| key specs |
| Dial Shape | Rectangle | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| Strap Colour | - | Speedster Grey |
| Display Size | - | 36mm |
| Compatible OS | - | Android, iOS |
| Strap Material | - | Silicone |
| general |
| Brand | boAt | Amazfit |
| Model | Ultima Ember | Cheetah |
| Release date | February 22, 2025 | June 21, 2023 |
| Dial Shape | Rectangle | Round |
| Touchscreen | 1.96 | - |
| Water Resistant | IP68 | - |
| Usage | Regular | - |
| Ideal For | Unisex | - |
| Model Name | - | Amazfit Cheetah |
| Dial Colour | - | Black |
| Strap Colour | - | Speedster Grey |
| Strap Material | - | Silicone |
| Water Resistance Depth | - | 5 ATM |
| Dial Material | - | Fiber-reinforced polymer |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker, BioTracker PPG sensor |
| Battery Type | 300mAh | 440 |
| Battery Life | 15 days | 14 days |
| Compatible Device | - | Android, iOS |
| Notification | - | Yes |
| Notification Type | - | Smart Notification |
| Charge Time | - | 2 hours |
| Charger Type | - | Magnetic Charger |
| Stand By Time | - | 45 days |
| Rechargeable Battery | - | Yes |
| Other Features | - | Dual-band circularly-polarised GPS antenna, AI-powered Zepp Coach |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | - | Bluetooth 5.3 |
| camera and display features |
| Display Resolution | 368 x 448 | 454x454 |
| Display Type | AMOLED | AMOLED |
| Other Display Features | Always-On Display | 1000 nits brightness, Always-on Display, Corning Gorilla Glass 3, anti-fingerprint coating |
| Display Size | - | 36mm |
| Scratch Resistant | - | Yes |
| 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 |
| Altimeter | - | Yes |
| Compass | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | Yes |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | Activity Tracker, Breathe,150+ Sports Mode Tracking, Multisport Tracker, Calorie Tracker, Sedentary Reminder, Sleep Monitor, Running mode, Swimming heart rate monitoring |
| Other Watch Functions | - | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Music Player, Pedometer, Pomodoro Timer, Weather updates |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| dimensions |
| Width | - | 46.7 |
| Height | - | 46.7 |
| Thickness | - | 11.9 |
| Weight (g) | - | 32.00 |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |