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Redmi Note 10 vs Galaxy M21
Detailed specifications comparison between the Xiaomi Redmi Note 10 and the Samsung Galaxy M21.
| Release Date | March 16, 2021 | March 23, 2020 |
| Operating System | Android 11, upgradable to Android 12, MIUI 14, Android 11, upgradable to Android 12, MIUI 14 | Android 10, upgradable to Android 12, One UI 4.1 |
| Display Size | 6.43 inches | 6.4 inches |
| Display Type | Super AMOLED, 450 nits (typ), 1100 nits (peak) | Super AMOLED |
| Resolution | 1080 x 2280 pixels | 720 x 1600 pixels |
| Refresh Rate | 120Hz | 60Hz |
| Processor / Chipset | Qualcomm SDM678 Snapdragon 678 | Exynos 9611 |
| RAM | - | - |
| Internal Storage | - | - |
| Main Camera | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF | 48 MP, f/2.0, PDAF |
| Selfie Camera | 13 MP, f/2.5, (wide) | 13 MP / 8 MP |
| Battery Capacity | 5000 mAh | 6000 mAh |
| Charging Speed | 33W wired, 50% in 25 min, 100% in 74 min (advertised) | 15W wired |
| 5G Support | ||
| NFC | ||
| 3.5mm Jack |
Key differences: Redmi Note 10 vs Galaxy M21
- Galaxy M21 has the bigger battery (6,000 mAh vs 5,000 mAh on the Redmi Note 10).
- Redmi Note 10 has the faster wired charging (33W vs 15W on the Galaxy M21).
- Redmi Note 10 has the higher refresh rate (120Hz vs 60Hz on the Galaxy M21).
- Redmi Note 10 is the newer phone, released about 12 months later.
Generated from manufacturer specifications. Prices are reference launch prices in USD and vary by market.