Garmin
Forerunner 165 vs OnePlus Watch 3 43mm
Device summary
OnePlus
OnePlus Watch 3 43mm
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2024 | 2025 |
| Starting price | — | — |
| Display size | 1.2-inch | 1.3-inch |
| Dimensions | 43.0 mm × 43.0 mm × 11.6 mm | 43.2 mm × 43.2 mm × 11.0 mm |
| Weight | 39 g | 38 g |
| Front material | — | 2.5D glass |
| Back material | — | — |
| Display | ||
| Display technology | AMOLED | AMOLED |
| Resolution | 390 × 390 | 466 × 466 |
| Protection | — | 2.5D glass |
| Performance | ||
| Chipset | — | Snapdragon W5 Gen 1 + BES2800BP MCU |
| Expandable storage | — | No |
| Battery & charging | ||
| Charging standard | Garmin proprietary clip / USB charging | Magnetic charging (≈1 hour to full) |
| Battery type | Lithium-ion | Lithium-ion |
| Typical capacity | — | 354 mAh |
| Rated capacity | — | 345 mAh |
| Connectivity | ||
| Cellular | GPS / multi-GNSS | GPS / multi-GNSS (Beidou, GPS, Galileo, GLONASS, QZSS) |
| Bluetooth | Bluetooth | Bluetooth 5.2 |
| NFC | Yes | Yes |
| Build & durability | ||
| Frame | Fiber-reinforced polymer | Stainless steel |
| Ingress protection | 5 ATM | 5 ATM / IP68 |
Basic information
Release year
- Forerunner 165
- 2024
- OnePlus Watch 3 43mm
- 2025
Starting price
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- —
Display size
- Forerunner 165
- 1.2-inch
- OnePlus Watch 3 43mm
- 1.3-inch
Dimensions
- Forerunner 165
- 43.0 mm × 43.0 mm × 11.6 mm
- OnePlus Watch 3 43mm
- 43.2 mm × 43.2 mm × 11.0 mm
Weight
- Forerunner 165
- 39 g
- OnePlus Watch 3 43mm
- 38 g
Front material
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- 2.5D glass
Back material
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- —
Display
Display technology
- Forerunner 165
- AMOLED
- OnePlus Watch 3 43mm
- AMOLED
Resolution
- Forerunner 165
- 390 × 390
- OnePlus Watch 3 43mm
- 466 × 466
Protection
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- 2.5D glass
Performance
Chipset
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- Snapdragon W5 Gen 1 + BES2800BP MCU
Expandable storage
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- No
Battery & charging
Charging standard
- Forerunner 165
- Garmin proprietary clip / USB charging
- OnePlus Watch 3 43mm
- Magnetic charging (≈1 hour to full)
Battery type
- Forerunner 165
- Lithium-ion
- OnePlus Watch 3 43mm
- Lithium-ion
Typical capacity
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- 354 mAh
Rated capacity
- Forerunner 165
- —
- OnePlus Watch 3 43mm
- 345 mAh
Connectivity
Cellular
- Forerunner 165
- GPS / multi-GNSS
- OnePlus Watch 3 43mm
- GPS / multi-GNSS (Beidou, GPS, Galileo, GLONASS, QZSS)
Bluetooth
- Forerunner 165
- Bluetooth
- OnePlus Watch 3 43mm
- Bluetooth 5.2
NFC
- Forerunner 165
- Yes
- OnePlus Watch 3 43mm
- Yes
Build & durability
Frame
- Forerunner 165
- Fiber-reinforced polymer
- OnePlus Watch 3 43mm
- Stainless steel
Ingress protection
- Forerunner 165
- 5 ATM
- OnePlus Watch 3 43mm
- 5 ATM / IP68
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Thickness
OnePlus Watch 3 43mm
0.6 mm thinner
Display size
OnePlus Watch 3 43mm
0.1 in larger display · minor difference
Height
Very similar height
Width
Very similar width