In depth comparison and review of Vivo X20 Plus UD and OPPO A15. 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 | OPPO A15 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2185 | |
| Form Factor | Touch | Touch | |
| Height | 155.3 mm | 164 mm | OPPO A15 has greater height than Vivo X20 Plus UD. |
| Width | 80.1 mm | 75.4 mm | Vivo X20 Plus UD has greater width than OPPO A15. |
| Depth | 7.5 mm | 7.9 mm | Vivo X20 Plus UD is narrower than Vivo X20 Plus UD. |
| Weight | 181.5 g | 175 g | OPPO A15 is lighter than Vivo X20 Plus UD. |
| Body Colour | - | Dynamic black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB Handset 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 | OPPO A15 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | LCD | |
| Screen Size (Display Size) | 6.43" | 6.52" | OPPO A15 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 OPPO A15. |
| Display Format | - | HD+ | |
| Pixel Density | 376 ppi | 269 ppi | Vivo X20 Plus UD has better pixel density than OPPO A15. |
| Max Brightness | - | 480 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | - | Dark mode, Waterdrop Screen |
| PROCESSOR | Vivo X20 Plus UD | OPPO A15 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio P35 | |
|---|---|---|---|
| Processor Number | MSM8956 | MT6765 | |
| Clock Speed | 2.2 GHz | 2.3 GHz | OPPO A15 has higher clock speed than Vivo X20 Plus UD. |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | Qualcomm ADRENO 512 | IMG GE8320 |
| MEMORY | Vivo X20 Plus UD | OPPO A15 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 3 GB | Vivo X20 Plus UD has more RAM than OPPO A15. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Vivo X20 Plus UD has more internal memory than OPPO A15. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Vivo X20 Plus UD | OPPO A15 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | OPPO A15 has better camera resolution than Vivo X20 Plus UD. |
| Lens Aperture | F/1.8 | F/2.2 | Vivo X20 Plus UD has better lens aperture than Vivo X20 Plus UD. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR, Portrait bokeh | |
| Camera Modes | Panorama | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | |
| 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 | - | |
| Camera Features (Functions) | Geotagging | AI Triple camera, AI Scene Enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | Vivo X20 Plus UD has better second camera resolution than OPPO A15. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Depth camera |
| 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 OPPO A15. |
| Lens Aperture (Front) | F/2.0 | F/2.4 | Vivo X20 Plus UD has better front lens aperture than Vivo X20 Plus UD. |
| Lens Element Qty (Front) | - | 3-element | |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | AI beautification |
| BATTERY AND CHARGING | Vivo X20 Plus UD | OPPO A15 |
|---|
| Battery Capacity (Battery Size) | 3900 mAh | 4230 mAh | OPPO A15 has larger battery capacity than Vivo X20 Plus UD. |
|---|---|---|---|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Vivo X20 Plus UD | OPPO A15 |
|---|
| 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) | ColorOS 7.2 (based on Android 10) | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Vivo X20 Plus UD | OPPO A15 |
|---|
| 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 | OPPO A15 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, apt-X, LDAC, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | Vivo X20 Plus UD | OPPO A15 |
|---|
| 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 | - | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Multitasking, Active noise-cancellation | HyperBoost 2.1 |
| OTHERS | Vivo X20 Plus UD | OPPO A15 |
|---|
| Included Accessories | Power adapter | Protective cover, USB cable, power adapter, SIM card removal tool |
|---|
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