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OnePlus Watch 4

Name: OnePlus Watch 4
Brand: OnePlus

OnePlus Watch 4 is a smartwatch released in April 2026. Key specs: case size 47 mm, screen size 1.5″, AMOLED / OLED display, water resistance 5 ATM.

7.6Score

Display8.1

Health tracking9.2

Sports & outdoor4.7

Smart features5.9

Build & durability5.8

price range—

Full specifications

Released: April 2026
Type: Smartwatch
Brand: OnePlus
Popularity: #427 of 796
Series: OnePlus Watch · 4 generations

47 mmCase size

1.5″Screen size

YesAMOLED / OLED display

5 ATMWater resistance

43 gWeight

YesNFC payments

Spec guide

How it ranks among smartwatches of 2026

Spec guide

Screen size · 1.5″Top 36%Water resistance · 5 ATMBottom 37%Weight · 43 gTop 40%

Compared with smartwatches released in 2026. Bars show the share of models it beats.

compared with other smartwatches

Why is Watch 4 a good choice?

Peak brightness: 3,000 nitsbetter than 84% of smartwatches

Weak points

Water resistance: 5 ATMworse than 90% of smartwatches

In rankings

#30Best for health tracking #21Brightest watch screens

Specifications

Full specifications

Design & durability

Case size: 47 mm
Weight: 43 g
Thickness: 11 mm
Height: 47.4 mm
Width: 47.4 mm
Sapphire crystal: Yes
Lens / cover glass: Sapphire crystal glass
Water resistance: 5 ATM
Ingress protection: IP68
Water resistance (IPx): IPx8
Military-grade (MIL-STD-810): Yes
Colours: Midnight Titanium, Evergreen Titanium

Display

Screen size: 1.5″
Display technology: AMOLED
Panel: LTPO AMOLED
AMOLED / OLED display: Yes
Resolution (width): 466 px
Resolution (height): 466 px
Pixel density: 310 ppi
Peak brightness: 3,000 nits
LTPO display: Yes
Refresh rate: 60 Hz

Battery

Battery capacity: 646 mAh
Battery type: Si/C
Wireless charging: No

Health sensors

Optical heart rate: Yes
Blood oxygen (SpO2): Yes
ECG: Yes
Skin temperature: Yes
Temperature sensor: Yes
Sensors: Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)

Sports & navigation

Built-in GPS: Yes
Dual-band GPS: Yes
Satellite systems: GLONASS, GALILEO, BDS, QZSS
Barometric altimeter: Yes
Compass: Yes

Connectivity

NFC payments: Yes
LTE (cellular): No
eSIM: No
Wi-Fi: Wi-Fi 4
Bluetooth: 5.2

Smart features

Speaker: Yes
Storage: 32 GB
RAM: 2 GB

Platform

Operating system: OxygenOS Watch 8 + Wear OS 7.0
Platform: Wear OS
Chipset: Qualcomm Snapdragon W5 Gen 1

Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.

Compare

Compare Watch 4 with

All alternatives

OnePlus Watch 4vsOnePlus Watch 37.66.9

OnePlus Watch 4vsXiaomi Watch S57.68.2

OnePlus Watch 4vsVivo Watch GT2

OnePlus Watch 4vsIce Watch ICE smart SQ 2.0 Smartwatch

OnePlus Watch 4vsOnePlus Watch 3 43mm7.67.1

OnePlus Watch 4vsGarett Prime Smartwatch Herren, Edelstahl, Gorilla Glass

In collections

All collections

Smartwatches: Wear OS9 Smartwatches: Dual-band GPS80 Smartwatches: ECG94 Smartwatches: Dual-band GPS + ECG99 Smartwatches: Case size from 46 mm + ECG119 Smartwatches: NFC payments + ECG136 Smartwatches: Case size from 46 mm + dual-band GPS155 Smartwatches: AMOLED / OLED display + dual-band GPS168

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8.2