Side by side comparison and review of Samsung Galaxy A31 and Motorola Edge 20. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 163 mm | Motorola Edge 20 has greater height than Samsung Galaxy A31. |
| Width | 73.1 mm | 76 mm | Motorola Edge 20 has greater width than Samsung Galaxy A31. |
| Depth | 8.6 mm | 6.99 mm | Motorola Edge 20 is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 163 g | Motorola Edge 20 is lighter than Samsung Galaxy A31. |
| Body Colour | Prism crush black | Frosted grey | Frosted white | |
| Body Material | - | Aluminium alloy frame | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP52 | |
| SAR Value | 1.68 W/kg (body), 0.488 W/kg (head) | 1.5 W/kg (body), 1 W/kg (head), 2.98 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | OLED | |
| Screen Size (Display Size) | 6.4" | 6.7" | Motorola Edge 20 has larger screen size than Samsung Galaxy A31. |
| 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+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 1.07 billion colours | Motorola Edge 20 has better colour depth than Samsung Galaxy A31. |
| HDR | - | Yes | Motorola Edge 20 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 144 Hz | |
| Touch Sampling Rate | - | 576 Hz | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | DCI-P3 Wide colour gamut, Max Vision display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 778G 5G | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.4 GHz | Motorola Edge 20 has higher clock speed than Samsung Galaxy A31. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 642L |
| MEMORY | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| RAM | 4 GB | 8 GB | Motorola Edge 20 has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Motorola Edge 20 has more internal memory than Samsung Galaxy A31. |
| User Memory | 46.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 108 Megapixel | Motorola Edge 20 has better camera resolution than Samsung Galaxy A31. |
| Sensor Size | - | 1/1.52" | |
| Lens Aperture | F/2.0 | F/1.9 | Motorola Edge 20 has better lens aperture than Samsung Galaxy A31. |
| Field of View (FoV) | 80 degree(s) | - | |
| Pixel Size | - | 0.7 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 10x | Motorola Edge 20 has better digital zoom than Samsung Galaxy A31. |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Colour replace, Spot Colour | |
| Camera Modes | Depth bokeh | Slow motion video, Best Shot, portrait mode, Snap video mode, Super Slow-mo, Active photos, Cinemagraph, Night Vision, AR stickers, Macro video, Ultra-Res | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Edge 20 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 120 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 960 fps | |
| Camera Features (Functions) | Live Focus | Dual Capture, video stabilisation, snapshot in video recording, Barcode Scanner, Cutout, smart composition, Audio zoom, levelling, Shot optimisation, RAW photo output, 30x Super Resolution Zoom, Ultra Pixel Technology for 2.1µm, burst shot |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Telephoto lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A31 has better second camera lens aperture than Samsung Galaxy A31. |
| Field of View (2nd Camera) | 123 degree(s) | - | |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Motorola Edge 20 has optical stabilisation of the second camera. |
| Minimum Focal Length (2nd Camera) | 40 mm | - | |
| Camera Functions (2nd Camera) | Macro camera | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 16 Megapixel | Motorola Edge 20 has higher resolution third camera than Samsung Galaxy A31. |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.2 | Motorola Edge 20 has better third camera lens aperture than Samsung Galaxy A31. |
| Field of View (3rd Camera) | - | 119 degree(s) | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Camera Functions (3rd Camera) | Depth camera | - | |
| Camera Features (3rd Camera) | - | Macro Vision |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | Motorola Edge 20 has better front camera resolution than Samsung Galaxy A31. |
| Lens Aperture (Front) | F/2.2 | F/2.25 | Samsung Galaxy A31 has better front lens aperture than Samsung Galaxy A31. |
| Pixel Size (Front) | - | 0.7 μm | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR, Live Filters, Spot Colour | |
| Camera Modes (Front) | - | Pro mode, Gesture Shot, portrait mode, Face Beauty, Active photos, Cinemagraph, Night Vision, Group selfie, Live filter, Low Light AI Selfie | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Edge 20 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | - | RAW photo, Shot optimisation, Quad Pixel technology for 1.4 µm, burst shot, levelling, Selfie animation |
| BATTERY AND CHARGING | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4000 mAh | Samsung Galaxy A31 has larger battery capacity than Motorola Edge 20. |
|---|---|---|---|
| Fast Charging Technology | - | TurboPower technology | Motorola Edge 20 has fast charging technology. |
| Talk Time | 1980 minutes | - | |
| Run Time Details | 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 |
- |
| CELLULAR | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Motorola Edge 20 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 11 | |
| User Interface | One UI | My UX | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 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 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, 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 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 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n38, n41, n66, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Supported Digital Audio Standards | 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, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| 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, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | Three microphones, Google Lens, Google Assistant Key, Moto Gametime, Waves MaxxAudio Mobile, ThinkShield for mobile |
| OTHERS | Samsung Galaxy A31 | Motorola Edge 20 |
|---|
| Included Accessories | Power adapter | Headset, SIM card removal tool, USB-C cable, protective case, power adapter (30 W) | |
|---|---|---|---|
| Compliant Standards | - | IP52 |
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