Looking for an honest Casio G-Shock GBM-2100 vs Xiaomi Redmi Watch 5 Active 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 Casio G-Shock GBM-2100 comes out ahead 49/100 to 26/100 — a 23-point gap. The widest gap is in battery life, where the Casio G-Shock GBM-2100 pulls noticeably ahead. On price the Xiaomi Redmi Watch 5 Active undercuts the Casio G-Shock GBM-2100 by 190% ($69 vs $200), which materially changes the value calculus for budget-conscious buyers.

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Casio G-Shock GBM-2100 clearly outperforms the Xiaomi Redmi Watch 5 Active in the smartwatches category, especially in battery life (300h vs 10h battery), scoring 49 vs 26. If you want the better overall smartwatches, Casio G-Shock GBM-2100 is the recommended choice.
Picking Casio G-Shock GBM-2100 over Xiaomi Redmi Watch 5 Active means trading these off.
Casio
$200
Scores are relative within the smartwatchescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Casio G-Shock GBM-2100W | Xiaomi Redmi Watch 5 Active |
|---|---|---|
| Display | 1.2" | 1.4"✓ |
| OS | — | MIUI Watch |
| ECG | — | false |
| Battery Life | 300hrs✓ | 10hrs |
| NFC | — | false |
| Weight | 51g | 50g✓ |
| Price | 200$ | 69$ |
Buy Casio G-Shock GBM-2100 if…
Buy the Casio G-Shock GBM-2100 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Xiaomi Redmi Watch 5 Active if…
Choose the Xiaomi Redmi Watch 5 Active if budget is your top priority — it offers competitive specs at a lower price point.
Casio G-Shock GBM-2100 clearly outperforms the Xiaomi Redmi Watch 5 Active in the smartwatches category, especially in battery life (300h vs 10h battery), scoring 49 vs 26. If you want the better overall smartwatches, Casio G-Shock GBM-2100 is the recommended choice.
Yes, Casio G-Shock GBM-2100 scores higher overall (49 vs 26).
Xiaomi Redmi Watch 5 Active is cheaper at $69 vs $200 for the Casio G-Shock GBM-2100.
Buy the Casio G-Shock GBM-2100 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Choose the Xiaomi Redmi Watch 5 Active if budget is your top priority — it offers competitive specs at a lower price point.
Casio G-Shock GBM-2100 lasts longer with 300 hours vs 10 hours for the other.
Xiaomi Redmi Watch 5 Active has the larger display (1.4" vs 1.2").
Reviewed by VersusMatrix Editorial Team
Last updated: May 10, 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.