Looking for an honest Fitbit Versa 3 Watch vs Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery comparison in 2026? We scored both smartwatches on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery comes out ahead 40/100 to 63/100 — a 23-point gap. The widest gap is in battery life, where the Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery pulls noticeably ahead. On price the Fitbit Versa 3 Watch undercuts the Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery by 16% ($99 vs $115), which materially changes the value calculus for budget-conscious buyers.
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Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery clearly outperforms the Fitbit Versa 3 Watch in the smartwatches category, especially in battery life (480mAh vs 311mAh), scoring 63 vs 40. If you want the better overall smartwatches, Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery is the recommended choice.
Fitbit
$99
Kospet
$115
Picking Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery over Fitbit Versa 3 Watch means trading these off.
Scores are relative within the smartwatchescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Fitbit Versa 3 Watch | Kospet TANK M3 For Men Smart Watches Women 480mAh Long BatteryW |
|---|---|---|
| Display | 1.58"✓ | 1.39" |
| Display Type | AMOLED | AMOLED |
| Resolution | 336 x 336 pixels | 454 x 454 pixels |
| OS | Fitbit OS | Wear OS |
| Heart Rate | Optical HR 24/7 | Optical HR 24/7 |
| SpO2 | Yes (blood oxygen) | Yes (blood oxygen) |
| ECG | true | — |
| GPS | Yes | Yes |
| Workout Modes | 20+ | Multiple sports modes |
| Swim Proof | 50m water resistance | IP68 |
| Battery Life | 144hrs | 480hrs✓ |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 |
| NFC | true | — |
| Case Material | Aluminium | Stainless Steel |
| Water Resistance | IP68 | IP68 |
| Weight | 40g✓ | 70g |
| Price | 99$✓ | 115$ |
Buy Fitbit Versa 3 Watch if…
The Fitbit Versa 3 Watch is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery if…
Buy the Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery clearly outperforms the Fitbit Versa 3 Watch in the smartwatches category, especially in battery life (480mAh vs 311mAh), scoring 63 vs 40. If you want the better overall smartwatches, Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery is the recommended choice.
No, Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery scores higher (54 vs 65).
Fitbit Versa 3 Watch is cheaper at $99 vs $115 for the Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery.
The Fitbit Versa 3 Watch is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery has a larger battery (480mAh vs 311mAh for the Fitbit Versa 3 Watch), which generally means longer use between charges.
Kospet TANK M3 For Men Smart Watches Women 480mAh Long Battery lasts longer with 480 hours vs 144 hours for the other.
Fitbit Versa 3 Watch has the larger display (1.58" vs 1.39").
Fitbit Versa 3 Watch is lighter at 40g vs 70g.
Reviewed by VersusMatrix Editorial Team
Last updated: May 21, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.