In depth comparison and review of Vivo X20 Plus UD 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 | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-M317F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 155.3 mm | 159.3 mm | Samsung Galaxy M31s has greater height than Vivo X20 Plus UD. |
| Width | 80.1 mm | 74.4 mm | Vivo X20 Plus UD has greater width than Samsung Galaxy M31s. |
| Depth | 7.5 mm | 9.3 mm | Vivo X20 Plus UD is narrower than Vivo X20 Plus UD. |
| Weight | 181.5 g | 203 g | Vivo X20 Plus UD is lighter than Vivo X20 Plus UD. |
| Body Colour | - | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.365 W/kg (body), 0.756 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 6.43" | 6.5" | Samsung Galaxy M31s has larger screen size than Vivo X20 Plus UD. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy M31s has better screen resolution than Vivo X20 Plus UD. |
| Display Format | - | Full HD+ | |
| Pixel Density | 376 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Night mode, Edge-to-Edge screen, Infinity O display |
| PROCESSOR | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | - | |
|---|---|---|---|
| Processor Number | MSM8956 | - | |
| Clock Speed | 2.2 GHz | 2.3 GHz | Samsung Galaxy M31s has higher clock speed than Vivo X20 Plus UD. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 512 | - |
| MEMORY | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| RAM | 4 GB | 6 GB | Samsung Galaxy M31s has more RAM than Vivo X20 Plus UD. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 106.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 64 Megapixel | Samsung Galaxy M31s has better camera resolution than Vivo X20 Plus UD. |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Field of View (FoV) | - | 81 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama | Slow motion video, Bokeh Mode, Live Focus mode | |
| Face Recognition (Face ID) | Face detection | - | Vivo X20 Plus UD has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) 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) | Geotagging | Background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 12 Megapixel | Samsung Galaxy M31s has better second camera resolution than Vivo X20 Plus UD. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| 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) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 32 Megapixel | Samsung Galaxy M31s has better front camera resolution than Vivo X20 Plus UD. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Vivo X20 Plus UD has better front lens aperture than Vivo X20 Plus UD. |
| Focus Adjustment | - | Focus free | |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | Live Focus |
| BATTERY AND CHARGING | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Battery Capacity (Battery Size) | 3900 mAh | 6000 mAh | Samsung Galaxy M31s has larger battery capacity than Vivo X20 Plus UD. |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Super Fast Charging | Samsung Galaxy M31s has fast charging technology. |
| Talk Time | - | 3060 minutes | |
| Run Time Details | - | 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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Funtouch OS 3.2 (based on Android 7.1.1) | - | |
| User Interface | - | One UI | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 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 8, Band 38, Band 39, Band 40, Band 41 | 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 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | - | Yes | Samsung Galaxy M31s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | Vivo X20 Plus UD | 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, digital compass | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, Active noise-cancellation | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing |
| OTHERS | Vivo X20 Plus UD | Samsung Galaxy M31s |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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