Raul Delapena Setiawan
In the world of professional computing, few peripherals have achieved the cult-like status of the Logitech MX Master series. For years, these mice have been the gold standard for power users, creative professionals, and spreadsheet wizards alike. However, with the recent arrival of the Logitech MX Master 4, a fascinating paradox has emerged: the latest iteration is undeniably a triumph of engineering, but it faces a fierce challenge from its predecessor, the MX Master 3S.
As a long-time devotee of the MX Master ecosystem, I have spent significant time with both the new Master 4 and the established 3S. While the newest model feels refined, the sheer value proposition of the MX Master 3S—particularly at its current sale price of AU$99.99—demands a closer look. Is the latest technology worth the AU$199 premium, or has Logitech accidentally created the perfect product that doesn’t need replacing?
Main Facts: The New Contender vs. The Proven Veteran
The Logitech MX Master series is defined by its ergonomic shape, the "MagSpeed" electromagnetic scroll wheel, and its suite of customisable buttons. The MX Master 4 arrives with the expected refinements: tighter build quality, slightly adjusted dimensions, and the subtle evolutionary steps we have come to expect from a biennial update.
However, the core functionality remains consistent across both devices. Both mice utilize the same proprietary software, the same multi-device connectivity (Bluetooth and Logi Bolt receiver), and the same fundamental ergonomic philosophy. The primary differentiator, aside from weight and size, is the price. At a retail price of AU$199, the Master 4 is a significant investment. Conversely, the MX Master 3S is currently available for AU$99.99 as part of the Amazon Mid-Year Sale. This price gap of nearly 50% forces a pragmatic question: does the Master 4 offer twice the utility? For most users, the answer is a resounding "no."
A Chronology of Ergonomic Evolution
To understand why the MX Master 3S remains the benchmark, one must look at the lineage of the series. The transition from the Master 3 to the 3S was a masterclass in responding to user feedback. The 3S introduced "quiet-click" technology, which significantly reduced the acoustic profile of the mouse—a change that was widely lauded in open-office environments.
The MX Master 4 continues this trajectory, focusing on subtle refinements in the chassis and internal sensors. While Logitech has not overhauled the design language, they have consistently improved the weight distribution and the tactile response of the secondary buttons.
The Evolution Timeline:
- 2019: Introduction of the MX Master 3, setting the standard for the modern productivity mouse.
- 2022: The launch of the MX Master 3S, which brought 8K DPI sensors and silent clicks to the table.
- 2024/2025: The arrival of the MX Master 4, focusing on refined weight distribution and updated materials for durability.
Supporting Data: The Case for the 3S
When analyzing why the 3S remains the "best mouse overall," the data speaks volumes. Productivity is not just about features; it is about physical comfort and workflow efficiency.
Ergonomics and Fatigue
The weight of a mouse is often an overlooked factor in long-term health. The MX Master 4 weighs in at 150g, a slight increase over the 141g of the 3S. While 9 grams may sound trivial, in the context of an 8-hour workday, the difference in repetitive strain and forearm fatigue is measurable. Furthermore, the dimensions of the 3S (124.9mm x 84.3mm x 51mm) provide a more universal fit. The Master 4’s slightly larger frame (128.2mm x 88.4mm x 50.8mm) may alienate users with smaller hands, whereas the 3S remains the "Goldilocks" size for a broader demographic.
The Power of Customisation
The true "secret sauce" of the MX Master line is the horizontal scroll wheel. Located conveniently for the thumb, it allows for seamless navigation through massive Excel sheets, video editing timelines, or browser tabs. Both the 3S and the 4 support the Logitech Options software, which allows for deep remapping.
For instance, as a macOS user who lacks the tactile feedback of the Magic Trackpad, I have mapped the thumb button on my 3S to trigger Mission Control. This single remapping creates a shortcut that saves thousands of micro-movements per week. Whether you are a creative professional using Adobe Premiere Pro to scrub timelines or a data analyst navigating complex datasets, the 3S provides the exact same high-level functionality as the newer 4.
Official Responses and Market Positioning
Logitech has remained relatively quiet regarding the "cannibalization" of their own products, but market trends indicate a deliberate strategy. By keeping the 3S in production and often discounting it during major sales events like the Amazon Mid-Year Sale, Logitech is effectively creating an entry-level "Pro" tier.
The company’s focus with the MX Master 4 has been on long-term durability and subtle aesthetic updates that appeal to the enterprise market. However, by positioning the 3S at a sub-AU$100 price point, they are ensuring that the series remains the default recommendation for students, freelancers, and small businesses who are budget-conscious but demand high-performance hardware.
Implications for the Consumer
What does this mean for you, the reader, looking to upgrade your desk setup? The implications are twofold:
1. Value Over Novelty
The technology inside the MX Master 3S has not been rendered obsolete by the 4. The 3S offers the same industry-leading battery life, the same ultra-fast MagSpeed scrolling, and the same tactile software integration. Unless you have a specific requirement for the minor weight or size adjustments found in the 4, the 3S is objectively the better financial decision.
2. The Longevity of Peripheral Standards
The fact that a two-year-old mouse remains the "best overall" suggests that the category of productivity mice has reached a point of maturity. We are no longer seeing massive leaps in hardware capability; instead, we are seeing marginal gains. This is excellent news for consumers, as it means your hardware investment is protected against rapid obsolescence.
A Note on Pricing
While the current price of AU$99.99 for the 3S is not the lowest we have ever seen—it dipped to AU$95 last December—it remains a compelling bargain. Given the high RRP of the Master 4, the 3S stands out as one of the best "bang-for-your-buck" purchases in the current tech landscape.
Conclusion: Final Verdict
The Logitech MX Master 4 is undoubtedly a refined, high-quality instrument. If you are a professional who requires the absolute latest in build materials and you appreciate the slight shifts in physical dimensions, it is a capable tool. However, for the vast majority of users, the MX Master 3S is not just a "cheaper alternative"—it is the superior choice.
It provides all the productivity-boosting features of the flagship, a more manageable weight for long-term comfort, and a price point that makes the transition to a high-end mouse accessible. As we navigate the current landscape of tech deals, it is rare to find a product that manages to be both the "best in class" and the "best value." The Logitech MX Master 3S achieves this rare feat, securing its place on desks everywhere for the foreseeable future.
If you are looking to streamline your workflow and reduce daily friction, ignore the allure of the "newest" model and invest in the proven winner. Your wrist, your workflow, and your wallet will thank you.
Evan Lee Salim
Jia Lissa
