Apple Watch Series 9 - 45mm vs Garmin Lily 2 Active
Size, specs & wrist fit compared
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Which one fits you
On wrists narrower than about 47mm, the Garmin Lily 2 Active is the safer pick — it stays proportionate down to roughly 40mm, where the Apple Watch Series 9 - 45mm starts to hang over the edge. Above 47mm both sit cleanly, and the Apple Watch Series 9 - 45mm gives you more presence.
The Apple Watch Series 9 - 45mm and Garmin Lily 2 Active share a near-identical 38mm case, so wrist presence comes down to thickness, lug-to-lug and weight.
On the wrist the Garmin Lily 2 Active feels lighter (29g vs 38.8g, case only).
Both are middle-of-the-pack for thickness among the 38mm watches in the database.
The Apple Watch Series 9 - 45mm is 7mm longer, 0.3mm thinner and 9.8g heavier than the Garmin Lily 2 Active.
Apple
Watch Series 9 - 45mm
Garmin
Lily 2 Active
Switch or add watches
Apple
Watch Series 9 - 45mm
Garmin
Lily 2 Active
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
- Garmin Lily 2 Active38mm · 11mm thick
3D preview
Apple Watch Series 9 - 45mm vs Garmin Lily 2 Active 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 Garmin Lily 2 Active lasts 12.0× as long as the Apple Watch Series 9 - 45mm (9 days against 18 hours).
Apple Watch Series 9 - 45mmGarmin Lily 2 Active
Smartwatch
0.75 days9 daysBattery Saver
36 hours—
Specifications
The short version
11 key specs| Spec | AppleWatch Series 9 - 45mm | GarminLily 2 Active |
|---|---|---|
| Case Width | 38mm | 38mm |
| Lug-to-Lug | 45mm | 38mm |
| Thickness | 10.7mm | 11mm |
| Weight | 38.8g | 29g |
| Shape | Rectangle | Circular |
| Water Resistance | Waterproof | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | LCD |
| Screen size | 1.9 inches | 1 inches |
| Battery life | 0.75 days | 9 days |
| Released | 2023 | 2024 |
Every specification
125 specs| Spec | Apple Watch Series 9 - 45mm | Garmin Lily 2 Active |
|---|---|---|
| Design | ||
| width | 38 | 38 |
| height | 45 | 38 |
| volume | 18.3 cm³ | 15.88 cm³ |
| weight | 38.8 g | 29 g |
| thickness | 10.7 | 11 |
| resolution | 396 x 484 px | 201 x 240 px |
| screen size | 1.9 inches | 1 inches |
| Display type | OLED/AMOLED | LCD |
| Has a display | Yes | Yes |
| pixel density | 329 ppi | 204 ppi |
| water resistance | Waterproof | Water resistant |
| Always-On Display | Yes | Yes |
| has a touch screen | Yes | Yes |
| is designed for kids | No | No |
| waterproof depth rating | 50 m | — |
| Watch band is replaceable | Yes | Yes |
| Has sapphire glass display | No | No |
| Ingress Protection (IP) rating | IP68 | — |
| has branded damage-resistant glass | No | Yes |
| ATM rating | — | 5 ATM |
| width of band | — | 14 mm |
| Gorilla Glass version | — | Gorilla Glass 3 |
| Battery | ||
| charge time | 1.2 hours | — |
| battery life | 0.75 days | 9 days |
| has wireless charging | Yes | No |
| 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 | — |
| Sensors | ||
| has GPS | Yes | Yes |
| 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 | 2024-10-04 |
| Has a stopwatch | Yes | Yes |
| Has smart alarm | No | No |
| warranty period | 1 years | 2 years |
| Has call control | Yes | Yes |
| Has silent alarm | Yes | Yes |
| has HRV tracking | Yes | Yes |
| internal storage | 64GB | — |
| measures VO2 max | Yes | Yes |
| Has notifications | Yes | Yes |
| Has ECG technology | Yes | No |
| Locates your phone | Yes | Yes |
| has a front camera | 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 | — |
| shows readiness level | No | No |
| Can be used to answer calls | Yes | No |
| measures resting heart rate | Yes | Yes |
| has irregular heart rate warnings | Yes | No |
| has fast/slow heart rate notifications | Yes | Yes |
| Has a built-in camera remote control function | Yes | No |
| Connectivity | ||
| has NFC | Yes | Yes |
| SIM cards | 1 eSIM | — |
| Wi-Fi version | Wi-Fi 4 (802.11n) | — |
| supports ANT+ | No | Yes |
| supports Wi-Fi | Yes | No |
| supports Galileo | Yes | Yes |
| Bluetooth version | 5.3 | 5 |
| 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 | — |
| Has auto pause | Yes | Yes |
| has crash detection | Yes | — |
| Is compatible with Windows | No | Yes |
| Is compatible with Mac OS X | No | Yes |
| has an external memory slot | No | No |
| Compatible with smart scales | Yes | 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 |
| Available on PC | — | Yes |
| Has a wind speed sensor | — | No |
| Provides the sunrise/sunset time | — | No |
| Informs about the risk of thunderstorms | — | No |
| App & Software | ||
| Ad-free | Yes | 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 | No |
| Provides activity reports | Yes | Yes |
| Counts how many calories you've burned | Yes | Yes |
| Tracks BMI | — | Yes |
| Includes maps | — | Yes |
| Supports routes | — | Yes |
| Has live tracking | — | 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).
Garmin Lily 2 Active
Sits best on wrists ~40–54mm wide (≈ 10.7–14.4cm circumference).
Frequently Asked Questions
Is the Apple Watch Series 9 - 45mm bigger than the Garmin Lily 2 Active?
Both have a 38mm case. Compare their thickness and lug-to-lug above to judge wrist presence.
Which fits a smaller wrist better, the Apple Watch Series 9 - 45mm or the Garmin Lily 2 Active?
The Apple Watch Series 9 - 45mm suits wrists around 47–64mm wide, and the Garmin Lily 2 Active around 40–54mm. 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 Garmin Lily 2 Active 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.