Xiaomi Smart Band 9 vs Samsung Galaxy Fit 4
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Xiaomi Smart Band 9 |  Samsung Galaxy Fit 4 |
|---|---|---|
| Price | KSh 9,500.00 | KSh 7,500.00 |
| Display | 1.62-inch AMOLED touchscreen | 1.6-inch AMOLED, 16 million colors |
| Battery capacity | 233 mAh nominal | 208 mAh typical |
| Water resistance | 5 ATM rated for suitable shallow-water activities | 5 ATM rated |
| Health & wellness features | Heart rate, blood oxygen, stress, cycle and activity tracking; wellness data is not intended for medical diagnosis | Heart rate, blood oxygen, stress and menstrual-cycle tracking; body composition and ECG are not supported |
| Sleep tracking | Sleep monitoring and breathing-quality insights | Sleep monitoring and coaching when paired with Samsung Health |
| Sports / workout modes | More than 150 sports modes | More than 100 workout types with automatic workout detection |
| Phone compatibility | Android 8.0 or later; iOS 12.0 or later | Compatible Android smartphones; Samsung account and Galaxy Wearable/Samsung Health apps required; some features require a Galaxy phone |
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Full specifications
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Identity & design
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Brand | Xiaomi | Samsung |
| Model | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
| Announced | July 2024 | February 2027 |
| Dimensions | 46.53 × 21.63 × 10.95 mm (strap and protrusions excluded) | 42.9 × 28.8 × 9.9 mm |
| Weight | 15.8 g (strap excluded) | 18.5 g body only (band excluded) |
| Build materials | Metal frame with TPU strap; finish varies by color | Aluminum body with display cover glass |
| Wrist size | 135–210 mm | Band fit varies by supplied strap configuration |
| Strap / band | TPU strap | Quick-release sport band; color varies by configuration |
| Controls / buttons | AMOLED touchscreen | Home button and touchscreen |
Display
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Display | 1.62-inch AMOLED touchscreen | 1.6-inch AMOLED, 16 million colors |
| Screen resolution | 192 × 490 pixels | 256 × 402 pixels |
| Display features | Automatic brightness; adjustable up to 1,200 nits | Always-on display supported; reduces battery life |
Memory & software
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Storage | — | 256 MB |
| Operating system | — | FreeRTOS |
Connectivity
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Bluetooth | Bluetooth Low Energy | Bluetooth 5.3 |
Health & fitness
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Sensors | Accelerometer, gyroscope, optical heart-rate sensor, and ambient-light sensor | Accelerometer, barometer, gyroscope, optical heart-rate sensor, and ambient-light sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, cycle and activity tracking; wellness data is not intended for medical diagnosis | Heart rate, blood oxygen, stress and menstrual-cycle tracking; body composition and ECG are not supported |
| Sleep tracking | Sleep monitoring and breathing-quality insights | Sleep monitoring and coaching when paired with Samsung Health |
| Sports / workout modes | More than 150 sports modes | More than 100 workout types with automatic workout detection |
Smart features
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Safety & emergency features | — | Fall detection and SOS features when paired with a compatible Galaxy phone |
Battery & durability
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Battery capacity | 233 mAh nominal | 208 mAh typical |
| Battery life | Up to 21 days typical use; actual life varies by settings and use | Up to 13 days with always-on display off; up to approximately 3.5 days with always-on display enabled |
| Charging | Magnetic charging; approximately 1 hour | Magnetic USB-C charging cable |
| Water resistance | 5 ATM rated for suitable shallow-water activities | 5 ATM rated |
Compatibility
| Specification | Xiaomi Smart Band 9 | Samsung Galaxy Fit 4 |
|---|---|---|
| Phone compatibility | Android 8.0 or later; iOS 12.0 or later | Compatible Android smartphones; Samsung account and Galaxy Wearable/Samsung Health apps required; some features require a Galaxy phone |
| Companion app | Mi Fitness | Galaxy Wearable and Samsung Health |
| Colors | Midnight Black, Glacier Silver, Mystic Rose, Arctic Blue, or Titan Gray | Gray, Silver, or Pink Gold |
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