Garmin Instinct 3 Solar vs Suunto Vertical

Both have (3)

• built-in GPS
• blood-oxygen (SpO₂)
• swim tracking

Only Garmin Instinct 3 Solar (0)

Nothing unique.

Only Suunto Vertical (2)

• AMOLED display
• offline maps

Pick the Garmin Instinct 3 Solar if…

• You want to spend less: it lists for $180 less.
• You want a lighter watch: 58 g vs 74 g.
• You might switch phones: it works with both iPhone and Android, the Suunto Vertical only works with Android.
• You want the newer model (2025 vs 2023).
• You want a display that stays readable in direct sun and sips power.

Skip it if…

• • You want a bright, vivid AMOLED screen — this one uses a lower-power display.

Pick the Suunto Vertical if…

• You want fewer charges: about 30 days per charge vs 24 days.
• You need AMOLED display and offline maps, which the Garmin Instinct 3 Solar does not list.
• Your main use is running: it is listed for that and the Garmin Instinct 3 Solar is not.
• You might switch phones: it works with both iPhone and Android, the Garmin Instinct 3 Solar only works with Android.
• You want a bright AMOLED screen.

Skip it if…

• • You have a small wrist (under about 160 mm) — the 49 mm case we list is large (check whether a smaller size is sold).
• • You want something light enough to sleep in — it weighs 74 g.
• • You are watching your budget — the list price is $629.