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QMobile Bolt T400 vs Vivo Y28 8GB

2G Network SIM1: 850 /950 / 1800 /1900 SIM2: 850 /950 / 1800 /1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network WCDMA 1900/2100 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 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 LCD Display IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 760 nits (typ), 1000 nits (HBM)  
Display Size 4.5 Inches 6.68 Inches   720 x 1608 Pixels (~264 PPI)  
Memory 8 GB built-in 128GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2  
Card slot microSD card (supports up 32GB microSDXC (uses shared SIM slot)  
RAM 1 GB 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 with A2DP v5.0 with A2DP, LE  
USB USB USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + AGPS, GLONASS, BDS, GALILEO  
Main Camera 5 MP, LED Flash, 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 VGA 8 MP, f/2.1, (wide), Video (1080p@30fps)  
OS Android 4.4 (Kit Kat) Android 14 OS  
Chipset MediaTek Helio G85 SoC  
Processor 1.2 GHZ Quad-Core 2.0 Ghz Octa Core  
GPU Mali G57 MP2  
Sensors Light, proximity, Motion Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound FM Radio, 3.5mm audio jack, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player, Google Talk, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone   Smartphone deals
Colors Black Agate Green, Gleaming Orange  
Battery 1800 mAh (Non removable), 6000 mAh   - Fast battery 44W wired  
Misc Dual Sim, Dual Stand-by, GPS + A-GPS support, Google Search, Maps, Gmail, Youtube, Calendar, Torch, 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