In depth comparison and review of Samsung Galaxy M31s and Samsung Galaxy M12. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-M317F/DSN | SM-M127F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 164 mm | Samsung Galaxy M12 has greater height than Samsung Galaxy M31s. |
| Width | 74.4 mm | 75.9 mm | Samsung Galaxy M12 has greater width than Samsung Galaxy M31s. |
| Depth | 9.3 mm | 9.7 mm | Samsung Galaxy M31s is narrower than Samsung Galaxy M31s. |
| Weight | 203 g | 214 g | Samsung Galaxy M31s is lighter than Samsung Galaxy M31s. |
| Body Colour | Black | Black | Green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.365 W/kg (body), 0.756 W/kg (head) | 1.388 W/kg (body), 1.83 W/kg (limb), 0.539 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 M31s | Samsung Galaxy M12 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | PLS TFT | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy M31s has better screen resolution than Samsung Galaxy M12. |
| Display Format | Full HD+ | HD+ | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Night mode, Edge-to-Edge screen, Infinity O display | Infinity V Display, Dark mode |
| PROCESSOR | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Clock Speed | 2.3 GHz | 2 GHz | Samsung Galaxy M31s has higher clock speed than Samsung Galaxy M12. |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| RAM | 6 GB | 4 GB | Samsung Galaxy M31s has more RAM than Samsung Galaxy M12. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy M31s has more internal memory than Samsung Galaxy M12. |
| User Memory | 106.5 GB | 48.1 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 48 Megapixel | Samsung Galaxy M31s has better camera resolution than Samsung Galaxy M12. |
| Lens Aperture | F/1.8 | F/2.0 | Samsung Galaxy M31s has better lens aperture than Samsung Galaxy M31s. |
| Field of View (FoV) | 81 degree(s) | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 10x | 10x | Both phones have the same digital zoom. |
| Special Effects | - | Bokeh effect | |
| Camera Modes | Slow motion video, Bokeh Mode, Live Focus mode | Portrait mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Background blur | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 5 Megapixel | Samsung Galaxy M31s has better second camera resolution than Samsung Galaxy M12. |
|---|---|---|---|
| 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) | 123 degree(s) | 123 degree(s) | Both phones have the same second camera lens field of view. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy M31s has higher resolution third camera than Samsung Galaxy M12. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Camera Functions (3rd Camera) | Depth camera | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy M31s has higher resolution fourth camera than Samsung Galaxy M12. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Camera Functions (4th Camera) | Macro camera | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 8 Megapixel | Samsung Galaxy M31s has better front camera resolution than Samsung Galaxy M12. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | - | Bokeh effect | |
| Camera Features (Front) | Live Focus | - |
| BATTERY AND CHARGING | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Battery Capacity (Battery Size) | 6000 mAh | 5000 mAh | Samsung Galaxy M31s has larger battery capacity than Samsung Galaxy M12. |
|---|---|---|---|
| Fast Charging Technology | Samsung Super Fast Charging | Adaptive Fast Charging | Both phones have fast charging technology. |
| Talk Time | 3060 minutes | 2940 minutes | Samsung Galaxy M31s has longer battery life when making calls than Samsung Galaxy M12. |
| Run Time Details | Active online usage (LTE): up to 22 hrs Active online usage (Wi-Fi): up to 22 hrs Playback (video): up to 27 hrs Playback (audio): up to 125 hrs Talk (4G): up to 3060 min |
Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 19 hrs Playback (audio): up to 92 hrs Talk (4G): up to 2940 min |
| CELLULAR | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| User Interface | One UI | One UI | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | 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 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| 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, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing | Samsung KNOX, Virtual Light Sensing, Virtual Proximity Sensing |
| OTHERS | Samsung Galaxy M31s | Samsung Galaxy M12 |
|---|
| Included Accessories | Power adapter | - |
|---|
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