| Model and physical features | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Brand | Vivo | Parla |
| Model | NEX A | Sonic 3.5 Dual P3020 |
| Also known as | NEX 全面屏, BBK vivo NEX A 128GB + 6GB RAM | Parla Sonic 3.5 Dual-Sim P3020 |
| Country or region where it's sold |   | feature not registered |
| Release date | June, 2018 | September, 2013 |
| Depth | 8 millimeters (0.31 inches) | 11.6 millimeters (0.46 inches) |
| Size (width x height) | 77 x 162 millimeters (3.03 x 6.38 in) | 62.2 x 116 millimeters (2.45 x 4.57 in) |
| Weight | 199 grams (6.97 ounces) | 105 grams (3.68 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | Aluminum frame, front/back glass | feature not registered |
| Protection against water and others | Not supported | Not supported |
| Operating system (OS) | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Operating system | Android 8.1 Oreo | Android 4.1.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| Hardware | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Architecture - Chipset | 64bit - Qualcomm Snapdragon 710 SDM710 (10nm) | 32bit - Spreadtrum SC7710G |
| CPU processor | Octa-Core, 2 processors:
2.2Ghz Dual-Core Kryo 360 Gold
1.7Ghz Hexa-Core Kryo 360 Silver | 1Ghz Single-Core ARM Cortex-A5 |
| GPU graphical controller | Qualcomm Adreno 616 500Mhz | ARM Mali-300 |
| RAM memory | 6GB LPDDR4X | 512MB |
| Internal storage | 128GB (108GB user available) | 512MB (150MB user available) |
| External storage | Not supported | Until 32GB microSD, microSDHC
(dedicated slot) |
| Display | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 6.59" inches | 3.5" inches |
| Screen-to-body ratio | ~86% (screen-to-body ratio) | ~50.6% (screen-to-body ratio) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Display resolution | 1080x2316 pixels | 320x480 pixels |
| Pixel density (dot pitch) | 388 PPI | 165 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Mobile networks and data | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Dual-SIM | Dual SIM Standby - Call active on one sim card
(dedicated slot) | Dual SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots Dual-SIM
nano-SIM (4FF) | 2 slots Dual-SIM
Standard mini-SIM (2FF) |
| GSM Mhz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100 | UMTS 850/1900 |
| Primary 4G network | LTE Cat15 (Bands 1,2,3,4,5,8)
TD-LTE (Bands 34,38,39,40,41) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
| Maximum download/upload | 800/150 Mbps | 7.2/5.76 Mbps |
| Messaging and calling | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Not supported |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Primary camera / Back camera | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Main camera | (dual camera)
12 megapixels
5MP depth sensor (f/2.4) | 2 megapixels |
| Main camera resolution | 4000x3000 pixels | 1600x1200 pixels |
| Video recording (primary) | 4K UHD (3840x2160 pixels) 30 fps | WVGA (800x480 pixels) 30 fps |
| Flash | Dual LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS (4-axis): Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Front camera / Secondary camera | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Front camera | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080 pixels) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Multimedia | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.264, H.263, WMV, DivX, XviD |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
| Connectivity and interfaces | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 5.0 version A2DP/LE | 2.1 version A2DP |
| WiFi | 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz) | 802.11 a/b/g/n (2.4Ghz/5Ghz) |
| DLNA | Not supported | Not supported |
| NFC | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| Infrared port | Not supported | Not supported |
| Other functions | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Active noise cancellation | Supported | Not supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| Java / Flash player | Not supported | Not supported |
| Sensors | Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Fingerprint (rear-mounted)
| Accelerometer
Proximity
|
| Other features | - Colors: Black, Red
- Funtouch OS 4
- 32-bit/192kHz audio
- Pop-up front camera
- Wifi direct, hotspot | - Colors: Black, White
- WiFi hotspot |
| Power supply and autonomy | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| Battery technology | Li-Ion (Non removable)
Fast battery charging | Li-Ion (Removable) |
| Battery capacity | 4000 mAh | 1300 mAh |
| Battery model / charger (watts) | 22W | feature not registered |
| Talk time | feature not registered | 360 minutes | 6 hours | 0.3 day |
| Standby | feature not registered | 30000 minutes | 500 hours | 20.8 days |
| Specific absorption rate (radiation) | Vivo NEX A | Parla Sonic 3.5 Dual P3020 |
| SAR USA, Mexico, Colombia | feature not registered | feature not registered |
| SAR European Union, UK | feature not registered | feature not registered |