Want to compare Vivo Y51 vs Vivo S1 Pro mobile? You have come to the right place. Here you can find Vivo Y51 vs Vivo S1 Pro comparison based on display size, processor speed, camera resolution, user experience, memory size, connectivity strength, and overall dimension.

Related: Check out latest Vivo Y51 price on Priceo.

On one hand, Vivo Y51 features a 6.58 inch IPS LCD type display having a resolution of 1018 x 2408 pixels and a pixel density of 401PPI. The brand is offering a 16MP f/2.0 selfie-shooting lens on the front. The non-replaceable powerhouse is also compatible with the 18W Fast Charging facility. Vivo Y51 2020 offers 128GB internal storage which can be expandable up to 1TB. 

On the other hand,  Vivo S1 Pro has a 6.38-inch FHD+ Super AMOLED display, with a screen resolution of 1080 x 2340 pixels and a pixel density of 404 ppi, offering an impressive cinematic experience. On the front side, it has a 32MP selfie camera for capturing detailed self-portraits. The best in class 8GB RAM and Adreno 610 GPU combine together to offer a seamless gaming experience. Vivo S1 Pro offers 128GB internal storage, that can be expanded up to 256GB as per user`s requirements. 

Our recommendation: We recommend you to buy Vivo S1 Pro over Vivo Y51.

Vivo Y51 vs Vivo S1 Pro Comparison Table

Key Specs
Display6.38-inch6.38-inch
ProcessorQualcomm Snapdragon 665Qualcomm Snapdragon 665
Front Camera16-megapixel32-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM4GB8GB
Storage128GB128GB
Battery Capacity4500mAh4500mAh
OSAndroid 10Android 9 Pie
Resolution2340×1080 pixels1080×2340 pixels
Ratings
Overall Rating
Design Rating 
Display Rating 
Software Rating 
Performance Rating 
Battery Life Rating 
Camera Rating 
Value for Money Rating 
General
BrandVivoVivo
ModelY51 (2020)S1 Pro
Release dateSeptember 16, 2020November 19, 2019
Form factorTouchscreenTouchscreen
Dimensions (mm)159.25 x 75.19 x 8.68159.25 x 75.19 x 8.68
Weight (g)186.70186.70
Battery capacity (mAh)45004500
Fast chargingProprietaryProprietary
ColoursMystic Black, Jazzy Blue, Dreamy WhiteMystic Black, Jazzy Blue & Dreamy White
Launched in IndiaNo
Body typePlastic
Removable batteryNo
Wireless chargingNo
Display
Screen size (inches)6.386.38
TouchscreenYesYes
Resolution2340×1080 pixels1080×2340 pixels
Aspect ratio19.5:9
Hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 665Qualcomm Snapdragon 665
RAM4GB8GB
Internal storage128GB128GB
Expandable storageYes
Expandable storage typemicroSD
Expandable storage up to (GB)256
Dedicated microSD slotYes
Camera
Rear camera48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
Rear flashYesYes
Front camera16-megapixel (f/2.0)32-megapixel (f/2.0)
Rear autofocusYes
Software
Operating systemAndroid 10Android 9 Pie
SkinFuntouch OS 10Funtouch OS 9.2
Connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB Type-CYesYes
FMYesYes
Number of SIMs22
USB OTGYes
Sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
Sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes
Face unlockYes
In-Display Fingerprint SensorYes