
Garmin Forerunner 55
Score: 75/100
Apple Watch Series 9 41mm Midnight
Score: 75/100Rankings

The Garmin Forerunner 55 is an entry-level GPS running watch with a lightweight design, long battery life and a sunlight-visible MIP display, making it ideal for beginners. Its limitations include a lack of advanced health sensors and modest customization options. Suited for casual runners who want reliable GPS and endurance without premium features.

The Apple Watch Series 9 GPS 41 mm offers a bright always-on OLED display and a full suite of health sensors, making it a premium fitness companion. Its main drawback is the relatively short 18-hour battery life and lack of cellular option. Best suited for iPhone users who prioritize health tracking over multi-day endurance.
| Attribute | ![]() | ![]() |
|---|---|---|
336 hoursbest | 18 hours | |
| ↓ lower better | 37 g | 31.9 gbest |
1.04 inchesbest | — | |
| ↓ lower better | 11.6 mm | 10.7 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 336 hours | 18 hours |
Sensors(1) | ||
SpO₂ Sensor | false | true |
Display(2) | ||
Display Resolution | 208x208 | 352x430 |
Display Type | MIP | Always-On Retina LTPO OLED |
Build & Design(3) | ||
Weight (g) | 37 g | 31.9 g |
Thickness (mm) | 11.6 mm | 10.7 mm |
Water Resistance (IP Rating) | 5 ATM | 50m IP6X |


Products in the top-left offer the best value (high score, low price).

Professional reviewers consider the Forerunner 55 a well-rounded, budget-friendly entry-level running watch. They commend its long battery life, clear display, and reliable wrist-based heart-rate monitoring, while noting the lack of advanced sensors and limited data customization as trade-offs for its price point.

Professional reviewers commend the Series 8 for its robust health and safety sensor suite, especially the new temperature sensor and Crash Detection, and appreciate the compact 41 mm aluminum case that fits smaller wrists. They also note the seamless iPhone integration and premium build quality, but point out the lower 1,000-nit display brightness and lack of on-device Siri processing as drawbacks compared to the Series 9.
“great battery for a full day”

“intuitive health alerts”

“dies by evening”

Everyday users consistently praise the watch's comfortable, lightweight design, accurate fitness tracking, and effortless iPhone pairing. Common praise centers on the health alerts and the ease of daily wear, while recurring complaints focus on the short 18-hour battery life, occasional sync hiccups, and the need for daily charging.