Smartwatches · Samsung
Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5- Case size:
- 40 mm
- Display type:
- AMOLED
- Reference price:
- SAR 713
Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5 vs Xiaomi S 4: which one suits you?
The two differ in 3 of the specs we have recorded (prices checked 4 Nov 2026).
Which one should you choose?
- Has built-in GPS; the other doesn't
Choose the
Xiaomi S 4 if you care about:- Lower weight: 45 g vs 190 g
The deciding difference here: built-in GPS and weight.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Case size
40 mm46 mmBuilt-in GPS
✓ YesNoWeight
190 g✓ 45 g
Specifications side by side
14 of 14 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 713 | SAR 705 |
| Battery life | — | 15 days |
| Built-in GPS | ✓ Yes | No |
| Cellular (LTE/eSIM) | Yes | — |
| Phone compatibility | Android | — |
| Case size | 40 mm | 46 mm |
| Display size | — | 1.43 in |
| Water resistance | — | 5 ATM |
| Case material | Metal | — |
| Weight | 190 g | ✓ 45 g |
| Display type | AMOLED | AMOLED |
| Blood oxygen (SpO2) | — | Yes |
| Contactless payment (NFC) | — | Yes |
| Heart-rate tracking | Yes | Yes |
| Dimensions | — | 12×47.3×47.4 cm |
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Similar comparisons
Direct comparison questions
What is the difference in built-in GPS between the Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5 and the Xiaomi S 4?
Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5: Yes; Xiaomi S 4: No. This is a spec difference, not a verdict that one is better overall.
What is the difference in case size between the Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5 and the Xiaomi S 4?
Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5: 40 mm; Xiaomi S 4: 46 mm. A higher value is not necessarily better for you.
What is the difference in display type between the Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5 and the Xiaomi S 4?
No difference here: display type is AMOLED on both.
What is the difference in heart-rate tracking between the Samsung fb816f8d-1a15-4c67-b5f7-f72b7fb3dca5 and the Xiaomi S 4?
No difference here: heart-rate tracking is Yes on both.