Detailed comparison and review of Samsung Galaxy A31 and Motorola Edge 40. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 158.43 mm | Samsung Galaxy A31 has greater height than Motorola Edge 40. |
| Width | 73.1 mm | 71.99 mm | Samsung Galaxy A31 has greater width than Motorola Edge 40. |
| Depth | 8.6 mm | 7.58 mm | Motorola Edge 40 is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 171 g | Motorola Edge 40 is lighter than Samsung Galaxy A31. |
| Body Colour | Prism crush black | Eclipse black | Viva magenta | |
| Body Material | - | Aluminium, vegan leather | |
| Protection | - | Water-resistant, dust-resistant, dirt-repellent, sand-resistant, anti-fingerprint coating | |
| Waterproof (Water-resistant) | - | Yes | Motorola Edge 40 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.68 W/kg (body), 0.488 W/kg (head) | - | |
| 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Display Type | OLED display | pOLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | P-OLED | |
| Screen Size (Display Size) | 6.4" | 6.55" | Motorola Edge 40 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+ | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 1200 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | - | Yes | Motorola Edge 40 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 144 Hz | |
| Touch Sampling Rate | - | 360 Hz | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | 3D curved glass, DCI-P3 Wide colour gamut, endless edge display |
| PROCESSOR | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Processor Type (CPU) | - | MediaTek Dimensity 8020 | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - |
| MEMORY | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 8 GB | Motorola Edge 40 has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | Motorola Edge 40 has more internal memory than Samsung Galaxy A31. |
| User Memory | 46.2 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Motorola Edge 40 has better camera resolution than Samsung Galaxy A31. |
| Sensor Size | - | 1/1.5" | |
| Lens Aperture | F/2.0 | F/1.4 | Motorola Edge 40 has better lens aperture than Samsung Galaxy A31. |
| Field of View (FoV) | 80 degree(s) | - | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Motorola Edge 40 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Live Filters, Spot Colour | |
| Camera Modes | Depth bokeh | Burst mode, Slow motion mode, Watermark mode, Video Snapshot, 360 Panorama mode, Active photos, Portrait, Night Vision, Macro video, Portrait video, Ultra-Res, Scanner, Dual Record, Pro mode with long exposure, Timelapse with Hyperlapse, Auto night vision, metering mode | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Edge 40 has face detection. |
| Light Source | 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, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | Live Focus | Quick Capture, QR-code scanner, video stabilisation, Barcode Scanner, smart composition, Audio zoom, levelling, RAW photo output, shot optimisation, Google Lens, Assistive Grid, Quad Pixel technology for 2.0 µm, Omni PDAF, Super Resolution Zoom, external microphone support |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 13 Megapixel | Motorola Edge 40 has better second camera resolution than Samsung Galaxy A31. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | 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) | 120 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than Motorola Edge 40. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | 40 mm | - | |
| Camera Functions (2nd Camera) | Macro camera | Macro camera | |
| Camera Features (2nd Camera) | - | Macro Vision |
| 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) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | Motorola Edge 40 has better front camera resolution than Samsung Galaxy A31. |
| Lens Aperture (Front) | F/2.2 | F/2.4 | 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) | - | Watermark mode, Video Snapshot, Face Beauty, Active photos, Selfie Mirror, Portrait, Portrait video, Gesture Capture, Dual Record, Timelapse with Hyperlapse, Professional (with Long Exposure), Auto night vision, metering mode, Face Super Resolution | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Edge 40 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | - | Self-timer, Quick Capture, video stabilisation, RAW photo, Quad Pixel technology for 1.4 µm, levelling, Selfie animation, Assistive grid, external microphone support |
| BATTERY AND CHARGING | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4400 mAh | Samsung Galaxy A31 has larger battery capacity than Motorola Edge 40. |
|---|---|---|---|
| Fast Charging Technology | - | TurboPower technology | Motorola Edge 40 has fast charging technology. |
| Wireless Charging | - | Yes | Motorola Edge 40 can be charged wirelessly. |
| 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 |
Mixed usage: up to 30 hrs |
| CELLULAR | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Motorola Edge 40 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 13 | |
| User Interface | One UI | - | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| 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 13, Band 17, Band 20, Band 26, Band 28, Band 32, 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 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| 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 40 |
|---|
| 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 | - | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Phone Functions | 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, magnetometer, SAR sensor, gyroscope | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
| Security Technology | - | Face Unlock, ThinkShield for Mobile, Moto Secure | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | Three microphones, dual stereo speakers tuned by Dolby Atmos, hotspot |
| OTHERS | Samsung Galaxy A31 | Motorola Edge 40 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C to USB-C cable, protective case, TurboPower 68W charger | |
|---|---|---|---|
| Compliant Standards | - | IP68, SGS Low Blue Light Certification, SGS Low Motion Blur Certification, Netflix HD Certification, Amazon HDR Certification | |
| Max Depth of Water Resistance | - | 1.5 m |
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