Side-by-side technical data
Samsung Galaxy A31 vs Samsung Galaxy M21s
Comparison between Samsung Galaxy A31 and Samsung Galaxy M21s: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
The verdict
Neither runs away with it: each wins something.
| Category | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Design & display | 6.8 | 6.1 |
| Performance & hardware | 3.0 | 3.0 |
| Camera | 4.9 | 5.5 |
| Connectivity | 5.8 | 5.3 |
| Battery & charging | 5.3 | 5.9 |
Which one is for you?
Samsung Galaxy A31, if you care about…
- RAM Capacity
- 8 GB
- against 6 GB
- Weight
- 185 g
- against 191 g
- Body Thickness
- 8.6 mm
- against 8.9 mm
- Microphone Count
- 2
- against 1
Samsung Galaxy M21s, if you care about…
- Battery Capacity
- 6,000 mAh
- against 5,000 mAh
- AnTuTu Score
- 186,200
- against 151,815
- Max. download speed
- 600 Mbps
- against 300 Mbps
Specification comparison
Performance
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Processor Model | MediaTek Helio P65 | Samsung Exynos 9611 |
| Processor Process Size | 12 nm | 10 nm Best value |
| Graphics GPU | Mali-G52 MC2 | Mali-G72 MP3 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2.3 GHz Best value |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 151,815 | 186,200 Best value |
| Geekbench 6 Single-Core | 422 | — |
| Geekbench 6 Multi-Core | 1,261 | — |
| CPU Description | Octa-core processor with 2x Cortex-A75 at 2.0 GHz and 6x Cortex-A55 at 1.7 GHz. | Octa-core (4x2.3 GHz Cortex-A73 and 4x1.7 GHz Cortex-A53) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB Best value | 6 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | v8 |
Design
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Body Colors | Black, Blue, Red, White | Blue, Black |
| Body Thickness | 8.6 mm Best value | 8.9 mm |
| Body Width | 73.1 mm | 75.1 mm |
| Body Height | 159.3 mm | 159.2 mm |
| Weight | 185 g Best value | 191 g |
| Usable Surface | 84.9 % Best value | 84.1 % |
| Body Materials | Plastic | Glass, Plastic |
Battery
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Battery Capacity | 5,000 mAh | 6,000 mAh Best value |
| Battery Type | Li-Po | Li-Polymer |
| Fast Charge Power | 15 W | 15 W |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable |
Display
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | Super AMOLED | Super AMOLED |
| Peak Display Brightness | — | 420 nits |
| Display Diagonal | 6.4″ | 6.4″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px Best value | 2,340 px |
| Display Pixel Density | 411 ppi Best value | 403 ppi |
| Display Refresh Rate | 60 Hz | 60 Hz |
| Display Features | Water Drop Notch, Scratch Resistant, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Gorilla Glass 3, Always-On Display, Touchscreen | Gorilla Glass 3, AMOLED, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless, Always-On Display, Touchscreen |
Sensors
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Rear |
Sensor
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Hall Sensor, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| OS Update Support | 2 years | 2 years |
| Google Services | Yes | Yes |
| Widevine L1 | Yes | — |
Connectivity
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, MIMO |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo, BeiDou | GPS, A-GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, Virtual Proximity Sensing, NFC, FM Radio, USB Type-C, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage | USB Charging, USB Mass Storage, USB OTG, USB Type-C, FM Radio, Computer Sync, OTA Sync, Tethering, 3.5 mm Audio Jack |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | 0.38 W/kg |
| SAR (EU) head | 0.49 W/kg | 0.48 W/kg Best value |
| SAR (EU) body | 1.68 W/kg | 1.13 W/kg Best value |
| Max. download speed | 300 Mbps | 600 Mbps Best value |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Microphone Count | 2 Best value | 1 |
| Audio Features | A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, HOGP, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | Galaxy A31 | Galaxy M21s |
|---|---|---|
| Model numbers | SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N | SM-F415F, SM-F415F/DS |
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