Logitech MX Master 4 vs MX Master 3S

What published reviews say about each, where the two differ, and who each one suits.

Summed up from 16 published reviews

Logitech

MX Master 4

The MX Master 4 is a premium productivity mouse focused on comfort, customization, quiet operation, and precise scrolling rather than gaming.

Best for: Productivity power users who value comfort, customization, quiet scrolling, and multi-device workflows.
Skip it if: Left-handed users, budget shoppers, and gamers seeking 1,000 Hz polling.

PriceToday's price on AmazonView on Amazon

What reviewers say about the Logitech MX Master 4

Logitech

MX Master 3S

A premium productivity mouse with excellent ergonomics, standout scrolling, extensive customization, and strong multi-device support.

Best for: Right-handed office power users with large or complex workflows
Skip it if: Budget shoppers, left-handed users, small-handed users, or competitive gamers

PriceToday's price on AmazonView on Amazon

What reviewers say about the Logitech MX Master 3S

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Specs side by side

Spec	Logitech MX Master 4	Logitech MX Master 3S
Weight	150 g	141 g
Type	Everyday	Everyday
Hand	Right hand	Right hand
Side buttons	Extra side buttons	Extra side buttons
Wireless	Yes	Yes
Size	Large	Large

Rows where the two differ come first.

What reviewers like, and what they don't

Logitech MX Master 4

Comfortable, refined right-hand ergonomics suit long work sessions. 1 2 3 4
Quiet clicks and smooth MagSpeed scrolling improve everyday use. 1 2 3 6
Action Ring and haptics enable quick, customizable workflow controls. 1 2 3 5
Precise 8,000-DPI tracking performs reliably across varied surfaces. 2 6 7 8
Long claimed battery life and multi-device switching suit demanding workflows. 1 2 3 7
Right-handed design excludes left-handed users. 1 3 5 7
Premium pricing may be excessive for casual users. 3 4 5 7
Action Ring and haptics still have limited app support. 1 3 5 6
Its 150-gram weight and 125 Hz polling reduce gaming suitability. 2 6

Logitech MX Master 3S

Exceptional comfort for medium-to-large hands and long work sessions 1 3 4 6
Dual scroll wheels enable fast, smooth horizontal navigation 1 2 7 8
Quiet operation suits offices, shared spaces, and focused work 2 5 6 7
Logi Options+ enables extensive buttons, gestures, and app-specific customization 1 3 4 5
Long battery life and convenient charging suit demanding workdays 2 4 6 7
Premium pricing makes it less appealing to budget-conscious shoppers 1 3 4 6
The right-handed, bulky shape can disappoint smaller-handed users 1 3 6 7
Quiet clicks lack the tactile feedback some users prefer 2 6 8
Its 141g weight and 125Hz polling limit competitive gaming appeal 2 4

Ranked in our guides

Guide	MX Master 4	MX Master 3S
Best wireless mice	#1	#2

Sources

We don't test products ourselves. This page sums up 16 published reviews, read on October 21, 2026; each point above links to the reviews that make it.