)

Based on listed features, not comparative testing.

The MX Ergo S fits a preference for stationary thumb-ball control. Personal adaptation and comfort remain individual.

View Logitech MX Ergo S (Graphite) on AmazonPaid link

Replacing power rather than scheduling a charge

Best fit: Logitech M720 Triathlon (Black)

Based on listed features, not comparative testing.

A spare AA matches the M720’s power design. The MX Ergo S instead requires charging access.

View Logitech M720 Triathlon (Black) on AmazonPaid link

Value and trade-offs

One or both observed offers have eligibility conditions, so no unrestricted price difference is shown.

Pay more only if the control method and power routine suit your daily use. A higher price does not establish better comfort or tracking results.

There is insufficient verified price history for a buy-now or wait recommendation.

Limitations

  • No hands-on or comparable controlled testing establishes a comfort, health, speed, accuracy, quietness, battery-endurance or durability winner.
  • The MX Ergo S charging cable is not included, and its battery is not user-replaceable. USB-C charging is not a promise of a wired data connection.
  • M720 uses Bluetooth or Unifying; MX Ergo S uses Bluetooth or Bolt. Check the appropriate receiver family rather than assuming one existing receiver serves both.
  • Check the exact host requirements. For MX Ergo S, Logitech lists Windows 10/11 or later, macOS 12 or later, Linux and ChromeOS for Bolt; Bluetooth additionally lists iPadOS 15 or later and Android 12 or later. Options+ features require a supported Windows or macOS version.

Questions shoppers ask

Does support for my operating system guarantee every customization feature?

No. Both models list Logi Options+ for Windows and macOS. Check basic connection support separately from the app features you need, especially for a Linux, ChromeOS or tablet setup.

What if I want the M720 control style but the MX Ergo S power setup?

Neither combines those two preferences. Decide which requirement you can change, or compare another conventional rechargeable mouse rather than buying a trackball solely for USB-C charging.

Methodology and sources

We compared pointer-control method and power routine, with connection and software constraints as pre-purchase checks. Recommendations concern feature fit rather than measured superiority.

AI assisted with source research, comparison and drafting.

View 4 sources
  1. 1.Logitech M720 Triathlon product pageLogitech · Official specifications · Source checked 2026-10-07 09:29 UTC
    Evidence used on this page
    • Full-sized comfort; Ultra-precise navigation; Flexible and compatible; Productivity your way: M720 model-family conventional surface-tracking mouse, right-handed design, Bluetooth or Unifying connection and Windows/macOS customization. Not evidence of exact retail package equivalence.
  2. 2.M720 Triathlon Technical SpecificationsLogitech · Official specifications · Source checked 2026-10-07 09:29 UTC
    Evidence used on this page
    • General Product Specifications; Mouse Specifications: Optical sensor; one replaceable AA; Bluetooth/Unifying; Options+ on Windows/macOS. Family operating facts only.
  3. 3.MX Ergo S wireless trackball product pageLogitech · Official specifications · Source checked 2026-10-07 09:29 UTC
    Evidence used on this page
    • Selected base Graphite; Elevated comfort and precision; Maximize control. Minimize movement.: Thumb control, USB-C charging and cable exclusion for MX Ergo S. No marketing performance or health comparison adopted.
  4. 4.Specification - MX Ergo SLogitech · Official specifications · Source checked 2026-10-07 09:29 UTC
    Evidence used on this page
    • What’s in the box; System Requirements; Software Support; Mouse Specifications: Base/Plus separated; rechargeable non-user-replaceable battery; wireless Bluetooth or Bolt; USB-A Bolt and supported system requirements; Options+ on Windows/macOS.

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