In depth comparison and review of Samsung Galaxy A90 5G and Motorola Moto G31. 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 | Motorola Moto G31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A908B | - | |
| Form Factor | Touch | Touch | |
| Height | 164.8 mm | 161.89 mm | Samsung Galaxy A90 5G has greater height than Motorola Moto G31. |
| Width | 76.4 mm | 73.87 mm | Samsung Galaxy A90 5G has greater width than Motorola Moto G31. |
| Depth | 8.4 mm | 8.55 mm | Samsung Galaxy A90 5G is narrower than Samsung Galaxy A90 5G. |
| Weight | 206 g | 181 g | Motorola Moto G31 is lighter than Samsung Galaxy A90 5G. |
| Body Colour | White | Black | Mineral grey | Baby blue | |
| Body Material | - | Plastic | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.547 W/kg (body), 0.377 W/kg (head) | 1.46 W/kg (body), 0.67 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 | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | OLED | |
| Screen Size (Display Size) | 6.7" | 6.4" | Samsung Galaxy A90 5G has larger screen size than Motorola Moto G31. |
| 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+ | |
| Pixel Density | - | 409 ppi | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | Edge-to-Edge screen, Infinity U Display | Max Vision display |
| PROCESSOR | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | 2.8 GHz | 2 GHz | Samsung Galaxy A90 5G has higher clock speed than Motorola Moto G31. |
| 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. |
| Graphics System (GPU) | - | ARM Mali-G52 MC2 |
| MEMORY | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| RAM | 6 GB | 4 GB | Samsung Galaxy A90 5G has more RAM than Motorola Moto G31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy A90 5G has more internal memory than Motorola Moto G31. |
| User Memory | 106.4 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Motorola Moto G31 has better camera resolution than Samsung Galaxy A90 5G. |
| Lens Aperture | F/2.0 | F/1.8 | Motorola Moto G31 has better lens aperture than Samsung Galaxy A90 5G. |
| Pixel Size | - | 1.28 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Spot Colour | |
| Camera Modes | - | Panorama, Pro mode, Timer mode, BurstShot, Watermark mode, Active photos, Cinemagraph, Portrait, Night Vision, AR stickers, Levelling, Macro Vision, Long exposure mode, Live filter, Capture Dual | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Moto G31 has face detection. |
| 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Live Focus, Super steady | Phase Detect Auto-Focus (PDAF), Barcode Scanner, Cutout, Quad Pixel technology, smart composition, RAW photo output, shot optimisation, Google Lens, High-res digital zoom (up to 8x), Assistive Grid |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Motorola Moto G31 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) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | Depth camera | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | Samsung Galaxy A90 5G has higher resolution third camera than Motorola Moto G31. |
|---|---|---|---|
| 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) | - | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
|---|---|---|---|
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 13 Megapixel | Samsung Galaxy A90 5G has better front camera resolution than Motorola Moto G31. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy A90 5G has better front lens aperture than Samsung Galaxy A90 5G. |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR, Spot Colour | |
| Camera Modes (Front) | Selfie focus | Slow motion video, Pro mode, Timer mode, BurstShot, HYPERLAPSE, Watermark mode, portrait mode, Face Beauty, Timelapse video, Active photos, Cinemagraph, Portrait, Night Vision, Levelling, Gesture selfie, Group selfie, Long exposure mode, Live filter, Low Light AI Selfie, Capture Dual, Gesture Capture | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Moto G31 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Video image stabilisation, RAW photo, Shot optimisation, Selfie animation, Assistive grid |
| BATTERY AND CHARGING | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | Motorola Moto G31 has larger battery capacity than Samsung Galaxy A90 5G. |
|---|---|---|---|
| Fast Charging Technology | Samsung Super Fast Charging | - | Samsung Galaxy A90 5G has fast charging technology. |
| Talk Time | 3240 minutes | - | |
| 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 |
Standard usage: up to 36 hrs |
| CELLULAR | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| 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 | Android 11 | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | LTE | |
|---|---|---|---|
| 2G Band | 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 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 | - | |
| 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 | Motorola Moto G31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | Dolby Atmos | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - |
| FEATURES | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| Phone Functions | 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, digital compass, SAR sensor, gyroscope | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | MIMO technology, Samsung KNOX, Samsung DeX support, Bixby Vision, Bixby Routines | Dual microphones |
| OTHERS | Samsung Galaxy A90 5G | Motorola Moto G31 |
|---|
| Included Accessories | Power adapter | Protective cover, USB cable, SIM card removal tool, 10W charger |
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