Garmin Forerunner 965 vs Garmin Venu 3
The Verdict
Both watches share nearly identical displays and core health tracking, but they diverge in meaningful ways. Forerunner 965 excels with superior battery longevity,23 days smartwatch mode versus Venu 3's 14 days,plus stronger water resistance at 10 ATM for serious swimmers and divers. Its titanium bezel also feels more premium. However, Venu 3 includes ECG functionality that 965 lacks, a notable advantage for cardiac monitoring. Venu 3 is also lighter at 47g and costs $150 less. For endurance athletes prioritizing extended GPS sessions and rugged durability, Forerunner 965 justifies the premium. For health-conscious users wanting ECG capability and better value, Venu 3 delivers excellent features at a lower price point. Choose Forerunner 965 if battery life is paramount; choose Venu 3 for ECG and budget consciousness.
Who Should Buy
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
Buy the Garmin Venu 3 if…
- →Outstanding 14-day battery life with AMOLED display
- →Comprehensive health tracking including ECG and skin temperature
- →Built-in speaker and microphone for calls
Category Scores
Pros & Cons
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
Garmin Venu 3
Pros
- Outstanding 14-day battery life with AMOLED display
- Comprehensive health tracking including ECG and skin temperature
- Built-in speaker and microphone for calls
- Advanced sleep coaching and nap detection
- Multi-band GNSS for accurate GPS tracking
Cons
- No third-party app ecosystem like Wear OS
- Limited smartwatch features compared to Apple/Samsung
- No cellular connectivity option
- Garmin Pay supports limited banks
Full Specifications
| Spec | Garmin Forerunner 965 | Garmin Venu 3 |
|---|---|---|
| Software | Garmin OS | Garmin OS |
| Body | ||
| Weight | 53 g | 47 g |
| Case material | Fiber-reinforced polymer with titanium bezel | Stainless steel bezel, fiber-reinforced polymer case |
| Water resistance | 10 ATM | 5 ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 23 days smartwatch mode, 31 hrs GPS | Up to 14 days smartwatch mode, 26 hours GPS |
| Display | ||
| Size | 1.4 inch | 1.4 inch |
| Type | AMOLED | AMOLED |
| Always-on display | ||
| Resolution | 454 x 454 | 454 x 454 |
| Processor | ||
| Chipset | 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 Garmin products or all Garmin products. View full details for the Garmin Forerunner 965 or the Garmin Venu 3.

