On this page we compare specs Vivo NEX 2 4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385, Cores: 8 with vivo Y91 Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | Vivo NEX 2 | vivo Y91 |
|---|
| Operating system | Funtouch 4.5 OS (Android 8.1 Oreo) | Android 8.1 (Oreo); Funtouch 4.5 |
| Processor | 4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385, Cores: 8 | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| Chipset | | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| GPU | Qualcomm Adreno 630, 710 MHz | Adreno 505 |
| RAM | 8 GB, 10 GB, 1866 MHz | |
| Internal memory | | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
| Internal Storage | 128 GB, 256 GB | |
| External memory | | microSD, up to 256 GB |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Vivo NEX 2 | vivo Y91 |
|---|
| Type | AMOLED | IPS LCD |
| Size | 6.59 inches | 6.22" inc |
| Resolution | 1080 x 2316 pixels | 720 x 1520 px |
| Touchscreen | Yes | capacitive touchscreen |
| Screen-to-Body Ratio | | 82.9% |
| Display area | | 96.6 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | 388 ppi | 270 PPI |
| Protection | Secondary AMOLED display - 5.5 in; Corning Gorilla Glass; 2.5D curved glass screen | |
| Colors | 16M | 16M |
| Features | Capacitive, Multi-touch, Scratch resistant | |
| Connectivity | Vivo NEX 2 | vivo Y91 |
|---|
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | Yes | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
| NFC | No | |
| Wi-Fi | a, b, g, n, n 5GHz, ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM | Nano SIM | |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Dual SIM | Nano-SIM, Nano-SIM / microSD | |
| Bluetooth | | 4.2, A2DP, LE |
| Wireless Charging | No | |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | GPS, A-GPS, GLONASS, BeiDou | Yes, with A-GPS, GLONASS, BDS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
| USB | 2.0, USB Type-C | microUSB 2.0, USB On-The-Go |
| Camera | Vivo NEX 2 | vivo Y91 |
|---|
| Image | 4032 x 3024 pixels | |
| Main camera | 12.19 MP (megapixels) | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, PDAF
-2 MP, f/2.4, depth sensor |
| Features | Dual LED | LED flash, panorama |
| Video | | 1080p@30fps |
| Selfie camera | | 8 MP, Single |
| Multimedia | Vivo NEX 2 | vivo Y91 |
|---|
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes | FM radio |
| Design | Vivo NEX 2 | vivo Y91 |
|---|
| Waterproof | No | |
| Colors | | Starry Black, Ocean Blue, Red (Y91i only) |
| Dimensions | 75.08 x 157.9 x 7.9 mm | 155.1 x 75.1 x 8.3 mm |
| Weight | 156 g | 163.5 g |
| Battery | Vivo NEX 2 | vivo Y91 |
|---|
| Capacity | Li-Polymer | |
| Battery capacity | | 4030 mAh, Non-removable Li-Po |
| Other | Vivo NEX 2 | vivo Y91 |
|---|
| Release date | | 2018, November |
| Sensors | Light, Accelerometer, Compass, Gyroscope, Fingerprint, Ultrasonic | Fingerprint (rear-mounted), accelerometer, proximity, compass |
