
Amazfit T-Rex 3
Score: 78/100
Suunto Run
Score: 78/100Rankings

The Amazfit T-Rex 3 is a rugged outdoor smartwatch featuring a 27-day battery, dual-band GPS with offline maps, and a 2000-nit AMOLED screen. Its bulkier case and limited app ecosystem are notable trade-offs. Best suited for hikers, freedivers, and adventure seekers who value durability and navigation over a slim profile.

The Suunto Run is a lightweight GPS sports watch aimed at runners, offering a crisp AMOLED screen, dual-band GNSS and up to 20 hours of GPS battery. Its limited GPS accuracy, lack of maps and modest music storage may deter power users. Ideal for beginner to intermediate runners who value comfort and basic training metrics.
| Attribute | ![]() | ![]() |
|---|---|---|
648 hoursbest | 20 hours | |
| ↓ lower better | 68.3 g | 36 gbest |
1.5 inchesbest | 1.32 inches | |
| ↓ lower better | — | 60 minutesbest |
| ↓ lower better | 13.75 mm | 11.5 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 648 hours | 20 hours |
Display(2) | ||
Display Size (inches) | 1.5 inches | 1.32 inches |
Display Resolution | 480 x 480 | 466x466 |
Build & Design(5) | ||
Weight (g) | 68.3 g | 36 g |
Thickness (mm) | 13.75 mm | 11.5 mm |
Case Material | Polymer | Glass fibre reinforced polyamide |
Strap Material | Liquid silicone | Nylon textile |
Water Resistance (IP Rating) | 10 ATM | 50m |


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

Professional reviewers praise the T-Rex 3's rugged construction, ultra-bright AMOLED screen, long-lasting battery, and premium navigation features like offline maps, while noting that its sport-mode depth and app ecosystem fall short of Garmin's offerings and that the large case may not suit all wrist sizes.
Everyday owners consistently commend the watch's week-long battery endurance, bright display, accurate GPS with offline maps, and dive certification, but they frequently mention the bulkier case, occasional Bluetooth drops, limited app functionality, and the missing USB-C charging cable as pain points.

Professional reviewers commend the Suunto Run for its ultra-light profile, bright AMOLED display, and precise dual-band GNSS performance, but note the absence of offline maps, streaming music, and occasional distance creep.
Everyday users love the watch's barely-there feel, comfortable fabric strap, and reliable heart-rate and GPS data, praising its readability in sunlight. Common complaints focus on occasional GPS distance creep, the heavier silicone strap option, and the lack of maps or full-featured music streaming.
“Extremely lightweight at 36 g with textile strap, providing all-day comfort and no wrist distraction during long runs.”

“Bright 1.32-inch AMOLED touchscreen with 466 × 466 resolution remains easily readable in direct sunlight.”
