OnePlus Watch 2 vs Xiaomi Watch S5
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  OnePlus Watch 2 |  Xiaomi Watch S5 |
|---|---|---|
| PriceDifferent | KSh 29,500.00 | KSh 25,000.00 |
| DisplayDifferent | 1.43-inch AMOLED | 1.48-inch AMOLED |
| Battery capacityDifferent | 500 mAh | 815 mAh lithium-ion polymer battery |
| Water resistanceDifferent | 5 ATM rated | 5 ATM |
| Processor | Qualcomm Snapdragon W5 plus BES2700 efficiency MCU | — |
| RAM | 2 GB | — |
| Storage | 32 GB | — |
| Operating systemDifferent | Wear OS by Google plus RTOS dual-engine architecture | Xiaomi HyperOS 3 |
| Network / cellular | — | No cellular connectivity |
| Positioning / GNSSDifferent | Dual-frequency GPS with multiple satellite systems | Built-in dual-band five-system GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS |
| Health & wellness featuresDifferent | Heart rate, blood oxygen, stress and activity tracking; wellness data is not intended for medical diagnosis | Heart-rate, blood-oxygen and stress monitoring; one-tap health check |
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Full specifications
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Identity & design
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Brand | OnePlus | Xiaomi |
| Model | OnePlus Watch 2 | Xiaomi Watch S5 46mm |
| Announced | February 2024 | 28 May 2026 |
| Dimensions | 47.0 × 46.6 × 12.1 mm; approximately 13.65 mm including PPG sensor | 46.00 × 46.00 × 10.99 mm, excluding strap and protrusions |
| Weight | Approximately 49 g (strap excluded); approximately 80 g with strap | Approximately 46 g without in-box strap |
| Build materials | Stainless-steel case, plastic lower case, and 2.5D sapphire-crystal cover | 316L stainless-steel watch body; stainless-steel, ceramic or forged-carbon bezel; glass cover |
| Wrist size | 140–210 mm | Black/Silver: approximately 140–210 mm; Ceramic Blue/Jungle Green: approximately 135–205 mm |
| Strap / band | Fluororubber strap with stainless-steel buckle | Black/Silver: fluororubber; Ceramic Blue: genuine leather; Jungle Green: fluororubber plus nylon braided strap |
| Controls / buttons | Two side buttons and touchscreen | Stainless-steel rotating crown; upper and lower buttons; touchscreen |
Display
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Display | 1.43-inch AMOLED | 1.48-inch AMOLED |
| Screen resolution | 466 × 466 pixels (~326 ppi) | 480 × 480 pixels, 459 ppi |
| Display protection | 2.5D sapphire crystal | Drop-resistant glass |
| Display features | Always-on display; up to 1,000 nits high-brightness mode | 1,500 nits HBM brightness; up to 2,500 nits peak brightness; wet-touch protection; ultra-narrow 2.6 mm bezel |
Performance & software
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Processor | Qualcomm Snapdragon W5 plus BES2700 efficiency MCU | — |
| RAM | 2 GB | — |
| Storage | 32 GB | — |
| Operating system | Wear OS by Google plus RTOS dual-engine architecture | Xiaomi HyperOS 3 |
Connectivity
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Network / cellular | — | No cellular connectivity |
| Wi-Fi | Supported | Not supported |
| Bluetooth | Supported | Dual-mode Bluetooth BLE/BT 5.4 |
| NFC | Supported; payment availability varies by market | Supported; payments availability varies by region |
| Positioning / GNSS | Dual-frequency GPS with multiple satellite systems | Built-in dual-band five-system GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS |
Audio & communication
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Speaker | Built-in speaker | Supported |
| Microphone | Built-in microphone | Supported |
| Calling | Bluetooth calling when paired with a compatible Android phone | — |
Sensors, health & fitness
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Sensors | Accelerometer, gyroscope, geomagnetic, optical heart-rate, optical blood-oxygen, barometer, and ambient-light sensors | Heart-rate sensor with blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass; barometer |
| Health & wellness features | Heart rate, blood oxygen, stress and activity tracking; wellness data is not intended for medical diagnosis | Heart-rate, blood-oxygen and stress monitoring; one-tap health check |
| Sleep tracking | Sleep duration, stages, breathing and sleep score | Enhanced sleep monitoring |
| Sports / workout modes | More than 100 sports modes | 150+ sports modes |
| Training & outdoor features | — | Advanced outdoor-sports tracking; upgraded cycling mode; dual-band GNSS; Bluetooth power-meter connectivity |
Battery & durability
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Battery capacity | 500 mAh | 815 mAh lithium-ion polymer battery |
| Battery life | Up to 100 hours in Smart Mode; up to 48 hours with heavy use; up to 12 days in power saver mode | Light use: up to 21 days; normal use: up to 14 days; AOD normal use: up to 9 days |
| Charging | VOOC fast charging via magnetic charging base | 2-pin magnetic charging dock |
| Water resistance | 5 ATM rated | 5 ATM |
| Durability / certifications | IP68-rated dust and water resistance; MIL-STD-810H tested | — |
Compatibility
| Specification | OnePlus Watch 2 | Xiaomi Watch S5 |
|---|---|---|
| Phone compatibility | Android smartphone required; Wear OS feature availability varies by phone and region | Android 8.0 or later; iOS 14.0 or later |
| Companion app | OHealth | Mi Fitness |
| Colors | Black Steel or Radiant Steel | Black; Silver; Ceramic Blue; Jungle Green |
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