Detailed comparison and review of Samsung Galaxy M20 and Samsung Galaxy A31. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-M205F/DS | SM-A315G/DS | |
| Form Factor | Touch | Touch | |
| Height | 156.4 mm | 159.3 mm | Samsung Galaxy A31 has greater height than Samsung Galaxy M20. |
| Width | 74.5 mm | 73.1 mm | Samsung Galaxy M20 has greater width than Samsung Galaxy A31. |
| Depth | 8.8 mm | 8.6 mm | Samsung Galaxy A31 is narrower than Samsung Galaxy M20. |
| Weight | 186 g | 185 g | Samsung Galaxy A31 is lighter than Samsung Galaxy M20. |
| Body Colour | Charcoal black | Ocean blue | Prism crush black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.273 W/kg (head) | 1.68 W/kg (body), 0.488 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | TFT | Super AMOLED | |
| Screen Size (Display Size) | 6.3" | 6.4" | Samsung Galaxy A31 has larger screen size than Samsung Galaxy M20. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A31 has better screen resolution than Samsung Galaxy M20. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 409 ppi | - | |
| Aspect Ratio | 19.5:9 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Edge-to-Edge screen, Infinity V Display | Night mode, Edge-to-Edge screen, Infinity U Display |
| PROCESSOR | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Processor Type (CPU) | Samsung Exynos | - | |
|---|---|---|---|
| Processor Number | 7904 | - | |
| Clock Speed | 1.8 GHz | 2 GHz | Samsung Galaxy A31 has higher clock speed than Samsung Galaxy M20. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali-G71 MP2 | - |
| MEMORY | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A31 has more RAM than Samsung Galaxy M20. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Samsung Galaxy A31 has more internal memory than Samsung Galaxy M20. |
| User Memory | 21.8 GB | 46.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Samsung Galaxy A31 has better camera resolution than Samsung Galaxy M20. |
| Lens Aperture | F/1.9 | F/2.0 | Samsung Galaxy M20 has better lens aperture than Samsung Galaxy M20. |
| Field of View (FoV) | - | 80 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Camera Modes | Live Focus mode | Depth bokeh | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Samsung Galaxy A31 has better second camera resolution than Samsung Galaxy M20. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 120 degree(s) | 123 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than Samsung Galaxy M20. |
| Minimum Focal Length (2nd Camera) | - | 40 mm | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Samsung Galaxy A31 has better front camera resolution than Samsung Galaxy M20. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy M20 has better front lens aperture than Samsung Galaxy M20. |
| Focus Adjustment | Focus free | Focus free | |
| Camera Modes (Front) | Portrait mode | - | |
| Light Source (Front) | Display flash | - |
| BATTERY AND CHARGING | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Talk Time | 1740 minutes | 1980 minutes | Samsung Galaxy A31 has longer battery life when making calls than Samsung Galaxy M20. |
| Run Time Details | Active online usage (3G): up to 15 hrs Active online usage (LTE): up to 17 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 17 hrs Playback (audio): up to 101 hrs Talk (3G): up to 1740 min |
Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 22 hrs Playback (audio): up to 97 hrs Talk (LTE): up to 1980 min |
| CELLULAR | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 10 | |
| User Interface | Samsung Experience 9.5 | One UI | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Samsung Galaxy A31 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Face Unlock, Alarm Clock, Fast Charging, Virtual Light Sensing | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing |
| OTHERS | Samsung Galaxy M20 | Samsung Galaxy A31 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | Widevine L1 Certification | - |
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