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Samsung Galaxy S2 Plus vs Xiaomi Redmi Note 8

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 / 1900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions 125.3 x 66.1 x 8.5 mm 158.3 x 75.3 x 8.4 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 121 g 190 g  
Display Type Super AMOLED Plus capacitive touchscreen, 16M colors, TouchWiz UI v5.0 IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch  
Display Size 480 x 800 pixels, 4.3 inches 1080 x 2340 Pixels (~409 PPI)  
Multitouch Yes
Memory 8GB built-in 64GB Built-in, 4GB RAM  
Card slot microSD card (supports up to 64GB) microSD Card, (supports up to 256GB) (uses SIM 2 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/ac, dual-band, Wi-Fi Direct, hotspot  
BlueTooth Bluetooth v3.0 with A2DP v5.0 with A2DP, LE  
USB USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go  
NFC No  
GPS Yes Yes + A-GPS support & Glonass, BDS  
Main Camera 8MP, 3264x2448 pixels, autofocus, LED flash, geo-tagging, touch focus, face and smile detection, image stabilization, Video (1080p 30fps), 2ndary (2 MP) Geo-tagging, Phase detection, touch focus, HDR, Panorama, Video ([email protected], [email protected]/60/120fps, [email protected], gyro-EIS)  
Front Camera 13 MP, HDR, panorama, Video ([email protected])  
OS Android OS, v4.1.2 (Jelly Bean) Android 9.0 (Pie)  
Chipset Qualcomm SDM665 Snapdragon 665 (11 nm)  
Processor Dual core 1.2 GHz, Broadcom BC28155 Chipset Octa-core (4 x 2.0 GHz Kryo 260 Gold + 4 x 1.8 GHz Kryo 260 Silver)  
GPU Adreno 610  
Sensors Accelerometer, gyro, proximity & compass Accelerometer, Compass, Fingerprint (rear mounted), Gyro, 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, XviD/MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone  
Colors Chic White, Dark Blue Crystal Green, Crystal Blue  
Battery Stand-by Up to 549 h - Fast battery charging 18W  
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 Active noise cancellation with dedicated mic, Photo/video editor, Document viewer