Detailed comparison and review of Samsung Galaxy S20 5G and Samsung Galaxy A31. 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 S20 5G | Samsung Galaxy A31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G981B/DS | SM-A315G/DS | |
| Form Factor | Touch | Touch | |
| Height | 151.7 mm | 159.3 mm | Samsung Galaxy A31 has greater height than Samsung Galaxy S20 5G. |
| Width | 69.1 mm | 73.1 mm | Samsung Galaxy A31 has greater width than Samsung Galaxy S20 5G. |
| Depth | 7.9 mm | 8.6 mm | Samsung Galaxy S20 5G is narrower than Samsung Galaxy S20 5G. |
| Weight | 163 g | 185 g | Samsung Galaxy S20 5G is lighter than Samsung Galaxy S20 5G. |
| Body Colour | Cosmic grey | Cloud blue | Pink cloud | Prism crush black | |
| Protection | Dustproof, splashproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S20 5G is waterproof. |
| IP rating | IP68 | - | |
| Repairability Index | 5.7 (out of 10) | - | |
| SAR Value | 1.525 W/kg (body), 0.382 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 | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | Super AMOLED | |
| Screen Size (Display Size) | 6.2" | 6.4" | Samsung Galaxy A31 has larger screen size than Samsung Galaxy S20 5G. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2400 x 1080 pixels | Samsung Galaxy S20 5G has better screen resolution than Samsung Galaxy A31. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 563 ppi | - | |
| Aspect Ratio | 20:9 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | Yes | - | Samsung Galaxy S20 5G has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | Edge Screen, AOD(Always On Display), Edge Lighting | Night mode, Edge-to-Edge screen, Infinity U Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
| PROCESSOR | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Processor Type (CPU) | Samsung Exynos 990 | - | |
|---|---|---|---|
| Clock Speed | 2.73 GHz | 2 GHz | Samsung Galaxy S20 5G 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 S20 5G has 64-bit architecture. |
| Graphics System (GPU) | Mali-G77 MP11 | - |
| MEMORY | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | 4 GB | Samsung Galaxy S20 5G has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy S20 5G has more internal memory than Samsung Galaxy A31. |
| User Memory | 104 GB | 46.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 48 Megapixel | Samsung Galaxy S20 5G has better camera resolution than Samsung Galaxy A31. |
| Lens Type | Telephoto lens | - | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Field of View (FoV) | 76 degree(s) | 80 degree(s) | Samsung Galaxy A31 has larger lens field of view than Samsung Galaxy S20 5G. |
| Pixel Size | 0.8 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S20 5G has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Digital Zoom | - | 8x | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Bokeh effect, Grid Line, Motion photos, video bokeh effect | - | |
| HDR Mode | HDR+ | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video | Depth bokeh | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S20 5G has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | High CRI LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (8K) at 24 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady, Quick Measure, Space Zoom, 3D Scanner, 3x Hybrid Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy S20 5G 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) | 120 degree(s) | 123 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than Samsung Galaxy S20 5G. |
| Pixel Size (2nd Camera) | 1.4 μm | - | |
| Minimum Focal Length (2nd Camera) | - | 40 mm | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | Dual Pixel AF, OIS (Optical Image Stabilisation) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 5 Megapixel | Samsung Galaxy S20 5G has higher resolution third camera than Samsung Galaxy A31. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/1.76" | - | |
| Lens Type (3rd Camera) | Wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/1.8 | F/2.4 | Samsung Galaxy S20 5G has better third camera lens aperture than Samsung Galaxy S20 5G. |
| Field of View (3rd Camera) | 79 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.8 μm | - | |
| Camera Functions (3rd Camera) | - | Depth camera | |
| Camera Features (3rd Camera) | Super Speed Dual Pixel AF | - |
| 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) | 10 Megapixel | 20 Megapixel | Samsung Galaxy A31 has better front camera resolution than Samsung Galaxy S20 5G. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Focus Adjustment | Automatic | Focus free | |
| Camera Modes (Front) | Live Focus mode, AR Emoji, Live focus video | - | |
| Camera Features (Front) | Dual Pixel AF | - |
| BATTERY AND CHARGING | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | Samsung Galaxy A31 has larger battery capacity than Samsung Galaxy S20 5G. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging | - | Samsung Galaxy S20 5G has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S20 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 1200 minutes | 1980 minutes | Samsung Galaxy A31 has longer battery life when making calls than Samsung Galaxy S20 5G. |
| Run Time Details | Talk (LTE): up to 1200 min Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy S20 5G has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | Samsung One UI 2 | One UI | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, 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 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, FDD 1500 L, TDD 2600, TDD 1900, 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 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N1, n3, n5, n7, n8, n28, n77, n78, n40 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 3700, TDD TD 3500, TDD 2300 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| 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, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor, ultrasonic sensor, HR sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (under display) | |
| Additional Phone Features | HD Voice, MIMO technology, Smart Select, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, Bixby key, 3D Scanner, Live messages, Samsung KNOX 3.5 | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing |
| OTHERS | Samsung Galaxy S20 5G | Samsung Galaxy A31 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, Earphones (USB Type-C) with sound by AKG | Power adapter | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, HAC (Hearing Aid Compatible), SGS | - | |
| Max Depth of Water Resistance | 1.5 m | - |
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