Same display and battery life. The vivoactive 6 costs almost twice as much - for Wi-Fi, storage and lightness.

Short answer

Forerunner 165 - barometer, SpO2 and a much lower price. vivoactive 6 - 8 GB, Wi-Fi, 23 g.

Key differences

SpecGarmin vivoactive 6Garmin Forerunner 165
Display1.2", AMOLED, 390×3901.2", AMOLED, 390×390
Memory8 GB4 GB
Battery lifeup to 11 daysup to 11 days
ConnectivityBluetooth, ANT+, Wi-FiBluetooth, ANT+
NavigationGPS, GLONASS, Galileo, QZSS, BeiDouGPS, GLONASS, Galileo
NFCyesyes
Sensorsheart rate, compass, gyroscope, temperatureheart rate, SpO2, barometer, compass, temperature
Protection5 ATM5 ATM
CompatibilityiPhone, AndroidiPhone, Android
Dimensions, weight42.2×42.2×10.9 mm, 23 g43×43×11.6 mm, 39 g
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

What's the same

1.2" AMOLED 390×390, up to 11 days, GPS, NFC, 5 ATM.

Sensors

Barometer and SpO2 on the Forerunner 165. Gyroscope on the vivoactive 6.

Case

42.2 mm and 23 g vs 43 mm and 39 g.

Verdict: who should buy which

  • Running and price - Forerunner 165.
  • Lightness, Wi-Fi, music - vivoactive 6.

FAQ

Does the 165 have Wi-Fi?
No, only the 165 Music does.

How much storage?
8 and 4 GB.

Which is cheaper?
The Forerunner 165.

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