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› Samsung Galaxy A31 4GB/64GB versus Samsung Galaxy A21 3GB/32GB
Samsung Galaxy A31 versus Samsung Galaxy A21
Compare specifications, price, availability, ratings and shopping interest.
| Specification | Samsung Galaxy A31 4GB/64GB | Samsung Galaxy A21 3GB/32GB |
|---|---|---|
| Price | KSh 22,300 | KSh 23,300 |
| Sales | 0 - For Oct 2025 | 0 - For Oct 2025 |
| Average rating | 4.1 - 8 votes | 2.4 - 8 votes |
| Likes | 4 - For Oct 2025 | 2 - For Oct 2025 |
| Views | 441 - For Oct 2025 | 858 - For Oct 2025 |
| General | ||
| Available | March 2020 | March 2020 |
| Dimensions | 159.3 x 73.1 x 8.6 mm | - |
| Weight | 185 g | - |
| Colors | Prism Crush Blue Prism Crush White Prism Crush Black | Black |
| Network | 2G, 3G, 4G | 2G, 3G, 4G |
| Network features | 2G: 850, 900, 1800, 1900; 3G: B1, B2, B5, B8; 4G FDD LTE: B1, B2, B3, B5, B7, B8, B20; 4G TDD LTE: B38, B40, B41 | - |
| Key features | 48MP quad main camera 20MP selfie Fingerprint ID Fast charging USB Type C | 16MP quad main camera 4G Fast charging |
| Platform | ||
| Operating system | Android 10; One UI 2.0 | Android 10; One UI 2 |
| GPU | - | - |
| Processor | 2.2 GHz Octa-core | - |
| Chipset | - | - |
| Graphics processor | - | - |
| RAM | 4GB | 3GB |
| Storage | 64GB | 32GB |
| Card slot | Dedicated MicroSD Up to 512GB | Yes |
| Battery | 5000mAh Li-Po | 4000mAh Li-Po |
| Battery features | 15W Fast Charging Up to 20h LTE Internet Up to 20h Wi-Fi Internet Up to 22h Video Play Up to 97h Audio Play Up to 33h 4G LTE Talk Time | - |
| Platform features | Game Booster Samsung Knox | - |
| Display | ||
| Display size | 6.4 inches 1080 x 2400 pixels | 6.5 inches 720 x 1600 pixels |
| Display type | Super AMOLED screen 16M colors | Super AMOLED screen 16M colors |
| Pixel density | 411 ppi | 270 ppi |
| Display features | Infinity-U On-Screen Fingerprint Sensor | - |
| Camera | ||
| Camera resolution | 48MP F2.0 + 8MP F2.2 + 5MP F2.4 + 5MP F2.4 | 16MP + 8MP + 2MP + 2MP quad |
| Camera features | 8x Digital Zoom 123-degree Ultra Wide 40mm Macro Bokeh Live Focus LED flash | Face detection Geo tagging Autofocus Panorama Touch to focus HDR LED flash PDAF |
| Video recording | Full HD 30fps | 1080p 30fps |
| Front camera | ||
| Front camera resolution | 20MP F2.2 | 13MP |
| Front camera features | Live Focus Bokeh | - |
| Video recording | Full HD 30fps | 1080p 30fps |
| Sensors & connectivity | ||
| Sensors | Fingerprint Accelerometer Gyro Geomagnetic Light Virtual Proximity | Fingerprint Accelerometer Proximity Compass |
| Connectivity | USB Type-C USB 2.0 WiFi hotspot WiFi Direct Dual band WiFi GPS GLONASS BDS GALILEO Bluetooth 5.0 | USB Type C WiFi hotspot WiFi Direct GPS GLONASS BDS Bluetooth 5.0 |
| Connectivity features | Wi-Fi 2.4 + 5GHz Smart Switch PC Sync | - |
