In depth comparison and review of Vivo X20 Plus UD and Xiaomi Redmi A1. 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 Redmi A1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 155.3 mm | 164.9 mm | Xiaomi Redmi A1 has greater height than Vivo X20 Plus UD. |
| Width | 80.1 mm | 76.75 mm | Vivo X20 Plus UD has greater width than Xiaomi Redmi A1. |
| Depth | 7.5 mm | 9.09 mm | Vivo X20 Plus UD is narrower than Vivo X20 Plus UD. |
| Weight | 181.5 g | 192 g | Vivo X20 Plus UD is lighter than Vivo X20 Plus UD. |
| Body Colour | - | Light green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.997 W/kg (body), 0.846 W/kg (head), 2.541 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.43" | 6.52" | Xiaomi Redmi A1 has larger screen size than Vivo X20 Plus UD. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 1600 x 720 pixels | Vivo X20 Plus UD has better screen resolution than Xiaomi Redmi A1. |
| Display Format | - | HD+ | |
| Pixel Density | 376 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Night light screen, Dot Drop display |
| PROCESSOR | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio A22 | |
|---|---|---|---|
| Processor Number | MSM8956 | - | |
| Clock Speed | 2.2 GHz | 2 GHz | Vivo X20 Plus UD has higher clock speed than Xiaomi Redmi A1. |
| Processor Core Qty | 8-core | Quad-core | Vivo X20 Plus UD has higher processor core quantity than Xiaomi Redmi A1. |
| Graphics System (GPU) | Qualcomm ADRENO 512 | - |
| MEMORY | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 2 GB | Vivo X20 Plus UD has more RAM than Xiaomi Redmi A1. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Vivo X20 Plus UD has more internal memory than Xiaomi Redmi A1. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 8 Megapixel | Vivo X20 Plus UD has better camera resolution than Xiaomi Redmi A1. |
| Lens Aperture | F/1.8 | F/2.0 | Vivo X20 Plus UD has better lens aperture than Vivo X20 Plus UD. |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama | Time-lapse mode, portrait mode, Short video 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Geotagging | AI Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Xiaomi Redmi A1 has better second camera resolution than Vivo X20 Plus UD. |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 5 Megapixel | Vivo X20 Plus UD has better front camera resolution than Xiaomi Redmi A1. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Vivo X20 Plus UD has better front lens aperture than Vivo X20 Plus UD. |
| Camera Modes (Front) | - | 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) | - | AI Selfie |
| BATTERY AND CHARGING | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| Battery Capacity (Battery Size) | 3900 mAh | 5000 mAh | Xiaomi Redmi A1 has larger battery capacity than Vivo X20 Plus UD. |
|---|---|---|---|
| Standby Time | - | 746 hours | |
| Talk Time | - | 1800 minutes | |
| Run Time Details | - | Talk: up to 1800 min Standby: up to 746 hrs Playback (video): up to 22 hrs Playback (Music): up to 161 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| 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) | Android 12 (Go edition) | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass | Accelerometer | |
| Security Devices | Fingerprint reader (under display) | - | |
| Additional Phone Features | Multitasking, Active noise-cancellation | Fast Charging |
| OTHERS | Vivo X20 Plus UD | Xiaomi Redmi A1 |
|---|
| Included Accessories | Power adapter | USB cable, SIM card removal tool, 10W charger |
|---|
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