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Samsung Galaxy A3 vs Vivo Y28 8GB

2G Network Sim1: 850 / 900 / 1800 / 1900 Sim2: 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 LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Dimensions 130.1 x 65.5 x 6.9 mm 165.7 x 76 x 8 mm  
Sim Type Dual Sim, Hybrid Dual SIM (Nano-SIM)  
Weight 110.3 g 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 540 x 960 pixels, 4.5 inches (~245 ppi pixel density) 6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Multitouch Yes
Memory 16GB built-in 128GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSD card (supports up to 64GB) ((single SIM version) microSDXC (uses shared SIM slot)  
RAM 1.5GB 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 v4.0 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 8 MP, 3264 x 2448 pixels, autofocus, LED flash, Geo-tagging, touch focus, face detection, panorama, Video, 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 5 MP 8 MP, f/2.1, (wide), Video (1080p@30fps)  
OS Android OS, v4.4.4 (KitKat) Android 14 OS  
Chipset GPU: Adreno 30 MediaTek Helio G85 SoC  
Processor 1.2 GHz Quad-Core Cortex-A53, Qualcomm MSM8916 Snapdragon 410 2.0 Ghz Octa Core  
GPU GPU: Adreno 306 Mali G57 MP2  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound FM Radio (Not Yet Confirmed), 3.5mm audio jack, MP4/WMV/H.264 player, MP3/WAV/WMA/eAAC+/FLAC player, SNS integration, YouTube, Google Talk, Picasa integration, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone   Smartphone deals
Colors Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light Blue, Champagne Gold Agate Green, Gleaming Orange  
Battery 1900 mAh (Non removable), 6000 mAh   - Fast battery 44W wired  
Misc GPS + A-GPS support & GLONASS, Dual Sim, (Dual Stand-by), Active noise cancellation with dedicated mic, ANT+ support, Document editor, Google Search, Maps, Gmail, Voice memo/dial/commands, 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