Garmin
Comparisons Garmin Instinct 3 50mm AMOLED
Amazfit T-Rex 3 Pro or Garmin Instinct 3 AMOLED
Amazfit T-Rex 3 Pro 48 mm vs Garmin Instinct 3 AMOLED 50 mm: 1.5", titanium and L1 + L5 vs NFC and the Garmin ecosystem. The Amazfit is cheaper.
Garmin Descent G2 or Instinct 3 AMOLED: diving or hiking
Garmin Descent G2 vs Instinct 3 AMOLED 50 mm: a 100 m dive computer vs 10 ATM and up to 24 days. The Instinct is much cheaper.
Garmin Instinct 3 50 mm: Solar or AMOLED
Garmin Instinct 3 50 mm Solar vs AMOLED: MIP and up to 40 days vs AMOLED 416×416 and up to 24 days. The Solar is slightly cheaper.
Garmin Instinct 3 AMOLED 45 or 50 mm
Garmin Instinct 3 AMOLED 45 mm vs 50 mm: 1.2" vs 1.3", up to 18 vs up to 24 days, 53 vs 59 g. The 50 mm costs a bit more.
Garmin Instinct 3 AMOLED or AMOLED Tactical
Garmin Instinct 3 50 mm AMOLED vs AMOLED Tactical: same 416×416 display and up to 24 days, Tactical adds tactical modes. The Tactical costs much more.