| key specs |
| Strap Colour | Ivory, Olive, Blue, Black, Pink | Black, Gold, Silver, Gunmetal |
| Dial Shape | Rectangle | Round |
| Ideal For | Unisex | - |
| Display Size | - | 35mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Xiaomi | Pebble |
| Model | Smart Band 8 Active | Cosmos Bold Pro |
| Release date | October 5, 2023 | May 3, 2023 |
| Dial Shape | Rectangle | Round |
| Strap Colour | Ivory, Olive, Blue, Black, Pink | Black, Gold, Silver, Gunmetal |
| Size | Regular | Regular |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | IP67 |
| Water Resistance Depth | 5ATM | - |
| Ideal For | Unisex | - |
| Model Number | - | PFB42 |
| Model Name | - | Cosmos Bold Pro |
| Dial Material | - | Metal |
| dimensions |
| Width | 25.42 | - |
| Height | 42.81 | - |
| Thickness | 9.99 | - |
| Weight (g) | 14.90 | - |
| product details |
| Sensor | PPG sensor, Accelerometer | SpO2 sensor, Heart Rate tracker, Sleep tracker |
| Compatible Device | iOS, Android | Android, iOS |
| Battery Life | 14 days | 5 days |
| Charge Time | 120 minutes | - |
| Charger Type | Magnetic Charging | Wired charging |
| Rechargeable Battery | Yes | Yes |
| Notification | - | Yes |
| Notification Type | - | Calls, Sms, Email, Whatsapp and Social Media |
| Stand By Time | - | 7 days |
| Other Features | - | Alarm & Notification, Zen Mode, Sleep, Display Timer, Flashlight, Find Phone, Voice Assistant, Music, Camera Shutter, Menu Style |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.1 | - |
| Messaging Support | - | Yes |
| fitness and watch functions |
| Heart Rate Monitor | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Step Count | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | Steps pedometer, SPO2, Heart Rate Monitor, over 100 sports modes |
| Other Watch Functions | - | Alarm & Notification, Zen Mode, Sleep, Find Phone, Voice Assistant, Music, Camera Shutter, Menu Style |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | - | 360x360 pixels |
| Display Size | - | 35mm |
| Other Display Features | - | 500 nits brightness, IPS HD display |