On this page we compare specs Vivo Y51 Octa-core (4x2.0 GHz Kryo 260 Gold, 4x1.8 GHz Kryo 260 Silver) 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 Y51 | vivo Y91 |
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Operating system | | Android 8.1 (Oreo); Funtouch 4.5 |
Processor | | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
Chipset | | Qualcomm SDM439 Snapdragon 439 (12 nm) |
GPU | | Adreno 505 |
Internal memory | | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
External memory | | microSD, up to 256 GB |
Hardware and OS (2020, December) | Vivo Y51 | vivo Y91 |
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Operating system | Android 11, Funtouch 11 | |
Processor | Octa-core (4x2.0 GHz Kryo 260 Gold, 4x1.8 GHz Kryo 260 Silver) | |
GPU | Adreno 610 | |
RAM | 8 GB | |
Internal Storage | 128 GB | |
Memory Card Slot | microSDXC (dedicated slot) | |
User Interface | Yes | |
Display | Vivo Y51 | 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 |
Display (2020, December) | Vivo Y51 | vivo Y91 |
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Type | IPS LCD | |
Size | 6.58 inches | |
Resolution | 1080 x 2408 pixels | |
Colors | 16M | |
Pixel Density | 415 ppi | |
Touchscreen | Yes | |
Connectivity (2020, December) | Vivo Y51 | vivo Y91 |
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4G Network | 1, 3, 5, 8, 40 | |
5G Network | No | |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
NFC | No | |
USB | USB Type-C 2.0, USB On-The-Go | |
Speed | HSPA 42.2/5.76 Mbps, LTE-A | |
SIM | Nano SIM | |
Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
Wireless Charging | No | |
Connectivity | Vivo Y51 | 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 | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
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 (2020, December) | Vivo Y51 | vivo Y91 |
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Main camera | 48 MP (wide), 8 MP (ultrawide), 2 MP (macro) | |
Features | LED flash, HDR, panorama | |
Image | 1080p | |
Selfie camera | 16 MP (wide) | |
Camera | Vivo Y51 | 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 (2020, December) | Vivo Y51 | vivo Y91 |
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Loudspeaker | Yes | |
Handsfree | Yes | |
Radio | Yes | |
Video Playback | Yes | |
Video Out | Yes | |
Ring Tones | Yes | |
3.5 mm Jack | Yes | |
Multimedia | Vivo Y51 | vivo Y91 |
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3.5 mm Jack | | Yes |
Radio | | FM radio |
Design (2020, December) | Vivo Y51 | vivo Y91 |
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Dimensions | 163.9 x 75.3 x 8.4 mm | |
Waterproof | No | |
Weight | 188 g | |
Design | Vivo Y51 | 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 | | 163.5 g |
Battery (2020, December) | Vivo Y51 | vivo Y91 |
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Capacity | Li-Po 5000 mAh, Fast charging 18W, 70% in 67 min (advertised) | |
Placement | Non-removable | |
Battery | Vivo Y51 | vivo Y91 |
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Battery capacity | | 4030 mAh, Non-removable Li-Po |
Other (2020, December) | Vivo Y51 | vivo Y91 |
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Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, | |
Other | Vivo Y51 | vivo Y91 |
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Release date | | 2018, November |
Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |