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› Samsung Galaxy M21 (2021) 6GB/128GB versus Xiaomi Redmi Note 15 4G, 6GB/128GB
Samsung Galaxy M21 (2021) versus Xiaomi Redmi Note 15 4G
Compare specifications, price, availability, ratings and shopping interest.
| Specification | Samsung Galaxy M21 (2021) 6GB/128GB | Xiaomi Redmi Note 15 4G, 6GB/128GB |
|---|---|---|
| Price | KSh 24,900 | KSh 24,800 |
| Sales | 18 - For Mar 2026 | 14 - For Mar 2026 |
| Average rating | 4.7 - 3 votes | 0 - |
| Likes | 5 - For Mar 2026 | 2 - For Mar 2026 |
| Views | 451 - For Mar 2026 | 431 - For Mar 2026 |
| General | ||
| Available | July 2021 | December 2025 |
| Dimensions | 159 x 75.1 x 9 mm | 164 x 75.4 x 7.9 mm |
| Weight | 192 g | 183.7 g |
| Colors | Arctic Blue Charcoal Black | Black Forest Green Glacier Blue Purple |
| Network | 2G, 3G, 4G | 2G, 3G, 4G |
| Network features | 2G: 850, 900, 1800, 1900; 3G: B1, B2, B5, B8; 4G FDD: B1, B3, B5, B7, B8, B20; 4G TDD: B38, B40, B41 | 2G: 850, 900, 1800, 1900; 3G: 800, 850, 900, 1700, 1900, 2100; 4G: B1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 |
| Key features | FHD+ Super AMOLED display 48MP triple main camera 20MP selfie camera 6000mAh battery power 4K video recording Fingerprint / face unlock | 120Hz curved AMOLED display 108MP main camera with PDAF IP64 dust and splash resistance 33W fast charging Up to 4 major Android upgrades Dual stereo speakers with Dolby Atmos |
| Platform | ||
| Operating system | Android 11; One UI 3.1 Core | Android 15 HyperOS 2 |
| GPU | Mali-G72 MP3 | Mali-G57 MC2 |
| Processor | 2.3 GHz Octa-core | 2.2 GHz Octa-core 6nm |
| Chipset | Exynos 9611 | MediaTek Helio G100 Ultra |
| Graphics processor | Mali-G72 MP3 | Mali-G57 MC2 |
| RAM | 6GB | 6GB LPDDR4X |
| Storage | 128GB | 128GB |
| Card slot | MicroSD Up To 512GB Dedicated Slot | MicroSD |
| Battery | 6000mAh Li-Po | 6000mAh |
| Battery features | 15W Fast Charging Up To 22h Wi-Fi / LTE Internet Up To 29h Video Playback Up To 49h LTE Talk Time Up To 121h Audio Playback | 33W Fast Charging 18W Reverse Charging |
| Platform features | - | IP64 Dust and Splash Resistant Dual Stereo Speakers Dolby Atmos Audio 24-bit Audio Hi-Res Audio Up to 4 Major Android Upgrades |
| Display | ||
| Display size | 6.4 Inches 1080 x 2340 Pixels | 6.77 Inches 1080 x 2392 Pixels |
| Display type | Super AMOLED Screen 16M Colors | AMOLED Screen 68B Colors |
| Pixel density | 403 ppi | 388 ppi |
| Display features | Infinity-U | 120Hz Refresh Rate 3200 Nits Peak Brightness Always-on Display Up to 240Hz Touch Sampling Rate 3840Hz PWM |
| Camera | ||
| Camera resolution | 48MP F2.0 + 8MP F2.2 + 5MP F2.2 | 108MP F1.7 + Aux |
| Camera features | 123-degree Ultra Wide Angle Bokeh Portrait LED Flash | 108MP Wide / PDAF Night / Portrait / HDR / Panorama LED Flash |
| Video recording | 4K 30fps Full HD 30fps 240fps Slow Motion @HD | 1080p 60/30fps Time-lapse |
| Front camera | ||
| Front camera resolution | 20MP F2.2 | 20MP F2.2 |
| Front camera features | Bokeh | HDR / Panorama AI Beauty Face Unlock |
| Video recording | Full HD 30fps | 1080p 30fps Time-lapse |
| Sensors & connectivity | ||
| Sensors | Fingerprint Accelerometer Proximity Gyro Compass Ambient Light | Fingerprint Ambient Light Accelerometer Proximity Compass Gyro |
| Connectivity | USB Type-C 2.0 Wi-Fi Hotspot Wi-Fi Direct Dual-band Wi-Fi GPS GLONASS BDS GALILEO Bluetooth 5.0 | USB Type-C 2.0 / OTG Wi-Fi Hotspot / Wi-Fi Direct / Dual-band Wi-Fi GPS / GLONASS / GALILEO / BDS / QZSS Bluetooth 5.3 NFC |
| Connectivity features | - | - |