In depth comparison and review of Samsung Galaxy A90 5G 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 A90 5G | Samsung Galaxy M31s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A908B | SM-M317F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 164.8 mm | 159.3 mm | Samsung Galaxy A90 5G has greater height than Samsung Galaxy M31s. |
| Width | 76.4 mm | 74.4 mm | Samsung Galaxy A90 5G has greater width than Samsung Galaxy M31s. |
| Depth | 8.4 mm | 9.3 mm | Samsung Galaxy A90 5G is narrower than Samsung Galaxy A90 5G. |
| Weight | 206 g | 203 g | Samsung Galaxy M31s is lighter than Samsung Galaxy A90 5G. |
| Body Colour | White | Black | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.547 W/kg (body), 0.377 W/kg (head) | 1.365 W/kg (body), 0.756 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C | 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 A90 5G | Samsung Galaxy M31s |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 6.7" | 6.5" | Samsung Galaxy A90 5G has larger screen size than Samsung Galaxy M31s. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Edge-to-Edge screen, Infinity U Display | Night mode, Edge-to-Edge screen, Infinity O display |
| PROCESSOR | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| Clock Speed | 2.8 GHz | 2.3 GHz | Samsung Galaxy A90 5G has higher clock speed than Samsung Galaxy M31s. |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy A90 5G has 64-bit architecture. |
| MEMORY | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| RAM | 6 GB | 6 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 106.4 GB | 106.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 64 Megapixel | Samsung Galaxy M31s has better camera resolution than Samsung Galaxy A90 5G. |
| Lens Aperture | F/2.0 | F/1.8 | Samsung Galaxy M31s has better lens aperture than Samsung Galaxy A90 5G. |
| Field of View (FoV) | - | 81 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 10x | Samsung Galaxy M31s has better digital zoom than Samsung Galaxy A90 5G. |
| Camera Modes | - | Slow motion video, Bokeh Mode, Live Focus 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 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) | Live Focus, Super steady | Background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 12 Megapixel | Samsung Galaxy M31s has better second camera resolution than Samsung Galaxy A90 5G. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | 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) | |
| Camera Functions (2nd Camera) | Depth camera | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 5 Megapixel | Samsung Galaxy A90 5G has higher resolution third camera than Samsung Galaxy M31s. |
|---|---|---|---|
| Lens Type (3rd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A90 5G has better third camera lens aperture than Samsung Galaxy A90 5G. |
| Field of View (3rd Camera) | 123 degree(s) | - | |
| 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) | 32 Megapixel | 32 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy A90 5G has better front lens aperture than Samsung Galaxy A90 5G. |
| Focus Adjustment | Focus free | Focus free | |
| Camera Modes (Front) | Selfie focus | - | |
| Camera Features (Front) | - | Live Focus |
| BATTERY AND CHARGING | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 6000 mAh | Samsung Galaxy M31s has larger battery capacity than Samsung Galaxy A90 5G. |
|---|---|---|---|
| Fast Charging Technology | Samsung Super Fast Charging | Samsung Super Fast Charging | Both phones have fast charging technology. |
| Talk Time | 3240 minutes | 3060 minutes | Samsung Galaxy A90 5G has longer battery life when making calls than Samsung Galaxy M31s. |
| Run Time Details | Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (wireless video): up to 25 hrs Playback (wireless audio): up to 101 hrs Talk (LTE): up to 3240 min |
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 |
| CELLULAR | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy A90 5G has more advanced generation mobile network. |
| Operating System | Google Android | - | |
| User Interface | - | One UI | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 13, 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 700c, 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 | |
| 5G NR Band | N78 | - | |
| 5G NR Frequency | TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
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| 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | Samsung Galaxy A90 5G | 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, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Additional Phone Features | MIMO technology, Samsung KNOX, Samsung DeX support, Bixby Vision, Bixby Routines | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing |
| OTHERS | Samsung Galaxy A90 5G | Samsung Galaxy M31s |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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