WHOOP 4.0 Sensor vs OnePlus Watch 3
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  WHOOP 4.0 Sensor |  OnePlus Watch 3 |
|---|---|---|
| Price | KSh 36,000.00 | KSh 33,000.00 |
| Display | — | 1.50-inch LTPO AMOLED |
| Battery capacity | Internal rechargeable battery; capacity not published | — |
| Water resistance | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving | 5 ATM rated |
| Processor | — | Qualcomm Snapdragon W5 plus BES2800BP efficiency MCU |
| Storage | — | 32 GB |
| Operating system | — | Wear OS by Google plus RTOS dual-engine architecture |
| Positioning / GNSS | — | Built-in dual-frequency GNSS |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device | 60-second health check-in, heart rate, blood oxygen, vascular wellness, stress and mind-and-body insights; not a medical device |
Full specifications
2 of 4 products
| Specification | WHOOP 4.0 Sensor | OnePlus Watch 3 |
|---|---|---|
| Identity & design | ||
| Brand | WHOOP | OnePlus |
| Model | WHOOP 4.0 sensor | OnePlus Watch 3 |
| Announced | — | February 2025 |
| Dimensions | Exact dimensions not published in current WHOOP support documentation | 46.6 × 47.6 × 11.75 mm (excluding lugs and sensor area) |
| Weight | Exact weight not published in current WHOOP support documentation | Approximately 49.7 g (strap excluded); approximately 81 g with strap |
| Build materials | Screen-free continuous-wear sensor housing | Stainless-steel case, titanium bezel, and sapphire-crystal cover glass |
| Wrist size | — | 140–210 mm |
| Strap / band | — | Fluororubber strap with stainless-steel buckle; configuration dependent |
| Controls / buttons | — | Rotating crown, action button, and touchscreen |
| Display | ||
| Display | — | 1.50-inch LTPO AMOLED |
| Screen resolution | — | 466 × 466 pixels |
| Display protection | — | Sapphire crystal |
| Display features | — | Always-on display; up to 2,200 nits peak brightness |
| Performance & software | ||
| Processor | — | Qualcomm Snapdragon W5 plus BES2800BP efficiency MCU |
| Storage | — | 32 GB |
| Operating system | — | Wear OS by Google plus RTOS dual-engine architecture |
| Connectivity | ||
| Wi-Fi | — | Supported |
| Bluetooth | — | Supported |
| NFC | — | Supported; payment availability varies by market |
| Positioning / GNSS | — | Built-in dual-frequency GNSS |
| Audio & communication | ||
| Speaker | — | Built-in speaker |
| Microphone | — | Built-in microphone |
| Calling | — | Bluetooth calling when paired with a compatible Android phone |
| Sensors, health & fitness | ||
| Sensors | Photoplethysmography sensors and skin-temperature sensing | Wrist temperature, optical heart rate, optical pulse oximeter, geomagnetic, ambient light, barometer, accelerometer, and gyroscope sensors |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device | 60-second health check-in, heart rate, blood oxygen, vascular wellness, stress and mind-and-body insights; not a medical device |
| Sleep tracking | Automatic sleep detection, sleep duration, stages, sleep need and sleep performance | Sleep stages, quality score, breathing and snoring-risk assessment |
| Sports / workout modes | Automatic and manual activity tracking | Multiple sports and workout modes |
| Battery & durability | ||
| Battery capacity | Internal rechargeable battery; capacity not published | — |
| Battery life | Approximately 5 days | Up to 5 days in smart mode, up to 3 days with heavy smart use, or up to 16 days in power saver mode |
| Charging | WHOOP 4.0 slide-on wireless Battery Pack for on-wrist charging | Fast magnetic charging |
| Water resistance | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving | 5 ATM rated |
| Durability / certifications | — | IP68-rated dust and water resistance |
| Compatibility | ||
| Phone compatibility | Compatible iPhone or Android phone; current support recommends iOS 18+ or Android 10+ | Compatible Android smartphone required for full Wear OS features |
| Companion app | WHOOP app | OHealth |
| Colors | — | Emerald Titanium or Obsidian Titanium, market dependent |
| 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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