Samsung Galaxy Watch 4 40mm
Score: 82/100
Fitbit Sense 2
Score: 80/100Rankings
Samsung Galaxy Watch 4 40 mm provides a lightweight aluminum body, Super AMOLED display, and extensive health sensors with LTE support. Its small screen and modest battery capacity may disappoint power users. It fits Android users who prioritize a compact, connected smartwatch.
Fitbit Sense 2 combines a 40.1 mm AMOLED screen with advanced health tracking and up to six days of battery life. The watch is relatively heavy and its ECG feature is region-restricted. It's perfect for health-focused users who value long wear time and comprehensive metrics.
| Attribute | | |
|---|---|---|
40 hours | 144 hoursbest | |
| ↓ lower better | 28.8 gbest | 190.5 g |
300 mAhbest | — | |
33 mm | 40.1 mmbest | |
32 GBbest | 4 GB | |
1 yearsbest | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Software(1) | ||
Operating System | Wear OS powered by Samsung | Fitbit OS |
Battery & Power(1) | ||
Battery Life (hours) | 40 hours | 144 hours |
Storage(1) | ||
Storage Capacity (GB) | 32 GB | 4 GB |
Display(3) | ||
Display Size (mm) | 33.0 mm | 40.1 mm |
Display Resolution | 432x432 | 336x336 |
Display Type | Super AMOLED | AMOLED |
Build & Design(2) | ||
Weight (g) | 28.8 g | 190.5 g |
Water & Dust Resistance (IP Rating) | IP68 | 50m |
Connectivity(2) | ||
Bluetooth Version | 5.3 | LE |
Wi‑Fi | true | false |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Galaxy Watch 7 40mm for its refined health tracking, noting the addition of ECG and temperature sensors and the smoother Exynos W1000 processor. Editors highlight the ultra-light 28.8 g chassis, aluminum build with sapphire crystal, and the seamless Wear OS experience within the Samsung ecosystem, while pointing out the small display and modest battery as trade-offs against the larger 44 mm model.
Everyday users consistently praise the watch's comfort, accurate health monitoring and solid integration with Samsung phones, especially for sleep and activity tracking. Recurring complaints focus on the limited battery endurance under heavy use and the cramped 33.3 mm screen, with some noting strap sizing issues for larger wrists.
Professional reviewers highlight the Sense's advanced health toolkit-cEDA stress monitoring, skin temperature tracking, and SpO₂ measurement-as innovative steps beyond typical fitness trackers, while noting the limited regional availability of the ECG feature.
Everyday users appreciate the advanced health sensors, long battery life, and on-wrist call handling, but note the ECG's regional limitations and the watch's weight compared to lighter competitors.
