Smartwatch comparison · 2 products
Apple Watch Ultra 3 vs Samsung Galaxy Watch8 Wi‑Fi 44mm
Key differences
- Works with iPhoneOnly Watch Ultra 3.Watch Ultra 3 Yes · Galaxy Watch8 44mm No
- Works with AndroidOnly Galaxy Watch8 44mm.Watch Ultra 3 No · Galaxy Watch8 44mm Yes
- Screen sizeWatch Ultra 3: 0.51″ largerWatch Ultra 3 1.98″ · Galaxy Watch8 44mm 1.47″
- Battery life (claimed)Galaxy Watch8 44mm: 0.25 days longer (14%)Watch Ultra 3 1.75 days · Galaxy Watch8 44mm 2 days
- Water depth ratingWatch Ultra 3: 50 m deeper (100%)Watch Ultra 3 100 m · Galaxy Watch8 44mm 50 m
- Cellular (LTE) modelOnly Watch Ultra 3.Watch Ultra 3 Yes · Galaxy Watch8 44mm No
What’s the same
- GPS Yes
- NFC payments Yes
- Bluetooth 5.3
Identical specs don’t help you choose, so “Differences only” hides them.
| Spec | Watch Ultra 3 | Galaxy Watch8 44mm | Difference |
|---|---|---|---|
| Works with iPhone | Yes | No | Only Watch Ultra 3 |
Why this matters. Most smartwatches only fully work with one phone platform. Check this first. | |||
| Works with Android | No | Yes | Only Galaxy Watch8 44mm |
| Cellular (LTE) model | Yes | No | Only Watch Ultra 3 |
| Spec | Watch Ultra 3 | Galaxy Watch8 44mm | Difference |
|---|---|---|---|
| Screen size | 1.98″ | 1.47″ | Watch Ultra 3 · 0.51″ larger |
| Resolution | 422 × 514 | 480 × 480 | Different |
| Pixel density | 326 ppi | 327 ppi | ≈ Within 1 ppi |
1 identical spec hidden in this section
| Spec | Watch Ultra 3 | Galaxy Watch8 44mm | Difference |
|---|---|---|---|
| Battery life (claimed) | 1.75 days | 2 daysLonger | Galaxy Watch8 44mm · 0.25 days longer (14%) |
Data note. Manufacturer claims with different test conditions. | |||
| Battery life (power saving) | 72 h | Not listed | Listed only for Watch Ultra 3 |
| Battery capacity | Not listed | 435 mAh | Listed only for Galaxy Watch8 44mm |
| Charge time | 1.5 h | Not listed | Listed only for Watch Ultra 3 |
| Spec | Watch Ultra 3 | Galaxy Watch8 44mm | Difference |
|---|---|---|---|
| Water depth rating | 100 m | 50 m | Watch Ultra 3 · 50 m deeper (100%) |
| ATM rating | 10 ATM | 5 ATM | Different |
| Spec | Watch Ultra 3 | Galaxy Watch8 44mm | Difference |
|---|---|---|---|
| GPS | Yes | Yes | Same |
| NFC payments | Yes | Yes | Same |
| Crash detection | Yes | Not listed | Listed only for Watch Ultra 3 |
| Bluetooth | 5.3 | 5.3 | Same |
3 identical specs hidden in this section
How this comparison works
Every product in a category uses the same fields and units. Rows highlight a difference. A direction label such as “Lighter” or “More” appears only on fields where DuelVS’s methodology defines which way is generally preferable. Nothing here declares an overall winner.
Questions, answered from the data
- How many specs are different between Watch Ultra 3 and Galaxy Watch8 44mm?
- Of 16 specs DuelVS lists for this comparison, 8 differ, 3 are identical, 1 are within a negligible margin and 4 are listed for only some of the products.
- Which works with iPhone?
- Watch Ultra 3 does; Galaxy Watch8 44mm doesn't.
- Which works with Android?
- Galaxy Watch8 44mm does; Watch Ultra 3 doesn't.
- Which lasts longer per charge?
- Galaxy Watch8 44mm: 2 days vs 1.75 days for Watch Ultra 3, 0.25 days longer.
- What do they have in common?
- GPS: Yes; NFC payments: Yes; Bluetooth: 5.3.