vivo Y91
Network
Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps
Launch
Announced
2018, November
Status
Available. Released 2018, November
Body
Dimensions
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
Weight
163.5 g (5.78 oz)
Build
Glass front, plastic back, plastic frame
SIM
Dual SIM (Nano-SIM, dual stand-by)
Display
Type
IPS LCD
Size
6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio)
Resolution
720 x 1520 pixels, 19:9 ratio (~270 ppi density)
Platform
OS
Android 8.1 (Oreo), Funtouch 4.5
Chipset
Qualcomm SDM439 Snapdragon 439 (12 nm)
CPU
Octa-core (4×1.95 GHz Cortex-A53 & 4×1.45 GHz Cortex A53)
GPU
Adreno 505
Memory
Card slot
microSDXC (dedicated slot)
Internal
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
eMMC 5.1
Main Camera
Dual
13 MP, f/2.2, PDAF
2 MP, f/2.4, (depth)
Features
LED flash, panorama
Video
1080p@30fps
Selfie camera
Single
8 MP, f/1.8
Video
1080p@30fps
Sound
Loudspeaker
Yes
3.5mm jack
Yes
Comms
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
Positioning
GPS, GLONASS, BDS
NFC
No
Radio
FM radio
USB
microUSB 2.0, OTG
Features
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Type
4030 mAh, non-removable
Misc
Colors
Starry Black, Ocean Blue
Models
1816, 1817, 1820, 1811, PD1818BF_EX
SAR
1.28 W/kg (head) 0.61 W/kg (body)
Price
About 200 EUR