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Logitech MX Ergo S Advanced Wireless Trackball vs Logitech MX Master 4, Ergonomic Wireless Mouse

Updated August 2026 — Logitech MX Ergo S Advanced Wireless Trackball wins on battery life, Logitech MX Master 4, Ergonomic Wireless Mouse wins on noise level and scrolling.

The Logitech MX Ergo S offers a unique trackball design with extended battery life, while the MX Master 4 excels in advanced features and connectivity. Choose based on your ergonomic preferences.

Why Logitech MX Ergo S Advanced Wireless Trackball is better

Price

MX Ergo S is cheaper at $99.99

Battery Life

MX Ergo S lasts up to 120 days on a full charge

Noise Level

MX Ergo S has 80% quieter clicks

Why Logitech MX Master 4, Ergonomic Wireless Mouse is better

Features

MX Master 4 includes haptic feedback and Actions Ring

Connectivity

MX Master 4 has 2X more powerful connectivity

Customization

MX Master 4 offers more advanced customization options

Overall score

Logitech MX Ergo S Advanced Wireless Trackball
85
Logitech MX Master 4, Ergonomic Wireless Mouse
90

Specifications

SpecLogitech MX Ergo S Advanced Wireless TrackballLogitech MX Master 4, Ergonomic Wireless Mouse
DPIUp to 4000Up to 8000
Buttons66
ChargingUSB-CUSB-C
Weight5.5 oz5.5 oz
CompatibilityWindows, MacWindows, Mac, Linux

Dimension comparison

Logitech MX Ergo S Advanced Wireless TrackballLogitech MX Master 4, Ergonomic Wireless Mouse

Introduction to the Logitech MX Ergo S and MX Master 4

The Logitech MX Ergo S Advanced Wireless Trackball Mouse and the Logitech MX Master 4 are two exceptional ergonomic mice that cater to different user preferences and needs. The MX Ergo S is priced at $99.99, making it about 17% cheaper than the MX Master 4, which retails for $119.99. Both mice offer advanced features designed to enhance productivity and comfort, but they do so in different ways.

Design and Ergonomics

When it comes to design and ergonomics, the MX Ergo S emphasizes a unique trackball design that encourages minimal hand movement. This mouse features a 20-degree tilt angle, certified by ergonomists to reduce muscle strain by 27%. In contrast, the MX Master 4 is designed for fluid navigation with a natural hand posture, featuring an intuitive button layout and a thumb scroll wheel. Both mice are crafted to provide comfort during long hours of use, but the MX Ergo S targets users who prefer a trackball setup, while the MX Master 4 caters to those who favor traditional mouse movements.

Functionality and Features

The functionality of the MX Ergo S is focused on customizable control with six programmable buttons and the ability to switch between speed and precision tracking. This makes it ideal for users who perform varied tasks requiring different levels of sensitivity. The MX Master 4, on the other hand, introduces haptic feedback and an Actions Ring that allows users to access their favorite tools quickly. This feature-rich design enhances productivity, allowing for smoother workflows, particularly in creative applications.

Connectivity Options

Connectivity is another area where both mice shine, but with distinct approaches. The MX Ergo S offers dual wireless connectivity via Bluetooth or a Logi Bolt USB receiver, allowing users to switch easily between devices. The MX Master 4, however, boasts a more robust connectivity system with a new USB-C dongle that provides 2X more powerful connectivity along with Bluetooth versatility. This means the MX Master 4 may deliver a more reliable connection, especially in environments with multiple wireless devices.

Battery Life and Charging

Battery life is a significant consideration for wireless devices, and both mice have impressive capabilities. The MX Ergo S stands out with its quick USB-C charging feature, allowing for up to 24 hours of use from just a one-minute charge, and a full charge lasting up to 120 days. The MX Master 4 offers a respectable battery life as well, with up to 70 days on a full charge and three hours of use from a one-minute charge. While both mice offer quick charging, the MX Ergo S has a longer overall battery life, making it a more convenient choice for heavy users.

Noise Levels

Noise levels can impact the user experience, particularly in quiet environments. The MX Ergo S features 80% quieter clicks compared to its predecessor, making it suitable for shared workspaces. The MX Master 4 also boasts quiet clicks, reducing noise by 90%, which is particularly beneficial for users aiming for minimal distractions. Both mice cater to a quieter working environment, but the MX Master 4 takes the lead in creating an even more silent operation.

Customization and Software

Customization is a key feature that enhances the user experience, and both devices support the Logi Options+ app for advanced capabilities. The MX Ergo S allows users to assign functions to its six customizable buttons, enhancing productivity with time-saving shortcuts. The MX Master 4 takes customization a step further with its Actions Ring, enabling access to frequently used tools directly at the cursor. This additional layer of functionality can significantly enhance workflow, especially for users who rely heavily on shortcuts in their daily tasks.

Which should you buy?

Choosing between the Logitech MX Ergo S Advanced Wireless Trackball Mouse and the Logitech MX Master 4 largely depends on your personal preferences and work habits. If you prioritize minimal hand movement and a unique trackball design, the MX Ergo S, priced at $99.99, is a solid choice, especially with its extended battery life and quieter operation. However, if you are looking for advanced features like haptic feedback, superior connectivity, and a more traditional mouse experience, the MX Master 4 at $119.99 may be worth the investment. Ultimately, both mice offer exceptional ergonomic benefits, making them worthy contenders in the world of computer mice.