Apple Watch Series 9 - 45mm vs Xiaomi Redmi Watch Move
Size, specs & wrist fit compared
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Which one fits you
Both need much the same wrist — roughly 47–65mm across the flat of the wrist. Neither will fit where the other won't, so decide on thickness, weight and features instead.
The Xiaomi Redmi Watch Move wears larger than the Apple Watch Series 9 - 45mm (38.9mm vs 38mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.
On the wrist the Xiaomi Redmi Watch Move feels lighter (25g vs 38.8g, case only).
Both are middle-of-the-pack for thickness among the 38mm and 39mm watches in the database.
The Xiaomi Redmi Watch Move is 0.9mm wider, 0.5mm longer, 0.1mm thicker and 13.8g lighter than the Apple Watch Series 9 - 45mm. Both are rectangle.
Apple
Watch Series 9 - 45mm
Xiaomi
Redmi Watch Move
Switch or add watches
Apple
Watch Series 9 - 45mm
Xiaomi
Redmi Watch Move
2D Dimension Schematics
Every case drawn to scale on a shared centre — from above, and in profile against the wrist.
- Apple Watch Series 9 - 45mm38mm × 45mm · 10.7mm thick
- Xiaomi Redmi Watch Move38.9mm × 45.5mm · 10.8mm thick
3D preview
Apple Watch Series 9 - 45mm vs Xiaomi Redmi Watch Move on a wrist
Sized to your own wrist, turned any way you like.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
Battery life compared
Furthest apart in Smartwatch mode, where the Xiaomi Redmi Watch Move lasts 18.7× as long as the Apple Watch Series 9 - 45mm (14 days against 18 hours).
Apple Watch Series 9 - 45mmXiaomi Redmi Watch Move
Smartwatch
0.75 days14 daysBattery Saver
36 hours—
Specifications
The short version
11 key specs| Spec | AppleWatch Series 9 - 45mm | XiaomiRedmi Watch Move |
|---|---|---|
| Case Width | 38mm | 38.9mm |
| Lug-to-Lug | 45mm | 45.5mm |
| Thickness | 10.7mm | 10.8mm |
| Weight | 38.8g | 25g |
| Shape | Rectangle | Rectangle |
| Water Resistance | Waterproof | Waterproof |
| GPS | Yes | No |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.9 inches | 1.85 inches |
| Battery life | 0.75 days | 14 days |
| Released | 2023 | 2025 |
Every specification
116 specs| Spec | Apple Watch Series 9 - 45mm | Xiaomi Redmi Watch Move |
|---|---|---|
| Design | ||
| width | 38 | 38.9 |
| height | 45 | 45.5 |
| volume | 18.3 cm³ | 19.12 cm³ |
| weight | 38.8 g | 25 g |
| thickness | 10.7 | 10.8 |
| resolution | 396 x 484 px | 390 x 450 px |
| screen size | 1.9 inches | 1.85 inches |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Has a display | Yes | Yes |
| pixel density | 329 ppi | 322 ppi |
| water resistance | Waterproof | Waterproof |
| Always-On Display | Yes | Yes |
| has a touch screen | Yes | Yes |
| is designed for kids | No | No |
| waterproof depth rating | 50 m | 1.5 m |
| Watch band is replaceable | Yes | Yes |
| Has sapphire glass display | No | No |
| Ingress Protection (IP) rating | IP68 | IP68 |
| has branded damage-resistant glass | No | No |
| Battery | ||
| charge time | 1.2 hours | — |
| battery life | 0.75 days | 14 days |
| has wireless charging | Yes | Yes |
| has a removable battery | No | No |
| Has a solar power battery | No | No |
| has a rechargeable battery | Yes | Yes |
| battery life in power save mode | 36 hours | — |
| battery power | — | 300 mAh |
| Sensors | ||
| has GPS | Yes | No |
| has a compass | Yes | No |
| Has a barometer | Yes | No |
| has a gyroscope | Yes | No |
| Has a cadence sensor | No | No |
| has an accelerometer | Yes | Yes |
| Monitors perspiration | No | No |
| Has a heart rate monitor | Yes | Yes |
| Has a temperature sensor | Yes | No |
| Monitors blood oxygenation levels | Yes | Yes |
| Features | ||
| RAM | 1GB | — |
| release date | 2023-09-12 | 2025-04-21 |
| Has a stopwatch | Yes | Yes |
