Garmin Venu 3 vs OnePlus Watch 2
Side-by-side specifications, scores and verdict.
Quick Verdict
Both smartwatches deliver premium AMOLED displays and solid health tracking, but they cater to different priorities. Garmin Venu 3 excels with comprehensive health features including ECG and skin temperature monitoring, plus superior battery longevity reaching 14 days in smartwatch mode. Its Garmin OS offers exceptional sports tracking and outdoor navigation. OnePlus Watch 2 counters with remarkable 100-hour battery life in smart mode, a slightly larger 1.43-inch display, and superior processing power via Snapdragon W5 Gen 1 plus dual-engine architecture, making it snappier for apps and notifications. OnePlus also includes IP68 certification beyond water resistance. At $150 less, OnePlus provides exceptional value with better everyday performance. Choose Garmin for medical-grade health monitoring and endurance athletes; select OnePlus Watch 2 for users prioritizing battery life, app performance, and budget consciousness.
Full Specifications
| Specification | Garmin Venu 3 | OnePlus Watch 2 |
|---|---|---|
| Software | Garmin OS | Wear OS 4 (dual-engine architecture) |
| Body | ||
| Weight | 47 g | 49 g |
| Case material | Stainless steel bezel, fiber-reinforced polymer case | Stainless steel case with sapphire crystal glass |
| Water resistance | 5 ATM | 5 ATM, IP68 |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 14 days smartwatch mode, 26 hours GPS | Up to 100 hours smart mode, 12 days power saver |
| Display | ||
| Size | 1.4 inch | 1.43 inch |
| Type | AMOLED | AMOLED |
| Always-on display | ||
| Resolution | 454 x 454 | 466 x 466 |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
| Processor | ||
| RAM | — | 2 GB |
| Chipset | — | Snapdragon W5 Gen 1 + BES2700 MCU |
Category Scores
Pros & Cons
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
OnePlus Watch 2
Pros
- Industry-leading battery life for a Wear OS smartwatch
- Dual-chip architecture combines Wear OS with efficient RTOS
- Premium build with sapphire crystal and stainless steel
- Dual-frequency L1+L5 GPS for accurate tracking
- Full Google Wear OS app ecosystem
Cons
- Only one 46mm size, too large for smaller wrists
- No ECG or skin temperature sensor
- No cellular variant available
- Non-rotating crown, no rotating bezel
- iPhone compatibility is limited
Related Comparisons
Explore more in smartwatches, see all Garmin products or all OnePlus products. View full details for the Garmin Venu 3 or the OnePlus Watch 2.

