On this page we compare specs Vivo Y1s Octa core, 2.3 GHz, Cortex A53 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 Y1s | vivo Y91 |
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Operating system | Android v10 (Q) | Android 8.1 (Oreo); Funtouch 4.5 |
Processor | Octa core, 2.3 GHz, Cortex A53 | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
Custom UI | Funtouch OS | |
Chipset | MediaTek Helio P35 | Qualcomm SDM439 Snapdragon 439 (12 nm) |
GPU | | Adreno 505 |
Internal memory | 32 GB | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
Architecture | 64 bit | |
External memory | | microSD, up to 256 GB |
RAM | 2 GB | |
Expandable Memory | yes Up to 256 GB | |
Graphics | PowerVR GE8320 | |
SIM Slot(s) | Dual SIM, GSM GSM | |
Display | Vivo Y1s | vivo Y91 |
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Type | | IPS LCD |
Size | | 6.22" inc |
Resolution | | 720 x 1520 px |
Touchscreen | | capacitive touchscreen |
Screen-to-Body Ratio | | 82.9% |
Screen Size | 6.22 inches (15.8 cm) | |
Display area | | 96.6 cm2 |
Screen Resolution | 720 x 1520 pixels | |
Display aspect ratio | | 19:9 (height:width) |
Display Type | IPS LCD | |
Pixel Density | 270 ppi | 270 PPI |
Colors | | 16M |
Screen to Body Ratio | 88.6 % | |
Touch Screen | yes Capacitive Touchscreen, Multi-touch | |
Connectivity | Vivo Y1s | vivo Y91 |
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2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | | HSDPA 850 / 900 / 2100 |
4G Network | | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
Wi-Fi | yes Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | 4G: Available , 3G: Available, 2G: Available | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | yes v5.0 | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
GPS | yes with A-GPS, Glonass | Yes, with A-GPS, GLONASS, BDS |
Speed | | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
USB | | microUSB 2.0, USB On-The-Go |
SIM Size | SIM1: Nano, SIM2: Nano | |
VoLTE | yes | |
Wi-Fi Features | Mobile Hotspot | |
USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | |
Main Camera | Vivo Y1s | vivo Y91 |
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Resolution | 13 MP f/2.2 Primary Camera
| |
Image Resolution | 4128 x 3096 Pixels | |
Flash | yes LED Flash | |
Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
Autofocus | yes | |
Physical Aperture | F2.2 | |
Shooting Modes | Continuos Shooting, High Dynamic Range mode (HDR) | |
Settings | Exposure compensation | |
Front Camera | Vivo Y1s | vivo Y91 |
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Resolution | 5 MP f/1.8 Primary Camera
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Physical Aperture | F1.8 | |
Camera | Vivo Y1s | vivo Y91 |
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Main camera | | 13 MP, Dual |
Specs | | 13 MP, f/2.2, PDAF -2 MP, f/2.4, depth sensor |
Features | | LED flash, panorama |
Video | | 1080p@30fps |
Selfie camera | | 8 MP, Single |
Multimedia | Vivo Y1s | vivo Y91 |
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3.5 mm Jack | | Yes |
Radio | | FM radio |
Audio Jack | 3.5 mm | |
FM Radio | yes | |
Loudspeaker | yes | |
Design | Vivo Y1s | vivo Y91 |
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Colors | | Starry Black, Ocean Blue, Red (Y91i only) |
Dimensions | | 155.1 x 75.1 x 8.3 mm |
Weight | 161 grams | 163.5 g |
Height | 155.1 mm | |
Width | 75 mm | |
Thickness | 8.2 mm | |
Colours | Aurora Blue , Olive Black | |
Battery | Vivo Y1s | vivo Y91 |
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Battery capacity | | 4030 mAh, Non-removable Li-Po |
Type | Li-ion | |
Capacity | 4030 mAh | |
User Replaceable | No | |
Quick Charging | No | |
USB Type-C | No | |
USB OTG Support | yes | |
Other | Vivo Y1s | vivo Y91 |
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Release date | | 2018, November |
Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |
Features | Vivo Y1s | vivo Y91 |
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Fingerprint Sensor | No | |
Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | |