Amazfit Active vs Garmin Venu 4 45mm
Size, specs & wrist fit compared
Which one fits you
Under 16 cm (6.3 in) round, the Garmin Venu 4 45mm's lugs overhang and the Amazfit Active's do not; the Amazfit Active fills the wrist at 13–13 cm, the Garmin Venu 4 45mm at 17–19 cm.
What else differs
- Screen: the Amazfit Active has the larger screen, 1.75 in across against 1.4 in on the Garmin Venu 4 45mm.
- Battery: 14 days for the Amazfit Active against 12 days for the Garmin Venu 4 45mm in everyday use; 20 hours for the Garmin Venu 4 45mm against 16 hours for the Amazfit Active with GPS on.
- Only the Garmin Venu 4 45mm has an ECG app and contactless payments (NFC).
1.8mm thinner, the Amazfit Active is the one that slides under a shirt cuff.
The Garmin Venu 4 45mm is 2.6mm wider and 1.8mm thicker than the Amazfit Active.
Amazfit
Active
Garmin
Venu 4 45mm
Case width
42.4mm
45mm+2.6mm
Thickness
10.8mm
12.5mm+1.8mm
Amazfit Active or Garmin Venu 4 45mm by wrist size
| Wrist round (mm left each side) | Amazfit Active | Garmin Venu 4 45mm≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Balanced (4.6mm) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Balanced (6.2mm) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Understated (7.9mm) | Bold (0.1mm) |
| 17 cm / 6.7 in | Understated (9.5mm) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Understated (11.1mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Understated (12.7mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Understated (14.3mm) | Balanced (6.5mm) |
Switch or add watches
Amazfit
Active
Garmin
Venu 4 45mm
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Battery life compared
Amazfit ActiveGarmin Venu 4 45mm
Battery saver
30 days25 daysSmartwatch
14 days12 daysHeavy use
10 days—GPS only
16 hours20 hoursAll systems
—19 hoursAll systems + multi-band
—17 hoursAll systems with music
—9 hoursAll systems + multi-band with music
—9 hours
More comparisons
2D Dimension Schematics
- Amazfit Active 42.4mm × 35.9mm · 10.8mm thick
- Garmin Venu 4 45mm 45mm × ≈51.5mm (est.) · 12.5mm thick
3D preview
Amazfit Active vs Garmin Venu 4 45mm on a wrist
Specifications
The short version
6 key specs| Spec | AmazfitActive | GarminVenu 4 45mm |
|---|---|---|
| Case Width | 42.36mm | 45mm |
| Lug-to-Lug | 35.9mm | 45mm |
| Thickness | 10.75mm | 12.5mm |
| Shape | Rectangle | Circular |
| Display type | OLED/AMOLED | AMOLED (optional always-on mode) |
| Released | 2023 | 2025 |