Noise ColorFit Ultra 2 vs Huami Amazfit Stratos 3 comparison
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| key specs |
| Strap Material | Silicone | Silicone |
| Dial Shape | Rectangle | Round |
| Display Type | AMOLED | - |
| Ideal For | Unisex | - |
| general |
| Brand | Noise | Huami |
| Model | ColorFit Ultra 2 | Amazfit Stratos 3 |
| Release date | December 23, 2021 | August 27, 2019 |
| Dial Shape | Rectangle | Round |
| Strap Material | Silicone | Silicone |
| Size | Regular | - |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | IP68 | 5ATM |
| Water Resistance Depth | 1.5 | 50 Meters |
| Ideal For | Unisex | - |
| Model Name | - | Stratos 3 |
| Usage | - | For Sports |
| Dial Material | - | Stainless Steel |
| product details |
| Sensor | Heart, SpO2 | BioTracker PPG Bio-Tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air pressure sensor |
| Compatible Device | Android, iOS | Android 5.0 or iOS 10.0 and above |
| Notification | Call, Text, Social Media | Yes |
| Battery Life | 7 days | 7 days in smart mode |
| Charge Time | 2 hours | 2.5 hours |
| Stand By Time | 30 days | - |
| Rechargeable Battery | Yes | - |
| Notification Type | - | Calls, Messages, App Alerts |
| Battery Type | - | Lithium-ion polymer battery |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | - | 5.0 |
| Wi-Fi | - | Yes |
| GPS | - | Yes |
| camera and display features |
| Display Resolution | 368x448 | 320x320 |
| Display Type | AMOLED | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | - |
| Number of Buttons | 1 | 4 |
| Other Fitness Features | - | 80 Sports Modes |
| audio and video features |
| Other Multimedia Features | Music Control | - |
| Audio Features | - | Standalone Music Playback |
| dimensions |
| Thickness | - | 13.4 mm |
| Diameter | - | 48.6mm |
| Weight (g) | - | 40.40 |
| platform and storage features |
| Operating System | - | Amazfit OS |
| Number of Cores | - | dual-core |
| RAM | - | 512MB |
| Processor Speed | - | 1200 |
| Internal Memory | - | 2GB |
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