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Samsung Galaxy K Zoom vs Vivo Y28 8GB

2G Network 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 800 / 850 / 900 / 1800 / 2100 / 2600 LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Dimensions 137.5 x 70.8 x 16.6 mm 165.7 x 76 x 8 mm  
Sim Type Dual Sim, Hybrid Dual SIM (Nano-SIM)  
Weight 200 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 720 x 1280 pixels, 4.8 inches (~306 ppi pixel density), Corning Gorilla Glass 3 6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Multitouch Yes
Memory 8GB built-in 128GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSD card (supports up to 64GB) microSDXC (uses shared SIM slot)  
RAM 2GB RAM
GPRS Yes Yes
WLAN WLAN (Wi-Fi 802.11 a/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 (MHL), USB On-the-go) USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + AGPS, GLONASS, BDS, GALILEO  
Main Camera 20.7MP, 5248 x 3936 pixels, auto/manual focus, 10x optical zoom (24-240mm), Xenon + LED flash, Optical image stabilization, 1/2.3'' sensor size, geo-tagging, touch focus, face and smile detection, HDR, panorama Video (1080p@60fps), 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 2MP 8 MP, f/2.1, (wide), Video (1080p@30fps)  
OS Android OS, v4.4.2 (KitKat) Android 14 OS  
Chipset MediaTek Helio G85 SoC  
Processor 1.3 GHz Quad-core Cortex A7 & 1.7 GHz dual-core Cortex A15, 2.0 Ghz Octa Core  
GPU Mali G57 MP2  
Sensors Accelerometer, gyro, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound 3.5mm audio jack, MP4/DivX/XviD/WMV/H.264/H.263 player, MP3/WAV/eAAC+/FLAC player, Dropbox (50 GB storage), TV-out (via MHL A/V link), 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 Charcoal Black, Electric Blue, Shimmery White Agate Green, Gleaming Orange  
Battery 2430 mAh Music play Up to 47 h (Non removable), 6000 mAh   - Fast battery 44W wired  
Misc GPS + A-GPS support & GLONASS, Active noise cancellation with dedicated mic, S-Voice natural language commands and dictation, Document viewer, Google Search, Maps, Gmail, Voice memo/dial/commands, Predictive text input (Swype), 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