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Samsung Galaxy A3 2017 vs Vivo Y28 8GB

2G Network SIM1:GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Dimensions N/a 165.7 x 76 x 8 mm  
Sim Type Dual Sim, Hybrid Dual SIM (Nano-SIM)  
Weight N/a 199 g  
Display Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 760 nits (typ), 1000 nits (HBM)  
Display Size 4.7 Inches, 720 x 1280 pixels (~312 ppi pixel density) 6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 4
Memory 8/16GB built-in 128GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSD card (supports up to 256GB) (uses SIM 2 slot) microSDXC (uses shared SIM slot)  
RAM 2GB RAM
GPRS Yes Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual-band  
BlueTooth Bluetooth v4.1 with A2DP v5.0 with A2DP, LE  
USB USB (microUSB v2.0) USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + AGPS, GLONASS, BDS, GALILEO  
Main Camera 12 MP Dual Camera: 50 MP, f/1.8, (wide), PDAF + 2 MP, f/2.4, (depth), LED Flash   Geo-tagging, Phase detection, Panorama, HDR, Video (1080p@30fps)  
Front Camera 8 MP, f/2.1, (wide), Video (1080p@30fps)  
OS Android OS, v6.0.1 (Marshmallow) Android 14 OS  
Chipset 1.5 GHz Octa-core MediaTek Helio G85 SoC  
Processor 2.0 Ghz Octa Core  
GPU GPU: Mali-T830MP2 Mali G57 MP2  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound FM Radio, 3.5mm audio jack, MP4/WMV/H.264 player, MP3/WAV/WMA/eAAC+/FLAC player, YouTube, Google Talk, Picasa integration, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone   Smartphone deals
Colors Black, White, Gold, Pink Agate Green, Gleaming Orange  
Battery Non-removable Li-Ion battery (Non removable), 6000 mAh   - Fast battery 44W wired  
Misc GPS + A-GPS support & GLONASS, Single SIM + Nano-SIM) or Dual SIM + Nano-SIM, dual stand-by), Active noise cancellation with dedicated mic, ANT+ support, Document viewer, Photo/video editor, Google Search, Maps, Gmail, YouTube, Calendar, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   Notification LED round light on the back, Glass front, plastic frame, plastic back, IP64 dust/water resistant, Document viewer, Photo/video editor