Logitech MX Master 4 – Vs 3S Comparison, Release and Features

Logitech has unveiled the MX Master 4, the latest iteration in its flagship productivity mouse lineup. Released in October 2025, the device succeeds the MX Master 3S with a refined design, improved scroll wheel mechanics, and the addition of haptic feedback functionality. The three-year gap between generations has allowed Logitech to address several long-standing user concerns while introducing features that aim to enhance workflow efficiency. This comprehensive comparison examines the hardware differences, new capabilities, and practical considerations for potential buyers.

The MX Master series has established itself as a benchmark for ergonomic productivity peripherals, consistently attracting professionals who spend extended hours at their desks. With the MX Master 4, Logitech has made targeted improvements to the build quality and added software-driven features that were absent from previous generations. The device enters a market where remote and hybrid work arrangements remain prevalent, increasing the relevance of premium input devices that prioritise comfort and customisation.

Logitech MX Master 4 vs 3S: A Detailed Comparison

The transition from the MX Master 3S to the MX Master 4 brings noticeable hardware modifications alongside incremental performance upgrades. Understanding these differences helps determine whether the newer model justifies the upgrade cost for existing owners of the 3S.

Design and Build Quality

The MX Master 4 introduces a more pronounced thumbrest, a larger horizontal scroll wheel, and bigger primary buttons compared to its predecessor. Logitech has replaced the rubber coating found on the 3S with textured plastic and silicone grips. Early reviewers found the new materials to feel more durable and premium, though some initially questioned whether the finish would maintain its quality over extended use. The overall shape remains nearly identical to the 3S, ensuring compatibility with existing grip styles that users have developed over time.

The weight difference between the two models has drawn attention from the user community. The MX Master 4 weighs approximately 150 grams compared to the 3S at 141 grams. Some users report that the additional 9 grams creates a noticeably heavier feel during extended sessions. One documented experience described how the increased weight caused wrist pain to return after nearly two years of relief achieved through the 3S.

Key Insights

• The redesigned scroll wheel operates more effortlessly with smoother, more fluid motion and reduced noise
• Silent switches replace the audible clicks of the 3S, benefiting users in quiet environments
• USB-C Logi Bolt receiver replaces USB-A, claiming two times stronger connection in crowded wireless environments
• Both models share the same 8000 DPI sensor and 125 Hz polling rate
• The MX Master 4 is slightly larger at 128mm length, 88mm width, and 50mm height versus the 3S at 123mm, 81mm, and 51mm
• Material durability improvements address concerns that affected the 3S over time

Logitech MX Master 4 Release Date and Launch Timeline

The MX Master 3S made its debut in June 2022, establishing itself as a refined iteration of the original MX Master 3. Logitech maintained a three-year development cycle before introducing the MX Master 4 in October 2025. This timeline allowed the company to incorporate user feedback and address concerns raised during the 3S lifecycle.

The launch represented a significant moment for the productivity peripheral market, as the MX Master series competes in a segment where device longevity and incremental improvements matter greatly to professional users. The October 2025 release positioned the device alongside other autumn product launches from major hardware manufacturers.

Evolution of the Series

The progression from MX Master 3S to MX Master 4 demonstrates Logitech’s approach to iterative design. Rather than revolutionary changes, the newer model delivers targeted refinements that address specific pain points identified through customer feedback and market research. The addition of haptic feedback marks the most significant functional introduction since the high-precision scroll wheel became standard on the series.

Logitech MX Master 4 Software and Setup

Both the MX Master 4 and its predecessor utilise the Logi Options+ application, creating a familiar software environment for users upgrading from the 3S. This continuity means existing users can transfer their profiles and custom button configurations without rebuilding from scratch. The unified software platform also simplifies troubleshooting and ensures consistent access to new features as they become available through updates.

The haptic feedback functionality integrated into the MX Master 4 currently supports a limited selection of applications. This restriction means that users working primarily in unsupported software may not experience the full benefits of the new hardware. Logitech has indicated plans to expand compatibility through future software updates, though a specific timeline for broader application support has not been publicly confirmed.

Configuration Options

The Logi Options+ interface provides customisation capabilities for button assignments, scroll wheel behaviour, and gesture recognition. Users can establish application-specific profiles that automatically activate when switching between different software environments. The interface supports flow between multiple computers, allowing a single mouse to control content across different devices seamlessly.

