Amazfit Active 2 vs Garmin Instinct E 40mm
Size, specs & wrist fit compared
Which one fits you
Under 15.5 cm (6.1 in) round, the Amazfit Active 2's lugs overhang and the Garmin Instinct E 40mm's do not; the Garmin Instinct E 40mm fills the wrist at 15–17 cm, the Amazfit Active 2 at 16.5–18.5 cm.
What else differs
- Screen: the Amazfit Active 2 uses a bright AMOLED screen, the Garmin Instinct E 40mm a memory-in-pixel screen that is easy to read in sunlight and sips battery.
- Battery: 14 days for the Garmin Instinct E 40mm against 10 days for the Amazfit Active 2 in everyday use; about 21 hours each with GPS on.
- Only the Amazfit Active 2 has a sapphire lens.
3.7mm thinner, the Amazfit Active 2 is the one that slides under a shirt cuff.
Among the 22 smartwatches 44mm across that we hold thickness for, the Amazfit Active 2 is thinner than 86%, so it wears flatter than its width suggests.
Among the 40 smartwatches 40mm across that we hold thickness for, the Garmin Instinct E 40mm is thicker than 98%, so it sits higher on the wrist than most of its size.
The Amazfit Active 2 is 3.9mm wider, 3.7mm thinner and 11.5g lighter than the Garmin Instinct E 40mm.
Amazfit
Active 2
Garmin
Instinct E 40mm
Amazfit Active 2 or Garmin Instinct E 40mm by wrist size
| Wrist round (mm left each side) | Amazfit Active 2≈50.5mm lug to lug, est. | Garmin Instinct E 40mm≈46mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (2.7mm over) | Overhangs (0.4mm over) |
| 15 cm / 5.9 in | Overhangs (1.1mm over) | Bold (1.2mm) |
| 16 cm / 6.3 in | Bold (0.6mm) | Sweet spot (2.8mm) |
| 17 cm / 6.7 in | Sweet spot (2.2mm) | Balanced (4.4mm) |
| 18 cm / 7.1 in | Sweet spot (3.8mm) | Balanced (6mm) |
| 19 cm / 7.5 in | Balanced (5.4mm) | Balanced (7.6mm) |
| 20 cm / 7.9 in | Balanced (7mm) | Balanced (9.3mm) |
Switch or add watches
Amazfit
Active 2
Garmin
Instinct E 40mm
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Battery life compared
Furthest apart in Battery saver mode, where the Garmin Instinct E 40mm lasts 1.8× as long as the Amazfit Active 2 (35 days against 19 days).
Amazfit Active 2Garmin Instinct E 40mm
Battery saver
19 days35 daysExpedition
—17 daysSmartwatch
10 days14 daysMax battery GPS
—43 hoursGPS only
21 hours21 hoursAll systems
—14 hours
More comparisons
2D Dimension Schematics
- Amazfit Active 2 43.9mm × ≈50.5mm (est.) · 9.9mm thick
- Garmin Instinct E 40mm 40mm × ≈46mm (est.) · 13.6mm thick
3D preview
Amazfit Active 2 vs Garmin Instinct E 40mm on a wrist
Specifications
The short version
6 key specs| Spec | AmazfitActive 2 | GarminInstinct E 40mm |
|---|---|---|
| Case Width | 43.9mm | 40mm |
| Thickness | 9.9mm | 13.6mm |
| Weight | 29.5g | 41g |
| Shape | Circular | Circular |
| Display type | OLED/AMOLED | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Released | 2025 | 2025 |