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› Samsung Galaxy M31 8GB/128GB versus Samsung Galaxy M21 4GB/64GB
Samsung Galaxy M31 versus Samsung Galaxy M21
Compare specifications, price, availability, ratings and shopping interest.
| Specification | Samsung Galaxy M31 8GB/128GB | Samsung Galaxy M21 4GB/64GB |
|---|---|---|
| Price | KSh 27,900 | KSh 22,300 |
| Sales | 13 - For Nov 2025 | 7 - For Nov 2025 |
| Average rating | 3.5 - 15 votes | 3.7 - 15 votes |
| Likes | 1 - For Nov 2025 | 2 - For Nov 2025 |
| Views | 231 - For Nov 2025 | 343 - For Nov 2025 |
| General | ||
| Available | February 2020 | March 2020 |
| Dimensions | - | 159 x 75.1 x 8.9 mm |
| Weight | - | 188 g |
| Colors | Ocean Blue Space Black | Raven Black Midnight Blue |
| Network | 2G, 3G, 4G | 2G, 3G, 4G |
| Network features | - | 2G: 850, 900, 1800, 1900; 3G: B1, B2, B5, B8; 4G FDD LTE: B1, B3, B5, B7, B8, B20; 4G TDD LTE: B38, B40, B41 |
| Key features | Android 10 32MP selfie 4K video recording 4G Fingerprint ID USB Type-C Fast charging | Gorilla Glass 3 48MP triple main camera 4K video recording 20MP selfie Fingerprint ID Fast charging USB Type C 6000mAh battery |
| Platform | ||
| Operating system | Android 10.0; One UI 2.0 | Android 10; One UI 2.0 |
| GPU | Mali-G72 MP3 | Mali-G72 MP3 |
| Processor | 2.3 GHz Octa-core | 2.3 GHz Octa-core |
| Chipset | Exynos 9611 Octa | Exynos 9611 |
| Graphics processor | Mali-G72 MP3 | Mali-G72 MP3 |
| RAM | 8GB | 4GB LPDDR4x |
| Storage | 128GB | 64GB |
| Card slot | Yes | Dedicated MicroSD Up to 512GB |
| Battery | 6000mAh Li-Po | 6000mAh Li-Po |
| Battery features | - | 15W Fast Charging Up to 22h LTE Internet Up to 22h Wi-Fi Internet Up to 29h Video Play Up to 131h Audio Play Up to 49h 4G LTE Talk Time |
| Platform features | - | Dolby Atmos audio |
| Display | ||
| Display size | 6.4 inches 1080 x 2340 pixels | 6.4 inches 1080 x 2340 pixels |
| Display type | Super AMOLED screen 16M colors | Super AMOLED screen 16M colors |
| Pixel density | 411 ppi | 403 ppi |
| Display features | - | Infinity-U 420 Nits Brightness Gorilla Glass 3 |
| Camera | ||
| Camera resolution | 64MP + 8MP + 5MP + 5MP quad | 48MP F2.0 + 8MP F2.2 + 5MP F2.2 |
| Camera features | Face detection Geo tagging Autofocus Panorama Touch to focus HDR LED flash PDAF | 4x Digital Zoom 123-degree Ultra Wide Live Focus Scene Optimizer Night Mode Pro Mode 240fps HD Slow Motion LED flash |
| Video recording | 2160p 30fps | 4K 30fps |
| Front camera | ||
| Front camera resolution | 32MP | 20MP F2.2 |
| Front camera features | HDR | Fast Face Unlock HDR |
| Video recording | 1080p 30fps | Full HD 30fps |
| Sensors & connectivity | ||
| Sensors | Fingerprint Accelerometer Proximity Gyro Compass | Fingerprint Accelerometer Geomagnetic Virtual Light Sensing Gyro |
| Connectivity | USB 2.0 USB Type-C USB 2.0 WiFi hotspot Dual-band WiFi WiFi Direct GPS GLONASS BDS Bluetooth 5.0 | USB Type-C USB 2.0 WiFi hotspot WiFi Direct Dual band WiFi GPS GLONASS BDS Bluetooth 5.0 |
| Connectivity features | - | Wi-Fi 2.4 + 5GHz Bluetooth LE (Up to 2Mbps) |
