Genuinely a tie — they're different tools. Garmin for training and battery, Apple for daily smart features.
Garmin Forerunner 265
Apple Watch Series 10
Price
▲£379
£399
Battery (smartwatch)
▲Up to 13 days
~18 hours
Battery (GPS)
▲~20 hours
~5 hours
Dual-frequency GPS
≈Yes
≈Yes
ECG
No
▲Yes
Works with Android
▲Yes
No
Training readiness
▲Yes
No
▲ Winner≈ Tie
Bottom line
Training for a distance event, or hate charging? Garmin. Want one device that does messages, payments, health alerts and apps, and you're on iPhone? Apple. Neither is wrong — they're answering different questions.