Display
- Xiaomi Smart Band 9
- 192 × 490 pixels
- CMF Watch 3 Pro
- 466 × 466 pixels; 326 ppi
Wearable comparison
Compare battery life, health tracking, display and fit.
01Selected ![]() Xiaomi Smart Band 9
KSh 6,550Out of Stock | 02 ![]() CMF Watch 3 Pro
KSh 11,500In Stock |
|---|







The Xiaomi Smart Band 9, a fitness band with a small screen, lasts longer between charges (21 days typical) and has faster recharging (1 hour) and a larger 1.62-inch screen, while the CMF Watch 3 Pro, a smartwatch with a 1.43-inch OLED screen, has a much bigger battery (350 mAh) and a sharper screen and takes calls from the wrist.
The main differences to help you choose.
| Priority | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Battery life | 233 mAh battery | 350 mAh battery |
| Portability | 15.8 g | 51.9 g |
| Display | 1.62-inch OLED display, 60 Hz | 1.43-inch OLED display, 326 ppi |
| Water resistance | 5 ATM | IP68 water and dust resistance |
| Sleep tracking | Sleep monitoring | Enhanced sleep tracking |
| Charging | Magnetic charging | Charging cable |
| Companion app | Mi Fitness | Nothing X |
| Health & wellness features | Heart rate, blood oxygen | Automatic and 24-hour heart rate |
| Controls / buttons | Touchscreen interface | Functional crown, gesture shortcuts, and touchscreen |
| Strap / band | TPU | Removable liquid-silicone strap |
| packing list | Band, magnetic charging cable | Watch, charging cable |
Tick a topic above to see how each product answers it.
Explore the full specifications, section by section.
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Display | 1.62-inch AMOLED touch display | 1.43-inch AMOLED |
| Screen resolution | 192 × 490 pixels | 466 × 466 pixels; 326 ppi |
| Display features | Up to 1,200-nit peak brightness; automatic brightness; 60Hz refresh rate varies by interface | 60 fps; always-on display |
| Display protection | — | Glass |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Network / cellular | — | No cellular connectivity |
| SIM / eSIM | — | No |
| Wi-Fi | — | No |
| Bluetooth | — | Bluetooth 5.3 |
| NFC | — | No |
| Positioning / GNSS | — | Dual-band L1 + L5; GPS; GLONASS; Galileo; QZSS; BeiDou |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Brand | Xiaomi | CMF |
| Model | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
| Dimensions | 46.53 × 21.63 × 10.95 mm, excluding strap and protrusions | With strap: 258 × 47 mm; depth 14.4 mm Dark Grey/Light Green, 15.2 mm Light Grey, 14.5 mm Orange |
| Weight | 15.8 g without strap | Dark Grey/Light Green: 51.9 g; Light Grey: 51.0 g; Orange: 52.4 g |
| Build materials | Metallic frame | Metal body; liquid-silicone strap |
| Wrist size | 135–210 mm | — |
| Strap / band | TPU | Removable liquid-silicone strap |
| Controls / buttons | Touchscreen interface | Functional crown, gesture shortcuts, and touchscreen |
| Announced | — | 2025, July 22 |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Sensors | Accelerometer; gyroscope; optical heart-rate sensor; ambient-light sensor | Accelerometer; gyroscope; ambient light; heart-rate and SpO₂ sensor |
| Health & wellness features | Heart rate; blood oxygen; stress; menstrual-cycle records; personal wellness reference only | Automatic and 24-hour heart rate; resting and exercise heart rate; alerts; Active Score; SpO₂ and alerts; stress; cycle tracking |
| Sleep tracking | Sleep monitoring; REM and other advanced monitoring require enabling relevant settings | Enhanced sleep tracking |
| Sports / workout modes | 150+ sports modes; ten on-wrist running courses | 131 sports modes |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Smart features / notifications | Call and notification reminders through paired phone; selected features require Mi Fitness running in background | — |
| Watch faces | More than 200 watch faces through Mi Fitness; supported personalised photo faces | — |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Battery capacity | 233 mAh | 350 mAh Li-ion |
| Battery life | Up to 21 days typical use | 13 days typical; 10 days heavy; 4.5 days heavy with AOD; 60 days power saver; 17.9 hours Bluetooth calls; 17.2 hours GPS |
| Charging | Magnetic charging | Charging cable |
| Water resistance | 5 ATM | IP68 |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Phone compatibility | Android 8.0 or later; iOS 12.0 or later | Android 6 or later; iOS 13 or later |
| Companion app | Mi Fitness | Nothing X |
| Colors | Midnight Black; Glacier Silver; Mystic Rose; Arctic Blue; Titan Gray | Light Green; Orange; Light Grey; Dark Grey |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| component variants | Standard TPU-strap edition; optional straps and running clip sold separately | — |
| motor | Linear motor | — |
| strap material | TPU | — |
| clip | Optional Xiaomi Smart Band 9 Running Clip, sold separately | — |
| secondary battery life | Up to nine days with AOD; 6.6 days heavy use under manufacturer test conditions | — |
| charging time | Approximately 1 hour | 99 minutes |
| movement sensors | Accelerometer and gyroscope | — |
| packing list | Band; magnetic charging cable; user manual | Watch; charging cable; user guide; safety and warranty information |
| Case material | — | Metal |
| Pixels per inch | — | 326 ppi |
| Peak brightness | — | 650 nits typical; up to 670 nits |
| Smart recognition | — | 7 activities |
| Release status | — | Available. Released 2025, July 22 |
| Model numbers | — | D399 |
| Card slot | — | No |
| Camera | — | No |
| 3.5 mm headphone jack | — | No |
| USB | — | No |
| Radio | — | No |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Speaker | — | Supported |
| Microphone | — | Supported |
| Calling | — | Bluetooth calling |
| Specification | Xiaomi Smart Band 9 | CMF Watch 3 Pro |
|---|---|---|
| Training & outdoor features | — | 8–16 week custom running coach, VO2 max, heart-rate zones, training load, recovery guidance, dual-band GPS and 3D warm-up/stretching guides |
These products have the same published specifications.
Get the Xiaomi Smart Band 9 if you want longer battery life and faster recharging, or the CMF Watch 3 Pro if you would rather have a much bigger battery and a sharper screen.
Back to compared products ↑
Xiaomi Smart Band 9VS
Xiaomi Smart Band 9 Active
Xiaomi Smart Band 9VS
Redmi Watch 3
Xiaomi Smart Band 9VS
AmazFit Pop 3R
Xiaomi Smart Band 9VS
Infinix XWatch N5 Pro
Xiaomi Smart Band 9VS
Infinix GT Watch 5 Pro
Oraimo Watch 2 ProVS
Xiaomi Smart Band 9
Oraimo Watch ER OSW-42VS
Xiaomi Smart Band 9
Xiaomi Smart Band 9VS
Huawei Band 10
Xiaomi Smart Band 9VS
Xiaomi Smart Band 7 (Global)
Xiaomi Smart Band 8VS
Xiaomi Smart Band 9We are here to serve you
Keep a link to this cart, or ask us to send it to you. Reminders are optional.
You may send me reminders about this cart on the channels I select. I can opt out at any time.
Only the details you provide here or in checkout are used. Reminders are optional. Privacy notice