Samsung Galaxy Watch 8 (40mm) vs OnePlus Watch 3
The Samsung Galaxy Watch 8 (40mm) and the OnePlus Watch 3 are priced $29.01 apart — $299.99 versus $329 — close enough that the choice between them comes down to features, not budget.
The Samsung Galaxy Watch 8 (40mm) offers a 1.31" display, 2 days of typical battery life, built-in GPS, 5ATM+IP68 water resistance.
Global reference price
The OnePlus Watch 3 brings a 1.5" display, 16 days of typical battery life, built-in GPS to the table.
Global reference price
Specification Comparison
Key Differences
With 16 days of battery life against 2, the OnePlus Watch 3 demands far less charging upkeep than the Samsung Galaxy Watch 8 (40mm). Screen size also favors the OnePlus Watch 3, at 1.5" versus the Samsung Galaxy Watch 8 (40mm)'s 1.31", making it easier to read notifications and metrics at a glance.
Pros & Cons
Samsung Galaxy Watch 8 (40mm)
Pros
- Lower price
- Built-in GPS
Cons
- Shorter battery life (2 days)
- Smaller 1.31" display
OnePlus Watch 3
Pros
- Much longer battery life (16 days)
- Larger 1.5" display
- Built-in GPS
Cons
- Costs a bit more
Which One Is Right For You?
- Samsung Galaxy Watch 8 (40mm): Makes the most sense for anyone who wants to spend a little less.
- OnePlus Watch 3: Best for someone who wants to charge as infrequently as possible and prefers a larger, easier-to-read display.
Conclusion
Neither watch is a strict downgrade from the other — each wins on a different practical dimension, so the right pick depends on which of those matters more day to day.
Summary
Samsung Galaxy Watch 8 (40mm)
Strengths
- Lower price
- Built-in GPS
Weaknesses
- Shorter battery life (2 days)
- Smaller 1.31" display
OnePlus Watch 3
Strengths
- Much longer battery life (16 days)
- Larger 1.5" display
- Built-in GPS
Weaknesses
- Costs a bit more
There's no universal winner here — match the pick to whichever tradeoff (battery life, screen, or connectivity) actually applies to daily use.