In depth comparison and review of Samsung Galaxy S7 edge and Samsung Galaxy M31s. 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 S7 edge | Samsung Galaxy M31s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G935F | SM-M317F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 150.9 mm | 159.3 mm | Samsung Galaxy M31s has greater height than Samsung Galaxy S7 edge. |
| Width | 72.6 mm | 74.4 mm | Samsung Galaxy M31s has greater width than Samsung Galaxy S7 edge. |
| Depth | 7.7 mm | 9.3 mm | Samsung Galaxy S7 edge is narrower than Samsung Galaxy S7 edge. |
| Weight | 157 g | 203 g | Samsung Galaxy S7 edge is lighter than Samsung Galaxy S7 edge. |
| Body Colour | Blue | Silver | Gold | Black | White | Gold pink | Coral blue | Titanium silver | Pink/gold | Pink gold | Black onyx | Platinum gold | White pearl | Black | |
| Body Material | Metal, glass | - | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S7 edge is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 0.507 W/kg (body), 0.264 W/kg (head) | 1.365 W/kg (body), 0.756 W/kg (head) | |
| Integrated Components | Heart rate sensor | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B 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 | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Quad HD Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy M31s has larger screen size than Samsung Galaxy S7 edge. |
| Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 2400 x 1080 pixels | Samsung Galaxy S7 edge has better screen resolution than Samsung Galaxy M31s. |
| Display Format | QHD | Full HD+ | |
| Pixel Density | 534 ppi | - | |
| 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 |
| PROCESSOR | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Processor Type (CPU) | Samsung Exynos 8890 | - | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.3 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy S7 edge has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | - |
| MEMORY | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| RAM | 4 GB | 6 GB | Samsung Galaxy M31s has more RAM than Samsung Galaxy S7 edge. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy M31s has more internal memory than Samsung Galaxy S7 edge. |
| User Memory | 24.4 GB | 106.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 64 Megapixel | Samsung Galaxy M31s has better camera resolution than Samsung Galaxy S7 edge. |
| Lens Aperture | F/1.7 | F/1.8 | Samsung Galaxy S7 edge has better lens aperture than Samsung Galaxy S7 edge. |
| Field of View (FoV) | - | 81 degree(s) | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S7 edge has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Pro mode, wide selfie mode, Virtual Shot, HYPERLAPSE, Motion panorama | Slow motion video, Bokeh Mode, Live Focus mode | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) at 30 fps | 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 | |
| Camera Features (Functions) | Selective Focus, Dual Pixel technology, Motion photo, vDIS technology, Spotlight | Background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| 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) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Samsung Galaxy M31s has better front camera resolution than Samsung Galaxy S7 edge. |
| Sensor Type (Front) | CMOS | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.7 | F/2.2 | Samsung Galaxy S7 edge has better front lens aperture than Samsung Galaxy S7 edge. |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | Slow motion video, selfie panorama | - | |
| Light Source (Front) | Flash | - | |
| Camera Features (Front) | - | Live Focus |
| BATTERY AND CHARGING | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 6000 mAh | Samsung Galaxy M31s has larger battery capacity than Samsung Galaxy S7 edge. |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Super Fast Charging | Samsung Galaxy M31s has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S7 edge can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA | - | |
| Talk Time | 1620 minutes | 3060 minutes | Samsung Galaxy M31s has longer battery life when making calls than Samsung Galaxy S7 edge. |
| Run Time Details | Talk (WCDMA): up to 1620 min Active online usage (WCDMA): up to 12 hrs Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 18 hrs Playback (audio): up to 55 hrs Playback (audio (Always On Display Off)): up to 74 hrs |
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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | - | |
| User Interface | Samsung TouchWiz + EtiquEdge | One UI | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) | 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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, ANT+/ANT | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, DIP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | WhatsApp, Google+ Hangouts, SMS, MMS | - |
| MEDIA | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA | 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, H.264, H.263, M4V, WebM, 3G2, H.265 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| 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, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, Easy Mode, MIMO technology, Private Mode, Ultra Power Saving Mode, Screen mirroring, Dual Curved display, Alarm Clock | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing |
| OTHERS | Samsung Galaxy S7 edge | Samsung Galaxy M31s |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | - | |
| Max Depth of Water Resistance | 1.5 m | - |
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