| Has smart alarm | No | No |
| warranty period | 1 years | 1 years |
| Has call control | Yes | Yes |
| Has silent alarm | Yes | Yes |
| has HRV tracking | Yes | — |
| internal storage | 64GB | — |
| measures VO2 max | Yes | — |
| Has notifications | Yes | Yes |
| Has ECG technology | Yes | No |
| Locates your phone | Yes | Yes |
| has a front camera | No | No |
| has fall detection | Yes | No |
| has voice commands | Yes | No |
| Acquires GPS faster | No | No |
| Has vibrating alerts | Yes | Yes |
| number of microphones | 1 | 1 |
| shows readiness level | No | — |
| Can be used to answer calls | Yes | Yes |
| measures resting heart rate | Yes | Yes |
| has irregular heart rate warnings | Yes | No |
| has fast/slow heart rate notifications | Yes | — |
| Has a built-in camera remote control function | Yes | Yes |
| Connectivity | ||
| has NFC | Yes | No |
| SIM cards | 1 eSIM | — |
| Wi-Fi version | Wi-Fi 4 (802.11n) | — |
| supports ANT+ | No | No |
| supports Wi-Fi | Yes | No |
| supports Galileo | Yes | No |
| Bluetooth version | 5.3 | 5.3 |
| has a cellular module | Yes | No |
| Is compatible with iOS | Yes | Yes |
| Is compatible with Android | No | Yes |
| Miscellaneous | ||
| has aptX | No | — |
| Has passcode | Yes | No |
| Has auto pause | Yes | — |
| has crash detection | Yes | — |
| Is compatible with Windows | No | No |
| Is compatible with Mac OS X | No | No |
| has an external memory slot | No | No |
| Compatible with smart scales | Yes | — |
| has a battery level indicator | Yes | Yes |
| has a socket for a 3.5 mm audio jack | No | No |
| Compatible with external heart rate monitors | Yes | Yes |
| App & Software | ||
| Ad-free | Yes | — |
| Free app | Yes | Yes |
| Has coaching | No | Yes |
| Has achievements | Yes | Yes |
| Has goal setting | Yes | Yes |
| Has exercise diary | Yes | Yes |
| Predicts ovulation | Yes | Yes |
| Can be personalised | Yes | Yes |
| Has weight tracking | Yes | Yes |
| Predicts start date | Yes | Yes |
| Tracks water intake | Yes | Yes |
| Has inactivity alerts | Yes | Yes |
| Has period notifications | Yes | Yes |
| Has temperature tracking | Yes | — |
| Provides activity reports | Yes | Yes |
| Counts how many calories you've burned | Yes | Yes |
| Supports routes | — | Yes |
| Doesn’t require account | — | No |
| Displays fertile window notifications | — | Yes |
| Activity tracking | ||
| Measures pace | Yes | No |
| Tracks distance | Yes | No |
| Tracks elevation | Yes | No |
| Designed for golf | No | No |
| Tracks your sleep | Yes | Yes |
| Tracks steps taken | Yes | Yes |
| Designed for diving | No | No |
| Has a route tracker | Yes | No |
| Has exercise tagging | Yes | Yes |
| Has multi-sport mode | Yes | No |
| Tracks calorie intake | Yes | Yes |
| Provides sleep reports | Yes | Yes |
| Detects activities automatically | Yes | Yes |
| Has a stroke counter for swimming | Yes | No |
Wrist Fit
Apple Watch Series 9 - 45mm
Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).
Xiaomi Redmi Watch Move
Sits best on wrists ~48–65mm wide (≈ 12.8–17.4cm circumference).
Frequently Asked Questions
Is the Apple Watch Series 9 - 45mm bigger than the Xiaomi Redmi Watch Move?
The Xiaomi Redmi Watch Move is bigger — 38.9mm vs 38mm case width.
Which fits a smaller wrist better, the Apple Watch Series 9 - 45mm or the Xiaomi Redmi Watch Move?
The Apple Watch Series 9 - 45mm suits wrists around 47–64mm wide, and the Xiaomi Redmi Watch Move around 48–65mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Apple Watch Series 9 - 45mm and Xiaomi Redmi Watch Move side by side at true scale?
Yes — the schematics and photos above show both watches at matched scale, and our fit tool overlays each on your wrist width.