Xiaomi S 4 vs Amazfit Active 2: which one suits you?
The two differ in 6 of the specs we have recorded (prices checked 6 Nov 2026).
Which one should you choose?
Choose the
Xiaomi S 4 if you care about:- Charge less often through the week (15 days vs 10 days)
- Larger display size: 1.43 in vs 1.32 in · slight difference
Choose the
Amazfit Active 2 if you care about:- Has built-in GPS; the other doesn't
- Lower weight: 29.5 g vs 45 g
The deciding difference here: battery life and built-in GPS.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Case size
46 mm44 mmDisplay size
✓ 1.43 in1.32 inBattery life
✓ 15 days10 days
Specifications side by side
11 of 11 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 678 | SAR 686 |
| Battery life | ✓ 15 days | 10 days |
| Built-in GPS | No | ✓ Yes |
| Case size | 46 mm | 44 mm |
| Display size | ✓ 1.43 in | 1.32 in |
| Weight | 45 g | ✓ 29.5 g |
| Display type | AMOLED | AMOLED |
| Water resistance | 5 ATM | 5 ATM |
| Heart-rate tracking | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Contactless payment (NFC) | Yes | Yes |
| Dimensions | 12×47.3×47.4 cm | 11.3 x 11.2 x 6.7 centimeters cm |
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Direct comparison questions
What is the difference in battery life between the Xiaomi S 4 and the Amazfit Active 2?
Battery life is higher on the Xiaomi S 4: 15 days vs 10 days on the Amazfit Active 2. If this spec is your priority, the difference favours it.
What is the difference in built-in GPS between the Xiaomi S 4 and the Amazfit Active 2?
Xiaomi S 4: No; Amazfit Active 2: Yes. This is a spec difference, not a verdict that one is better overall.
What is the difference in case size between the Xiaomi S 4 and the Amazfit Active 2?
Xiaomi S 4: 46 mm; Amazfit Active 2: 44 mm. A higher value is not necessarily better for you.
What is the difference in water resistance between the Xiaomi S 4 and the Amazfit Active 2?
No difference here: water resistance is 5 ATM on both.