Apple Watch Series 6 vs Garmin Forerunner 965
The Verdict
Apple Watch Series 6 excels as a lifestyle smartwatch with its refined LTPO OLED Always-On Retina display (324x394 or 368x448px), seamless iOS integration, and comprehensive health sensors including ECG and SpO2. Garmin Forerunner 965 targets serious athletes and fitness enthusiasts, delivering exceptional battery longevity (23 days smartwatch, 31 hours GPS) and superior health metrics including skin temperature monitoring. While Series 6 offers faster performance via the Apple S6 chip and optional cellular connectivity, the Forerunner 965's AMOLED display (454x454px) provides superior clarity for outdoor activities. Series 6 charges magnetically whereas Garmin uses traditional means. For iPhone users prioritizing daily convenience and app ecosystem, Apple Watch Series 6 delivers better value at $399. Athletes demanding multi-week autonomy should invest in the Forerunner 965, though its $599 price premium reflects specialized sports features over mainstream appeal.
Who Should Buy
Buy the Apple Watch Series 6 if…
- →First Apple Watch with blood oxygen (SpO2) monitoring
- →Always-On display is 2.5x brighter outdoors than Series 5
- →U1 chip enables precise Find My features and car key unlock
Buy the Garmin Forerunner 965 if…
- →23-day battery life in smartwatch mode for serious endurance athletes
- →First Forerunner with AMOLED display — bright and easy to read
- →Multi-band GPS with SatIQ for highly accurate outdoor tracking
Category Scores
Pros & Cons
Apple Watch Series 6
Pros
- First Apple Watch with blood oxygen (SpO2) monitoring
- Always-On display is 2.5x brighter outdoors than Series 5
- U1 chip enables precise Find My features and car key unlock
- S6 chip is 20% faster than S5 — noticeably snappier
- Multiple premium case materials including titanium and blue aluminum
Cons
- 18-hour battery still requires daily charging
- SpO2 readings are for wellness only — not medical grade
- No keyboard input — smaller bezels came in Series 7
- Charging speed is slow compared to Series 7+
Garmin Forerunner 965
Pros
- 23-day battery life in smartwatch mode for serious endurance athletes
- First Forerunner with AMOLED display — bright and easy to read
- Multi-band GPS with SatIQ for highly accurate outdoor tracking
- Advanced running metrics: running power, VO2 max, race predictor
- Garmin Pay NFC and music storage for offline playback
Cons
- No ECG sensor
- No cellular connectivity
- Garmin OS app ecosystem is very limited compared to Wear OS or watchOS
- Expensive at $599 for a running-focused device
Full Specifications
| Spec | Apple Watch Series 6 | Garmin Forerunner 965 |
|---|---|---|
| Software | watchOS 7 (upgradable to watchOS 11+) | Garmin OS |
| Body | ||
| Weight | 30.5 g (40mm Al) / 36.2 g (44mm Al) | 53 g |
| Case material | Aluminum / Stainless Steel / Titanium | Fiber-reinforced polymer with titanium bezel |
| Water resistance | WR50 (50m) | 10 ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 18 hours | Up to 23 days smartwatch mode, 31 hrs GPS |
| Display | ||
| Size | 40mm / 44mm | 1.4 inch |
| Type | LTPO OLED Always-On Retina | AMOLED |
| Always-on display | ||
| Resolution | 324 x 394 / 368 x 448 | 454 x 454 |
| Processor | ||
| Chipset | Apple S6 SiP | Garmin proprietary |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Apple products or all Garmin products. View full details for the Apple Watch Series 6 or the Garmin Forerunner 965.