| key specs |
| Dial Shape | Rectangle | Square |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| Strap Colour | - | Obsidian Black, Morning Glow Gold, and Cloud Water Blue |
| Display Size | - | 45mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | boAt | Honor |
| Model | Ultima Ember | Watch 4 |
| Release date | February 22, 2025 | July 12, 2023 |
| Dial Shape | Rectangle | Square |
| Touchscreen | 1.96 | - |
| Water Resistant | IP68 | 5ATM |
| Usage | Regular | - |
| Ideal For | Unisex | - |
| Model Name | - | Honor Watch 4 |
| Dial Colour | - | Black |
| Strap Colour | - | Obsidian Black, Morning Glow Gold, and Cloud Water Blue |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker | SpO2 sensor, Heart Rate tracker, Sleep tracker, Accelerometer, gyroscope sensor, geomagnetic sensor, ambient light sensor |
| Battery Type | 300mAh | Lithium Polymer |
| Battery Life | 15 days | 10 days |
| Compatible Device | - | Android, iOS |
| Notification | - | Yes |
| Notification Type | - | Smart Notification |
| Talk time | - | 10-days |
| Charge Time | - | 2 hours |
| Charger Type | - | Magnetic Charger |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | - | Bluetooth 5.2 |
| Wi-Fi | - | Yes |
| GPS | - | Yes |
| Other Connectivity Features | - | Beidou, GPS, GLONASS, GALILEO, QZSS |
| camera and display features |
| Display Resolution | 368 x 448 | 390*450 |
| Display Type | AMOLED | AMOLED |
| Other Display Features | Always-On Display | Capacitive touch screen |
| Display Size | - | 45mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Calorie Count | - | Yes |
| Compass | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | Yes |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | Activity Tracker, Breathe, 97 Sports Mode Tracking, Calorie Tracker |
| Other Watch Functions | - | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Music Player, Notifications, Phone Call |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | Yes |
| dimensions |
| Width | - | 39.1mm |
| Height | - | 45.3mm |
| Thickness | - | 11.2mm |
| Weight (g) | - | 48.00 |
| platform and storage features |
| Operating System | - | MagicOS version: 7.2 |
| Compatible Operating System | - | Android, iOS |