
Suunto 9 Peak Pro
Score: 87/100
Garmin Instinct 3
Score: 91/100Rankings

The Garmin Instinct 3 50 mm Solar is a rugged outdoor smartwatch delivering unlimited solar-augmented battery life and advanced multi-band GPS accuracy. Its monochrome display and bulkier form factor may deter those preferring a sleek, colorful watch. It excels for extreme-adventure athletes needing durability and extensive fitness data.

The Suunto 9 Peak Pro is a thin, premium multisport GPS watch with exceptional battery life and robust build quality. Its small display and occasional heart-rate lag are notable trade-offs. Ideal for athletes who prioritize endurance and durability over a large screen.
| Attribute | ![]() | ![]() |
|---|---|---|
720 hours | 960 hoursbest | |
| ↓ lower better | 64 g | 58 gbest |
1.2 inchesbest | 1.1 inches | |
| ↓ lower better | 1 hoursbest | — |
— | 176 pixelsbest | |
2 yearsbest | 1 years | |
97 modesbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(2) | ||
Battery Life (hours) | 720 hours | 960 hours |
Warranty (years) | 2 years | 1 years |
Display(1) | ||
Display Size (inches) | 1.2 inches | 1.1 inches |
Build & Design(2) | ||
Weight (g) | 64 g | 58 g |
Case Material | Stainless steel, titanium | Fiber-reinforced polymer |


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

Professional reviewers consistently praise the Suunto 9 Peak Pro for its industry-leading battery endurance, slim and rugged construction, and highly accurate GPS, while noting the optical heart-rate sensor struggles during high-motion activities and the bezel reduces effective screen real estate.
Everyday users love the lightweight premium feel, the long real-world battery life and the reliable GPS performance, but complain about heart-rate sensor lag and the small effective display.

Professional reviewers commend the Instinct 3 Solar for its class-leading battery endurance, rugged metal-reinforced construction, and highly accurate multi-band GPS. They also appreciate the improved solar panel efficiency and robust health-tracking suite, while noting the trade-off of a monochrome display and a bulkier form factor that may not suit users seeking a bright, sleek screen.
Everyday users love the watch's durability and the ability to go weeks without charging thanks to solar power. The reliable GPS and handy flashlight receive frequent praise, but many complain about the dim monochrome screen in shade, the watch's heft on smaller wrists, and occasional GPS or heart-rate hiccups in challenging environments.
“very good GPS/elevation matching pro devices but flags HR delays in lifting.”

“accurate heart rate matching chest straps, 90+ profiles, and training insights via app.”
