Garmin Instinct E 45mm vs Lily 2 Active
Size, specs & wrist fit compared
Which one fits you
Under 16 cm (6.3 in) round, the Instinct E 45mm's lugs overhang and the Lily 2 Active's do not; the Lily 2 Active fills the wrist at 14–16 cm, the Instinct E 45mm at 17–19 cm.
What else differs
- Screen: the Instinct E 45mm uses a memory-in-pixel screen that is easy to read in sunlight and sips battery, the Lily 2 Active an LCD screen.
- Battery: 16 days for the Instinct E 45mm against 9 days for the Lily 2 Active in everyday use; 24 hours for the Instinct E 45mm against 9 hours for the Lily 2 Active with GPS on.
3.2mm thinner, the Lily 2 Active is the one that slides under a shirt cuff.
The Instinct E 45mm is 7mm wider, 3.2mm thicker and 19g heavier than the Lily 2 Active.
Instinct E 45mm
Lily 2 Active
Instinct E 45mm or Lily 2 Active by wrist size
| Wrist round (mm left each side) | Instinct E 45mm≈51.5mm lug to lug, est. | Lily 2 Active≈43.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (3.2mm over) | Bold (0.8mm) |
| 15 cm / 5.9 in | Overhangs (1.6mm over) | Sweet spot (2.4mm) |
| 16 cm / 6.3 in | Bold (0.1mm) | Balanced (4.1mm) |
| 17 cm / 6.7 in | Sweet spot (1.7mm) | Balanced (5.7mm) |
| 18 cm / 7.1 in | Sweet spot (3.3mm) | Balanced (7.3mm) |
| 19 cm / 7.5 in | Balanced (4.9mm) | Balanced (8.9mm) |
| 20 cm / 7.9 in | Balanced (6.5mm) | Understated (10.5mm) |
Switch or add watches
Garmin
Instinct E 45mm
Garmin
Lily 2 Active
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Battery life compared
Instinct E 45mmLily 2 Active
Battery saver
40 days—Expedition
20 days—Smartwatch
16 days9 daysMax battery GPS
50 hours—GPS only
24 hours9 hoursAll systems
16 hours—
More comparisons
2D Dimension Schematics
- Garmin Instinct E 45mm 45mm × ≈51.5mm (est.) · 14.2mm thick
- Garmin Lily 2 Active 38mm × ≈43.5mm (est.) · 11mm thick
3D preview
Instinct E 45mm vs Lily 2 Active on a wrist
Specifications
The short version
7 key specs| Spec | GarminInstinct E 45mm | GarminLily 2 Active |
|---|---|---|
| Case Width | 45mm | 38mm |
| Thickness | 14.2mm | 11mm |
| Weight | 48g | 29g |
| Shape | Circular | Circular |
| Display type | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) | Liquid Crystal |
| Battery life | Smartwatch: Up to 16 days Battery Saver Watch Mode: Up to 40 days GPS: Up to 24 hours All Satellite Systems:16 hours Max Battery GPS Mode: Up to 50 hours Expedition GPS Activity: Up to 20 days | Smartwatch Mode: Up to 9 days GPS Mode: 9 hours See Details |
| Released | 2025 | 2024 |
Where the specifications differ
9 differences| Spec | Garmin Instinct E 45mm | Garmin Lily 2 Active |
|---|---|---|
| General | ||
| Battery life | Smartwatch: Up to 16 days Battery Saver Watch Mode: Up to 40 days GPS: Up to 24 hours All Satellite Systems:16 hours Max Battery GPS Mode: Up to 50 hours Expedition GPS Activity: Up to 20 days | Smartwatch Mode: Up to 9 days GPS Mode: 9 hours See Details |
| Display Size | custom, two-window design; 0.9” x 0.9” (23 x 23 mm) | 1.00” x 0.84” (25.4 mm x 21.3 mm) |
| Case material | fiber-reinforced polymer | anodized aluminum |
| Memory/History | 128 MB | 7 timed activities; 14 days of activity tracking data |
| Display resolution | 176 x 176 pixels | 240 x 201 pixels |
| What You'll Love | ||
| Display type | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) | Liquid Crystal |
| Water rating | 10 ATM | Swim, 5 ATM |
| Pulse Ox blood oxygen | Yes | yes (spot-check and optionally in sleep) |
| Battery life (smartwatch mode) | Up to 16 days | Up to 9 days |
The other 4 specifications both list are identical.
Full Garmin Instinct E 45mm specifications →Full Garmin Lily 2 Active specifications →

