In depth comparison and review of Xiaomi Redmi 3S and Vivo X20 Plus UD. 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 | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 155.3 mm | Vivo X20 Plus UD has greater height than Xiaomi Redmi 3S. |
| Width | 69.6 mm | 80.1 mm | Vivo X20 Plus UD has greater width than Xiaomi Redmi 3S. |
| Depth | 8.5 mm | 7.5 mm | Vivo X20 Plus UD is narrower than Xiaomi Redmi 3S. |
| Weight | 144 g | 181.5 g | Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S. |
| Body Colour | Gold | - | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.43 W/kg (body), 0.62 W/kg (head) | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | Super AMOLED | |
| Screen Size (Display Size) | 5" | 6.43" | Vivo X20 Plus UD has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2160 x 1080 pixels | Vivo X20 Plus UD has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | HD | - | |
| Pixel Density | - | 376 ppi | |
| Colour Depth | - | 16.7 million colours |
| PROCESSOR | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 430 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Processor Number | - | MSM8956 | |
| Clock Speed | 1.4 GHz | 2.2 GHz | Vivo X20 Plus UD has higher clock speed than Xiaomi Redmi 3S. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 3S has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 512 |
| MEMORY | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| RAM | 2 GB | 4 GB | Vivo X20 Plus UD has more RAM than Xiaomi Redmi 3S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Vivo X20 Plus UD has more internal memory than Xiaomi Redmi 3S. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Xiaomi Redmi 3S has better camera resolution than Vivo X20 Plus UD. |
| Lens Aperture | F/2.0 | F/1.8 | Vivo X20 Plus UD has better lens aperture than Xiaomi Redmi 3S. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama, manual mode | Panorama | |
| Face Recognition (Face ID) | - | Face detection | Vivo X20 Plus UD has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Geotagging |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 12 Megapixel | Vivo X20 Plus UD has better front camera resolution than Xiaomi Redmi 3S. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Vivo X20 Plus UD has better front lens aperture than Xiaomi Redmi 3S. |
| Camera Modes (Front) | Beautify Selfie mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 3S has face detection. |
| Light Source (Front) | - | Flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| BATTERY AND CHARGING | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3900 mAh | Xiaomi Redmi 3S has larger battery capacity than Vivo X20 Plus UD. |
|---|---|---|---|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| 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 | MIUI V7 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
| 4G LTE Band | Band 3, Band 5, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 8, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 1800+, FDD 850, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HID | A2DP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | WAV, MP3, FLAC, eAAC+ | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark | MPEG-4, H.264 | |
| Sound Enhancements | - | Hi-Fi Sound support |
| FEATURES | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor | Accelerometer, proximity sensor, digital compass | |
| Security Devices | - | Fingerprint reader (under display) | |
| Additional Phone Features | Infrared remote control, Reading mode | Multitasking, Active noise-cancellation |
| OTHERS | Xiaomi Redmi 3S | Vivo X20 Plus UD |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter |
|---|
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