In depth comparison and review of Vivo X20 Plus UD and Xiaomi MI A3. 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 | Xiaomi MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 155.3 mm | 153.48 mm | Vivo X20 Plus UD has greater height than Xiaomi MI A3. |
| Width | 80.1 mm | 71.85 mm | Vivo X20 Plus UD has greater width than Xiaomi MI A3. |
| Depth | 7.5 mm | 8.475 mm | Vivo X20 Plus UD is narrower than Vivo X20 Plus UD. |
| Weight | 181.5 g | 173.8 g | Xiaomi MI A3 is lighter than Vivo X20 Plus UD. |
| Body Colour | - | Kind of grey | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 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 | Xiaomi MI A3 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.43" | 6.088" | Vivo X20 Plus UD has larger screen size than Xiaomi MI A3. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1560 x 720 pixels | Vivo X20 Plus UD has better screen resolution than Xiaomi MI A3. |
| Display Format | - | HD+ | |
| Pixel Density | 376 ppi | - | |
| Aspect Ratio | - | 19.5:9 | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 60000:1 | |
| Display Features | - | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Processor Number | MSM8956 | - | |
| Clock Speed | 2.2 GHz | 2 GHz | Vivo X20 Plus UD has higher clock speed than Xiaomi MI A3. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 512 | Qualcomm ADRENO 610 |
| MEMORY | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Vivo X20 Plus UD has more internal memory than Xiaomi MI A3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | Up to 256 GB |
| CAMERA | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than Vivo X20 Plus UD. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/1.8 | F/1.79 | Xiaomi MI A3 has better lens aperture than Vivo X20 Plus UD. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama | AI portrait mode | |
| Face Recognition (Face ID) | Face detection | - | Vivo X20 Plus UD has face detection. |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) 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, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Geotagging | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Xiaomi MI A3 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) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than Vivo X20 Plus UD. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | - | Selfie panorama, AI portrait mode, AI Beautify | |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| BATTERY AND CHARGING | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 3900 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than Vivo X20 Plus UD. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| 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) | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 20, Band 28, Band 38, Band 40 | |
| 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| 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, digital compass, gyro sensor, vibration sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | Multitasking, Active noise-cancellation | AI face unlock |
| OTHERS | Vivo X20 Plus UD | Xiaomi MI A3 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
|---|
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