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Haier W919 vs Vivo Y28 8GB

2G Network GSM 900 / 1800 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Dimensions 161?82?8.9mm 165.7 x 76 x 8 mm  
Sim Type Dual Sim, Hybrid Dual SIM (Nano-SIM)  
Weight N/a 199 g  
Display Type FWVGA IPS Screen IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 760 nits (typ), 1000 nits (HBM)  
Display Size 6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Memory 8GB built-in 1 GB RAM 128GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSD card (supports up to 32GB) microSDXC (uses shared SIM slot)  
GPRS Yes Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n) Wi-Fi 802.11 a/b/g/n, dual-band  
BlueTooth Bluetooth BT4.0+EDR v5.0 with A2DP, LE  
USB USB USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + AGPS, GLONASS, BDS, GALILEO  
Main Camera 13MP, autofocus, Video 1080Pfps, 2ndary 8MP 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 v4.2 Android 14 OS  
Chipset MediaTek Helio G85 SoC  
Processor 1.2GHz Quadcore 2.0 Ghz Octa Core  
GPU Mali G57 MP2  
Sensors Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML HTML5  
Sound FM Radio, 3.5mm audio jack, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player, SNS integration, Google Talk, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone   Smartphone deals
Colors White,Black Agate Green, Gleaming Orange  
Battery 2630 mAh (Non removable), 6000 mAh   - Fast battery 44W wired  
Misc GPS + A-GPS support, Google Search, Maps, Gmail, Youtube, office, Calendar,Google Play Store, 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