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Samsung Galaxy S Duos S7562 vs Vivo Y19s

2G Network SIM 1: GSM 850 / 900 / 1800 / 1900SIM 2: GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 5(850), 8(900), 40(2300)  
Dimensions 121.5 x 63.1 x 10.5 mm 165.8 x 76.1 x 8.1 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 120 g 198 g  
Display Type TFT capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen, 16M Colors   90Hz, 1000 nits (HBM)  
Display Size 480 x 800 pixels, 4 inches (~233 ppi pixel density) 6.68 Inches   720 x 1612 Pixels (~264 PPI)  
Memory 4GB built-in 128GB Built-in, 6GB RAM, eMMC 5.1  
Card slot microSD card (supports up to 32GB) microSDXC (dedicated slot)  
RAM 768 RAM
GPRS Yes Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v3.0 with A2DP v5.2 with A2DP, LE  
USB USB USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS  
Main Camera 5MP, 2592x1944 pixels, Video (VGA 30fps), autofocus, Geo-tagging Dual Camera: 50 MP, f/1.8, (wide), 1/1.95", PDAF + Auxiliary lens, Ring-LED flash   Panorama, Video (1080p@30fps)  
Front Camera 5 MP, f/2.2  
OS Android OS, v4.0 (Ice Cream Sandwich) Android 14 OS  
Chipset GPU Adreno 20 Unisoc Tiger T612 (12 nm)  
Processor 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon Octa-core (2 x 1.8 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU GPU Adreno 200 Mali-G57  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML, Flash HTML5  
Sound Stereo FM Radio with RDS, MP4/H.264/H.263 player, MP3/WAV/eAAC+ player, Youtube, Google Talk, Games (built-in + downloadable) 3.5mm Audio Jack, Dual Speaker  
Colors White Pearl Silver, Glossy Black, Glacier Blue  
Battery Talk time Up to 13 hrsStand-by Up to 445 hrs1500mAh (Li-ion Non removable), 5500 mAh   - Battery charging 15W wired, Reverse wired  
StandBy Time Talk time Up to 13 hrsStand-by Up to 445 hrs1500mAh
Misc GPS with A-GPS support, Dual SIM (dual stand-by), Organizer, Document editor, Image editor, Google Search, Maps, Gmail, Calendar, Picasa integration, Voice memo/dial, Predictive text input (Swype), Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   Glass front, plastic back, plastic frame, IP64, dust and water resistant, MIL-STD-810H compliant*, * does not guarantee ruggedness or use in extreme conditions, Document viewer, Photo/video editor