| key specs |
| Strap Colour | Speedster Grey | Aqua, Black, White |
| Display Size | 36mm | 44mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Round |
| Display Type | AMOLED | MIP |
| Ideal For | - | Unisex |
| general |
| Brand | Amazfit | Garmin |
| Model | Cheetah | Forerunner 55 |
| Release date | June 21, 2023 | June 2, 2021 |
| Model Name | Amazfit Cheetah | - |
| Dial Colour | Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Speedster Grey | Aqua, Black, White |
| Strap Material | Silicone | Silicone |
| Water Resistance Depth | 5 ATM | 50 |
| Dial Material | Fiber-reinforced polymer | - |
| Size | - | Large |
| Water Resistant | - | 5ATM |
| Ideal For | - | Unisex |
| dimensions |
| Width | 46.7 | 42 |
| Height | 46.7 | 42 |
| Thickness | 11.9 | 11.6 |
| Weight (g) | 32.00 | 37.00 |
| Diameter | - | 1.04 |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker, BioTracker PPG sensor | - |
| Compatible Device | Android, iOS | - |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | Smart |
| Battery Type | 440 | - |
| Battery Life | 14 days | - |
| Charge Time | 2 hours | - |
| Charger Type | Magnetic Charger | - |
| Stand By Time | 45 days | - |
| Rechargeable Battery | Yes | Yes |
| Other Features | Dual-band circularly-polarised GPS antenna, AI-powered Zepp Coach | - |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Bluetooth | - |
| Bluetooth Version | Bluetooth 5.3 | - |
| GPS | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 454x454 | 208x208 |
| Display Size | 36mm | 44mm |
| Display Type | AMOLED | MIP |
| Scratch Resistant | Yes | - |
| Other Display Features | 1000 nits brightness, Always-on Display, Corning Gorilla Glass 3, anti-fingerprint coating | Chemically Strengthened Glass |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | 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 | - |
| Microphone | Yes | - |