Logitech MX Master 4 Mac Compatibility

Logitech released a Mac-specific variant of the MX Master 4 available in White Silver and Space Black colourways. The Mac edition maintains feature parity with the standard model while offering aesthetic options that complement Apple hardware aesthetics. Pricing for the Mac version stands at $119.99 or €129.99, with each purchase including a one-month subscription to selected Logitech services.

Both the standard and Mac versions support Bluetooth LE connectivity alongside the USB-C receiver option, ensuring compatibility across different Mac configurations regardless of available ports. The silent switch implementation benefits Mac users working in open-plan environments or shared spaces where click noise can prove disruptive.

Cross-platform support remains a strength of the MX Master series, with the mouse functioning identically across Windows, macOS, and Linux environments. This versatility appeals to users who work across multiple operating systems or IT environments that require hardware flexibility.

Where to Buy Logitech MX Master 4 in the UK

UK consumers can access the MX Master 4 through multiple retail channels, including electronics specialists, office supply retailers, and online marketplaces. The official Logitech store provides direct purchasing with full warranty coverage, while third-party sellers on platforms such as Amazon offer competitive pricing and expedited delivery options. For those interested in upcoming music events, you can find more information on Good Things Festival 2025.

Black Friday periods historically bring promotional pricing on premium peripherals, though specific discounts on the MX Master 4 depend on individual retailer strategies and inventory levels. Prospective buyers should monitor price tracking services and sign up for stock notifications from preferred vendors to identify optimal purchasing windows.

Logitech MX Master 4 Combo Options

Logitech offers bundle configurations pairing the MX Master 4 with compatible keyboards, creating complete productivity setups in a single purchase. These combos typically provide cost savings compared with purchasing components separately and ensure hardware uniformity across the workspace.

The bundle approach proves particularly relevant for organisations equipping multiple workstations, where standardised peripherals simplify device management and reduce support overhead. Individual consumers seeking a cohesive desk setup may also find value in the package options, particularly when upgrading from older peripheral combinations.

What We Know and What Remains Unclear

The polling rate limitation has drawn consistent criticism from power users who expect higher refresh rates from premium peripherals in 2025. Logitech has not publicly addressed whether future firmware updates might increase the polling rate, leaving this question unanswered for consumers evaluating the device against competing options.

Context and Industry Position

The MX Master series occupies a distinctive position in the productivity peripheral market, targeting professionals who prioritise ergonomic comfort and workflow efficiency over gaming-specific features. Logitech’s decision to exclude gaming optimisation reflects the mouse’s intended use case, with the device explicitly not recommended for gaming purposes despite its premium positioning.

The haptic feedback introduction marks Logitech’s first implementation of tactile technology in its mainstream productivity line, representing a potential preview of features that may appear across future peripheral releases. How competitors respond to this addition could shape the direction of the broader premium mouse market.

Reviewers have described the MX Master 4 as a refined evolution of an already accomplished formula, with material improvements addressing the most significant concerns raised during the 3S period. The balance between familiarity and innovation appears carefully calibrated to encourage upgrades from older MX Master generations while maintaining appeal for first-time buyers evaluating the productivity mouse category.

Sources and Expert Perspectives

The MX Master 4 addresses material durability concerns that affected the 3S, making it a more compelling upgrade for long-term ownership.

Hands-on reviewers have highlighted the improved scroll wheel mechanics as among the most noticeable enhancements, with reduced noise levels particularly appreciated in shared working environments. The silent switches have received positive assessments for their balance between tactile feedback and reduced audio disruption.

While the 3S remains a capable device, the MX Master 4’s incremental improvements provide sufficient justification for users seeking the latest refinements in ergonomic design.

User community discussions reveal mixed sentiment regarding the upgrade decision from 3S, with some owners satisfied with their current device and others drawn to the material and functional improvements. The weight increase has emerged as the primary concern for users with specific ergonomic requirements, suggesting that personal preference and physical considerations should guide upgrade decisions.

Summary and Recommendations

The Logitech MX Master 4 represents a measured refinement of its predecessor, introducing haptic feedback and improved build materials while maintaining the core design philosophy that has defined the series. The three-year development cycle delivered meaningful hardware enhancements, particularly in scroll wheel performance and switch acoustics, though the polling rate limitation persists as a notable omission for power users.

For MX Master 3S owners, the upgrade recommendation depends on individual priorities. Users who experienced material degradation with their 3S may find the improved construction alone sufficient justification, while those satisfied with their current device can reasonably defer the purchase. MX Master 3 users stand to benefit most significantly from the transition, gaining both the material improvements and the silent switch functionality.