WHOOP 4.0 Sensor vs OnePlus Watch 4
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  WHOOP 4.0 Sensor |  OnePlus Watch 4 |
|---|---|---|
| Price | KSh 36,000.00 | KSh 38,000.00 |
| Display | — | 1.5-inch LTPO AMOLED |
| Battery capacity | Internal rechargeable battery; capacity not published | 646 mAh lithium-ion |
| Water resistance | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving | 5 ATM |
| Processor | — | Qualcomm Snapdragon W5 Gen 1 + BES2800 |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Operating system | — | Wear OS 6.0 with OxygenOS Watch 8 |
| Network / cellular | — | No cellular connectivity |
| Positioning / GNSS | — | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device | 60-second Wellness Overview; heart-rate monitoring and alerts; blood-oxygen monitoring; wrist-temperature tracking; ECG |
Full specifications
2 of 4 products
| Specification | WHOOP 4.0 Sensor | OnePlus Watch 4 |
|---|---|---|
| Identity & design | ||
| Brand | WHOOP | OnePlus |
| Model | WHOOP 4.0 sensor | OnePlus Watch 4 |
| Announced | — | 22 April 2026 |
| Dimensions | Exact dimensions not published in current WHOOP support documentation | 47.4 × 47.4 × 11 mm |
| Weight | Exact weight not published in current WHOOP support documentation | 43 g without strap; 68 g with strap |
| Build materials | Screen-free continuous-wear sensor housing | Sapphire crystal front; titanium alloy case; glass-fibre-reinforced plastic back |
| Wrist size | — | 140–210 mm |
| Strap / band | — | Fluororubber strap |
| Display | ||
| Display | — | 1.5-inch LTPO AMOLED |
| Screen resolution | — | 466 × 466 pixels, 310 ppi |
| Display protection | — | Sapphire crystal glass |
| Display features | — | 600 nits typical; 1,600 nits High Brightness Mode; up to 3,000 nits peak brightness |
| Performance & software | ||
| Processor | — | Qualcomm Snapdragon W5 Gen 1 + BES2800 |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Operating system | — | Wear OS 6.0 with OxygenOS Watch 8 |
| Connectivity | ||
| Network / cellular | — | No cellular connectivity |
| SIM / eSIM | — | No eSIM |
| Wi-Fi | — | 2.4 GHz and 5 GHz Wi‑Fi |
| Bluetooth | — | Bluetooth 5.2 |
| NFC | — | Supported; Google Wallet |
| Positioning / GNSS | — | Dual-band GPS (L1+L5); GLONASS; Galileo; BeiDou; QZSS |
| Audio & communication | ||
| Speaker | — | Supported |
| Sensors, health & fitness | ||
| Sensors | Photoplethysmography sensors and skin-temperature sensing | Accelerometer; gyroscope; optical heart-rate sensor; optical SpO2 sensor; wrist-temperature sensor; geomagnetic sensor; ambient-light sensor; barometer |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device | 60-second Wellness Overview; heart-rate monitoring and alerts; blood-oxygen monitoring; wrist-temperature tracking; ECG |
| Sleep tracking | Automatic sleep detection, sleep duration, stages, sleep need and sleep performance | Sleep monitoring and Sleep Wellbeing insights |
| Sports / workout modes | Automatic and manual activity tracking | 100+ sports modes; automatic workout recognition |
| Training & outdoor features | — | Professional running, tennis and skiing modes; Pace Assistant; posture, pace and recovery metrics |
| Battery & durability | ||
| Battery capacity | Internal rechargeable battery; capacity not published | 646 mAh lithium-ion |
| Battery life | Approximately 5 days | Smart Mode: up to 5 days Heavy use: up to 3 days Power Saver Mode: up to 16 days |
| Charging | WHOOP 4.0 slide-on wireless Battery Pack for on-wrist charging | 7.5 W wired charging; full charge in approximately 75 minutes |
| Water resistance | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving | 5 ATM |
| Durability / certifications | — | IP68; IP69; MIL‑STD‑810H compliant; ECG certified |
| Compatibility | ||
| Phone compatibility | Compatible iPhone or Android phone; current support recommends iOS 18+ or Android 10+ | Android 9.0 or later with Google Mobile Services 23.45.23 or later; not compatible with iOS or Android Go |
| Companion app | WHOOP app | OHealth |
| Colors | — | Midnight Titanium; Evergreen Titanium |
| Additional specifications | ||
| Charging time | Approximately 150 minutes for the sensor; around 2 hours for the Battery Pack | — |
| Movement sensors | Accelerometer | — |
| Bluetooth and Wi-Fi | Bluetooth 4.2 or higher | — |
| Packing list | WHOOP 4.0 sensor, compatible band and WHOOP 4.0 Battery Pack | — |
| Smart recognition | Automatically recognizes 45 activity types | — |
| Energy, load and readiness features | Recovery, Strain and Sleep scores with personalized coaching | — |
| strap material | SuperKnit performance band | — |
| armband | WHOOP 4.0 band; not compatible with WHOOP 5.0 or MG | — |
| heart rate broadcast | Real-time heart-rate broadcast supported | — |
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