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Samsung Galaxy S2 Plus 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 band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500)  
Dimensions 125.3 x 66.1 x 8.5 mm 165.7 x 76 x 8 mm  
Sim Type Dual Sim, Hybrid Dual SIM (Nano-SIM)  
Weight 121 g 199 g  
Display Type Super AMOLED Plus capacitive touchscreen, 16M colors, TouchWiz UI v5.0 IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 760 nits (typ), 1000 nits (HBM)  
Display Size 480 x 800 pixels, 4.3 inches 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 1GB 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 v3.0 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 8MP, 3264x2448 pixels, autofocus, LED flash, geo-tagging, touch focus, face and smile detection, image stabilization, Video (1080p 30fps), 2ndary (2 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, v4.1.2 (Jelly Bean) Android 14 OS  
Chipset MediaTek Helio G85 SoC  
Processor Dual core 1.2 GHz, Broadcom BC28155 Chipset 2.0 Ghz Octa Core  
GPU Mali G57 MP2  
Sensors Accelerometer, gyro, proximity & compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5, Adobe Flash HTML5  
Sound Stereo FM radio with RDS, 3.5mm audio jack, MP4/DivX/XviD/WMV/H.264/H.263 player, MP3/WAV/eAAC+/AC3/FLAC player, SNS integration, YouTube, Google Talk, Google map, Picasa integration, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone   Smartphone deals
Colors Chic White, Dark Blue Agate Green, Gleaming Orange  
Battery Stand-by Up to 549 h (Non removable), 6000 mAh   - Fast battery 44W wired  
StandBy Time Stand-by Up to 549 h
Misc GPS + A-GPS support & GLONASS, GPU (Broadcom VideoCore IV), Active noise cancellation with dedicated mic, Document editor (Word, Excel, PowerPoint, PDF), 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