| key specs |
| Display Size | 36mm | 40mm |
| Compatible OS | Android 8.0 or above, iOS 12.0 or above | - |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black, White, Grey |
| Strap Material | - | Silicone |
| general |
| Brand | Xiaomi | Garmin |
| Model | Watch S4 15th Anniversary Edition | Venu 2S |
| Release date | May 23, 2025 | April 23, 2021 |
| Model Name | Xiaomi Watch S4 15th Anniversary Edition | Venu 2S |
| Dial Colour | Black | - |
| Dial Shape | Round | Round |
| Size | Regular | - |
| Touchscreen | 1.43 | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | 5 ATM | 5ATM |
| Usage | Regular | - |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Silicone |
| Water Resistance Depth | - | 50 metres |
| Dial Material | - | Stainless Steel |
| Strap Colour | - | Black, White, Grey |
| dimensions |
| Width | 47.3 | 40.4 |
| Height | 47.3 | 40.4 |
| Thickness | 12 | 12.1 |
| Weight (g) | 44.50 | 38.20 |
| product details |
| Sensor | Heart Rate Monitor, Stress, Sleep | Ambient light sensor, Thermometer, Thermometer,Gyroscope, Compass, Barometric altimeter, Pulse Ox Blood Oxygen Saturation Monitor ,Galileo, GPS, GLONASS |
| Compatible Device | Android and iOS | Android, iPhone |
| Battery Type | 486mAh | - |
| Closure | - | Buckle |
| Notification | - | Yes |
| Notification Type | - | Calls, Emails, Texts, App Notifications |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | - |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC, Galileo, Glonass, Beidou, QZSS | ANT+, Garmin Pay |
| platform and storage features |
| Operating System | HyperOS 2 | - |
| Compatible Operating System | Android 8.0 or above, iOS 12.0 or above | - |
| camera and display features |
| Display Resolution | 466 x 466 | 360x360 |
| Display Size | 36mm | 40mm |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | Engllsh |
| Compass | - | Yes |
| Calendar | - | Yes |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | Body Battery, Fitness Age, Health Snapshot, Stress Monitor, Sleep Score |