vivo s1 pro vs vivo y51 in Pakistan

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Date Nov 2019 Dec 2020
Price Price In Rs Rs 39999 Rs 32999
Build OS Android 9.0 (Pie)   Android 10 OS  
UI Funtouch 9.2   Funtouch 10.0  
Dimensions 159.2 x 75.19 x 8.6 mm   159.25 x 75.19 x 8.68 mm  
Weight 186 g   186 g  
SIM Dual Sim, Dual Standby (Nano-SIM)   Hybrid Dual SIM, Dual Standby, (Nano-SIM)  
Colors Mystic Black, jazzy Blue, Dreamy White   Mystic Black, Jazzy Blue, Dreamy White  
Frequency 2G Band SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Band HSDPA 850 / 900 / 1900 / 2100   HSDPA 850 / 900 / 2100  
4G Band LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)   LTE band 1(2100), 5(850), 8(900), 40(2300)  
5G Band
Processor CPU Octa-core (4 x 2.0 GHz Kryo 260 Gold + 4 x 1.8 GHz Kryo 260 Silver)   Octa-core (4 x 2.0 GHz Kryo 260 Gold + 4 x 1.8 GHz Kryo 260 Silver)  
Chipset Qualcomm SDM665 Snapdragon 665 (11 nm)   Qualcomm SDM665 Snapdragon 665 (11 nm)  
GPU Adreno 610   Adreno 610  
Display Technology Super AMOLED capacitive touchscreen, 16M colors, Multitouch   Super AMOLED Capacitive Touchscreen, 16M Colors, Multitouch  
Size 6.38 Inches   6.4 Inches  
Resolution 1080 x 2340 1080 x 2340
Protection
Extra Features
Memory Built-in 128GB Built-in, 8GB RAM   128GB Built-in, 4GB RAM  
Card microSD Card, (supports up to 256GB)   microSDXC (dedicated slot)  
Camera Main Quad Camera: 48 MP, f/1.8, (wide), 1/2", PDAF + 8 MP, f/2.2, 13mm (ultrawide), 1/4" + 2 MP, f/2.4, 1/5", (dedicated macro camera) + 2 MP, f/2.4, depth sensor, LED Flash   Quad Camera: 48 MP, f/1.8 + 8 MP, f/2.2 + 2 MP, f/2.4 + 2 MP, f/2.4, LED Flash  
Features Phase detection, Geo-tagging, touch focus, face detection, HDR, panorama, Video (2160p@30fps, 1080p@30fps) Geo-tagging, Phase detection, Panorama, HDR, Video (4K@30fps, 1080p@30fps; gyro-EIS)
Front 32 MP, f/2.0, HDR, Video (1080p@30fps) 16 MP, f/2.0, (wide), 1/3.06  
Connectivity WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
Bluetooth v5.0 with A2DP, LE   v5.0 with A2DP  
GPS Yes + A-GPS support, & GLONASS, BDS, GALILEO   Yes + A-GPS support & Glonass, BDS, GALILEO  
Radio FM Radio  
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go   USB Type-C 2.0, USB On-The-Go  
NFC No   No  
Data GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE-A   GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE-A  
Features Sensors Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity   Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity  
Audio 3.5mm Audio Jack, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone   3.5mm Audio Jack, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone  
Browser HTML5   HTML5  
Messaging SMS(threaded view), MMS, Email, Push Mail, IM   SMS(threaded view), MMS, Email, Push Mail, IM  
Games Built-in + Downloadable   Built-in + Downloadable  
Torch Yes   Yes  
Extra Active noise cancellation with dedicated mic, Document viewer, Photo/video editor   Active noise cancellation with dedicated mic, Document viewer, Photo/video editor  
Battery Capacity (Li-Po Non removable), 4500 mAh   (Li-Po Non removable), 4500 mAh