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› Samsung Galaxy A31 6GB/128GB versus Samsung Galaxy M21 6GB/128GB
Samsung Galaxy A31 versus Samsung Galaxy M21
Compare specifications, price, availability, ratings and shopping interest.
| Specification | Samsung Galaxy A31 6GB/128GB | Samsung Galaxy M21 6GB/128GB |
|---|---|---|
| Price | KSh 25,900 | KSh 25,400 |
| Sales | 0 - For Oct 2025 | 0 - For Oct 2025 |
| Average rating | 3.6 - 62 votes | 3.9 - 19 votes |
| Likes | 9 - For Oct 2025 | 7 - For Oct 2025 |
| Views | 3,841 - For Oct 2025 | 930 - For Oct 2025 |
| General | ||
| Available | March 2020 | March 2020 |
| Dimensions | 159.3 x 73.1 x 8.6 mm | 159 x 75.1 x 8.9 mm |
| Weight | 185 g | 188 g |
| Colors | Prism Crush Blue Prism Crush White Prism Crush 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, B2, B3, B5, B7, B8, B20; 4G TDD LTE: B38, B40, B41 | 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 | 48MP quad main camera 20MP selfie Fingerprint ID Fast charging USB Type C | 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; One UI 2.0 | Android 10; One UI 2.0 |
| GPU | - | Mali-G72 MP3 |
| Processor | 2.2 GHz Octa-core | 2.3 GHz Octa-core |
| Chipset | - | Exynos 9611 |
| Graphics processor | - | Mali-G72 MP3 |
| RAM | 6GB | 6GB LPDDR4x |
| Storage | 128GB | 128GB |
| Card slot | Dedicated MicroSD Up to 512GB | Dedicated MicroSD Up to 512GB |
| Battery | 5000mAh Li-Po | 6000mAh 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 | 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 | Game Booster Samsung Knox | Dolby Atmos audio |
| Display | ||
| Display size | 6.4 inches 1080 x 2400 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 On-Screen Fingerprint Sensor | Infinity-U 420 Nits Brightness Gorilla Glass 3 |
| Camera | ||
| Camera resolution | 48MP F2.0 + 8MP F2.2 + 5MP F2.4 + 5MP F2.4 | 48MP F2.0 + 8MP F2.2 + 5MP F2.2 |
| Camera features | 8x Digital Zoom 123-degree Ultra Wide 40mm Macro Bokeh Live Focus LED flash | 4x Digital Zoom 123-degree Ultra Wide Live Focus Scene Optimizer Night Mode Pro Mode 240fps HD Slow Motion LED flash |
| Video recording | Full HD 30fps | 4K 30fps |
| Front camera | ||
| Front camera resolution | 20MP F2.2 | 20MP F2.2 |
| Front camera features | Live Focus Bokeh | Fast Face Unlock HDR |
| Video recording | Full HD 30fps | Full HD 30fps |
| Sensors & connectivity | ||
| Sensors | Fingerprint Accelerometer Gyro Geomagnetic Light Virtual Proximity | Fingerprint Accelerometer Geomagnetic Virtual Light Sensing Gyro |
| Connectivity | USB Type-C USB 2.0 WiFi hotspot WiFi Direct Dual band WiFi GPS GLONASS BDS GALILEO 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 Smart Switch PC Sync | Wi-Fi 2.4 + 5GHz Bluetooth LE (Up to 2Mbps) |
