In depth comparison and review of Samsung Galaxy Note7 and Samsung Galaxy A31. 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 Note7 | Samsung Galaxy A31 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | SM-N930F | SM-A315G/DS | |
Form Factor | Touch | Touch | |
Height | 153.5 mm | 159.3 mm | Samsung Galaxy A31 has greater height than Samsung Galaxy Note7. |
Width | 73.9 mm | 73.1 mm | Samsung Galaxy Note7 has greater width than Samsung Galaxy A31. |
Depth | 7.9 mm | 8.6 mm | Samsung Galaxy Note7 is narrower than Samsung Galaxy Note7. |
Weight | 169 g | 185 g | Samsung Galaxy Note7 is lighter than Samsung Galaxy Note7. |
Body Colour | Black onyx | Coral blue | Titanium silver | Prism crush black | |
Body Material | Gorilla glass | - | |
Protection | Dustproof, waterproof | - | |
Waterproof (Water-resistant) | Yes | - | Samsung Galaxy Note7 is waterproof. |
IP rating | IP68 | - | |
SAR Value | 0.67 W/kg (body), 0.55 W/kg (head) | 1.68 W/kg (body), 0.488 W/kg (head) | |
Integrated Components | Heart rate sensor | - | |
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 |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM |
DISPLAY | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Display Type | OLED display | OLED display | |
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Display Technology | Quad HD Super AMOLED | Super AMOLED | |
Screen Size (Display Size) | 5.7" | 6.4" | Samsung Galaxy A31 has larger screen size than Samsung Galaxy Note7. |
Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 2400 x 1080 pixels | Samsung Galaxy Note7 has better screen resolution than Samsung Galaxy A31. |
Display Format | QHD | Full HD+ | |
Pixel Density | 518 ppi | - | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Features | Always-on display | Night mode, Edge-to-Edge screen, Infinity U Display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
PROCESSOR | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Processor Type (CPU) | Samsung Exynos 8890 | - | |
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Clock Speed | 2.3 GHz | 2 GHz | Samsung Galaxy Note7 has higher clock speed than Samsung Galaxy A31. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Samsung Galaxy Note7 has 64-bit architecture. |
Graphics System (GPU) | Mali T880 MP12 | - |
MEMORY | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
User Memory | 52.4 GB | 46.2 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
CAMERA | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A31 has better camera resolution than Samsung Galaxy Note7. |
Lens Aperture | F/1.7 | F/2.0 | Samsung Galaxy Note7 has better lens aperture than Samsung Galaxy Note7. |
Field of View (FoV) | - | 80 degree(s) | |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Note7 has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Digital Zoom | - | 8x | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama | Depth bokeh | |
Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Note7 has face detection. |
Light Source | LED light | LED flash | |
Video Resolutions | 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Functions) | Dual Pixel technology, Phase Detect Auto-Focus (PDAF) | Live Focus |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 123 degree(s) | |
Minimum Focal Length (2nd Camera) | - | 40 mm | |
Camera Functions (2nd Camera) | - | Macro camera |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Camera Functions (3rd Camera) | - | Depth camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 5 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Camera Functions (4th Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 20 Megapixel | Samsung Galaxy A31 has better front camera resolution than Samsung Galaxy Note7. |
Sensor Type (Front) | CMOS | - | |
Lens Type (Front) | Wide-angle lens | - | |
Lens Aperture (Front) | F/1.7 | F/2.2 | Samsung Galaxy Note7 has better front lens aperture than Samsung Galaxy Note7. |
Focus Adjustment | - | Focus free | |
HDR Mode (Front) | Auto HDR mode | - |
BATTERY AND CHARGING | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Battery Capacity (Battery Size) | 3500 mAh | 5000 mAh | Samsung Galaxy A31 has larger battery capacity than Samsung Galaxy Note7. |
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Wireless Charging | Yes | - | Samsung Galaxy Note7 can be charged wirelessly. |
Talk Time | 1560 minutes | 1980 minutes | Samsung Galaxy A31 has longer battery life when making calls than Samsung Galaxy Note7. |
Run Time Details | Talk (WCDMA): up to 1560 min Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (audio): up to 54 hrs Playback (video): up to 18 hrs Playback (audio (Always On Display Off)): up to 75 hrs |
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 |
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Battery Technology | Lithium polymer | - |
CELLULAR | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 6.0.1 (Marshmallow) | Android 10 | |
User Interface | Samsung TouchWiz | One UI | |
Payment Technology | - | Samsung Pay | |
Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 | |
3G UMTS Frequency | - | 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 13, Band 17, Band 20, 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 700c, FDD 700b, FDD 800 DD, 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, PBAP, MAP, DIP, HOGP | - | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MP4 | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
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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 |
FEATURES | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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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 | |
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Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
Security Devices | Fingerprint reader, eye scan | Fingerprint reader (under display) | |
Additional Phone Features | TTY compatible, software updates FOTA (Firmware Over The Air), multitasking, S Pen multi-input, Noise Cancellation Technology, Multi Window, MIMO technology, Ultra Power Saving Mode, Wireless Emergency Alerts function, Alarm Clock, SideSync 3.1 | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing |
OTHERS | Samsung Galaxy Note7 | Samsung Galaxy A31 |
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Included Accessories | Stylus, headset, USB cable, power adapter, SIM card removal tool | Power adapter | |
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Compliant Standards | IP68, HAC (Hearing Aid Compatible) | - | |
Max Depth of Water Resistance | 1.5 m | - |