On this page we compare specs Vivo Y51G Qualcomm SDM665 Snapdragon 665 (11 nm) 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 Y51G | vivo Y91 |
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Operating system | Android v11 | Android 8.1 (Oreo); Funtouch 4.5 |
Processor | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
Chipset | Qualcomm SDM665 Snapdragon 665 (11 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
GPU | Adreno 610 | Adreno 505 |
Internal memory | | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
Internal Storage | 128 GB | |
External memory | | microSD, up to 256 GB |
RAM | 8 GB | |
Display | Vivo Y51G | 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% |
Display area | | 96.6 cm2 |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | | 270 PPI |
Colors | | 16M |
Connectivity | Vivo Y51G | vivo Y91 |
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SIM size | SIM1: Nano, SIM2: Nano | |
2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | | HSDPA 850 / 900 / 2100 |
Dual SIM | Dual SIM, GSM GSM | |
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 support | 4G , 3G, 2G | |
Network | | GSM / HSPA / LTE |
USB connectivity | Mass storage device, USB charging | |
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 | 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 |
Camera | Vivo Y51G | vivo Y91 |
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Autofocus | Yes | |
Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
Flash | Yes, LED Flash | |
Front camera | 16 MP | |
Front camera resolution | 16 MP Primary Camera | |
Video recording | Yes | |
Main camera | 48 MP 8 MP 2 MP | 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 Y51G | vivo Y91 |
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Audio jack | 3.5 MM | |
Loudspeaker | Yes | |
3.5 mm Jack | | Yes |
Radio | | FM radio |
Features | Vivo Y51G | vivo Y91 |
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Fingerprint sensor position | Side | |
Fingerprint sensor | Yes | |
Other sensors | Accelerometer, Gyro, Proximity, Compass | |
Design | Vivo Y51G | vivo Y91 |
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Height | 163.9 mm | |
Width | 75.3 mm | |
Thickness | 8.4 mm | |
Colors | Titanium Sapphire, Crystal Symphony | Starry Black, Ocean Blue, Red (Y91i only) |
Dimensions | | 155.1 x 75.1 x 8.3 mm |
Weight | 188 gram | 163.5 g |
Battery | Vivo Y51G | vivo Y91 |
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Capacity | 5000 mAh | |
Type | Li-Polymer | |
User replaceable | No | |
Quick charging | Yes, Fast, 18W | |
Battery capacity | | 4030 mAh, Non-removable Li-Po |
Other | Vivo Y51G | vivo Y91 |
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Release date | | 2018, November |
Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |