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Amazfit Active Max clearly outperforms the Casio G-Shock GBM-2100 in the smartwatches category, especially in battery life (600h vs 300h battery), scoring 69 vs 49. If you want the better overall smartwatches, Amazfit Active Max is the recommended choice.
Picking Amazfit Active Max over Casio G-Shock GBM-2100 means trading these off.
Nothing meaningful — Amazfit Active Max matches or beats Casio G-Shock GBM-2100 on every measured spec.
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
| Spec | Amazfit Active MaxW | Casio G-Shock GBM-2100 |
|---|---|---|
| Display | 1.5"✓ | 1.2" |
| Display Type | AMOLED | — |
| OS | proprietary | — |
| Heart Rate | Optical HR 24/7 | — |
| SpO2 | true | — |
| ECG | true | — |
| GPS | Yes | — |
| Workout Modes | 90+ | — |
| Swim Proof | 5 ATM water resistance | — |
| Battery Life | 600hrs✓ | 300hrs |
| Bluetooth | Bluetooth 5.0 | — |
| NFC | true | — |
| Case Material | Aluminium | — |
| Water Resistance | IP68 | — |
| Weight | 45g✓ | 51g |
| Price | 169.99$✓ | 200$ |
Buy Amazfit Active Max if…
Buy the Amazfit Active Max if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Casio G-Shock GBM-2100 if…
The Casio G-Shock GBM-2100 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Amazfit Active Max clearly outperforms the Casio G-Shock GBM-2100 in the smartwatches category, especially in battery life (600h vs 300h battery), scoring 69 vs 49. If you want the better overall smartwatches, Amazfit Active Max is the recommended choice.
Yes, Amazfit Active Max scores higher overall (79 vs 44).
Amazfit Active Max is cheaper at $169.99 vs $200 for the Casio G-Shock GBM-2100.
Buy the Amazfit Active Max if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Casio G-Shock GBM-2100 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Amazfit Active Max lasts longer with 600 hours vs 300 hours for the other.
Amazfit Active Max has the larger display (1.5" vs 1.2").
Amazfit Active Max is lighter at 45g vs 51g.
Reviewed by VersusMatrix Editorial Team
Last updated: April 28, 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.