I understand that Apple Watch does many things in the background. But when you’re comparing something like an Apple Watch vs Garmin Epix.
If they’re both turned on for hiking they are in theory using the same processing power, measurements. Apple Watch isn’t doing anything different. So why is it so poor? What else is it doing…
I can’t back my claim but I saw/heard somewhere that the Apple Watch heart sensor is more accurate compared to all others where it picks up less false readings.