OnePlus Watch 2 vs OnePlus Watch 3
These two are very similar: both have built-in GPS and Wear OS software. The main difference: the OnePlus Watch 3 lasts a little longer: up to 5 days against 100 hours in smartwatch mode.
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Key differences
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Battery life
Evenly matched
Similar battery life: up to 100 hours and 5 days.
-
GPS
Evenly matched
Both have built-in GPS with similar features.
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Display
Evenly matched
Both have AMOLED screens of a similar size.
-
Health
Evenly matched
Much the same health sensors.
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Weight
Evenly matched
Similar weight: 49 g and 49.7 g.
Which one should you choose?
Choose the OnePlus Watch 2 if…
- You prefer its look and app: it covers the same essentials as the OnePlus Watch 3.
Choose the OnePlus Watch 3 if…
- You'd like a bit more time between charges: it's rated for 5 days.
- You're outside a lot: its screen reaches 2,200 nits.
Full spec comparison
On the specs both makers publish, these two are closely matched.
Green cells with a ✓ mark the better spec in that row. Tick "Show differences only" to hide the rows where they match.
Overview
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Brand | OnePlus | OnePlus |
| Series | OnePlus Watch | — |
| Versions | — | Black, Silver |
| Colours | Black Steel, Radiant Steel | Black, Silver |
Platform & apps
Both work with the same phones and software.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Operating system | Wear OS | Wear OS |
| Works with | Android only | — |
| Minimum Android | Android 8 | — |
| Chipset | Snapdragon W5 Gen 1 | Snapdragon W5 |
| RAM | 2,048 MB | — |
| Storage | 32 GB | 32 GB |
| App store | Yes | — |
Display
The OnePlus Watch 3 is ahead on the display.
It has a brighter screen, and the OnePlus Watch 2 doesn't beat it on anything here.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Display type | AMOLED | LTPO OLED |
| Display name | — | LTPO AMOLED |
| Screen size | 1.43 in | 1.5 in |
| Resolution | 466 x 466 | 466 x 466 |
| Pixel density | 326 ppi | — |
| Peak brightness | 600 nits | 2,200 nits |
| Colour display | Yes | Yes |
| Always-on display | Yes | — |
Design & durability
Both are similar in size, weight and water rating.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Case sizes | 47 mm | 46.6 mm |
| Dimensions | 47 x 46.6 x 12.1 mm | 46.6 x 47.6 x 11.75 mm |
| Thickness | 12.1 mm | 11.75 mm |
| Weight (case) | 49 g | 49.7 g |
| Weight with band | 80 g | 81 g |
| Case material | Stainless steel | Stainless steel |
| Bezel material | — | titanium |
| Lens | 2.5D Sapphire Crystal | sapphire |
| Back material | Plastic (PC/PC+glass fiber) with two-color injection molding | — |
| Band material | Fluororubber, stainless steel buckle | — |
| Fits wrists | 140-210 mm | 140-210 mm |
| Water resistance | 5 ATM | 5 ATM |
| IP rating | IP68 | IP68 |
| MIL-STD-810 tested | Yes | Yes |
Battery
The OnePlus Watch 3 is ahead on battery life.
It lasts a little longer (5 days), and the OnePlus Watch 2 doesn't beat it on anything here.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Battery (smartwatch mode) | 4.2 days | 5 days |
| All battery modes | Smartwatch: 4.2 days; Always-on display: 2 days; Battery saver: 12 days | Battery saver: 16 days; Smartwatch: 5 days; Smartwatch: 3 days |
| Battery capacity | 500 mAh | — |
| Charging | cradle | dock |
| Full charge time | 60 min | — |
| Fast charging | 10 minutes of charging for 24 hours of power | — |
GPS & navigation
Both have built-in GPS with similar capabilities.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| GPS | Built-in | Built-in |
| Multi-band GPS | Yes | Yes |
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | GPS, Galileo, GLONASS, QZSS, BeiDou |
Health & sensors
Both track much the same health data.
Heart rate, sleep and the extra sensors line up closely.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Sensors | accelerometer, gyroscope, optical HR, compass, ambient light, barometer | optical HR, SpO2, skin temperature, accelerometer, gyroscope, barometer, compass, ambient light |
| Heart-rate tracking | 24/7 | 24/7 |
| High/low heart-rate alerts | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Skin temperature | — | Yes |
| Respiration rate | Yes | — |
| Sleep tracking | Sleep score | Sleep score |
| Stress tracking | Yes | — |
Training
Training features are evenly matched.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Sport profiles | 100 | 100 |
| Auto activity detection | Yes | — |
| Swim tracking | Pool | Pool |
| Training metrics | aerobic training effect, cardiorespiratory capacity, recovery time, heart rate recovery rate | — |
| Running dynamics | Yes | Yes |
| Wrist running power | Yes | Yes |
Smart features
Both offer much the same smart features.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Notifications | Yes | — |
| Calls on the watch | Yes | Yes |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Google Assistant | — |
| Contactless payments | Yes | Yes |
| Payment service | Google Wallet | Google Wallet |
| Cellular | None | — |
| Wi-Fi | 802.11 a/b/g/n, 2.4/5 GHz | WiFi 5G/2.4G |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 |
| Flashlight | Yes | — |
Diving, golf & more
Neither has a specialist edge here.
| Spec | OnePlus Watch 2 | OnePlus Watch 3 |
|---|---|---|
| Specialist modes | ski | — |