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Samsung Galaxy A3 2017 vs Infinix Smart 20 128GB

2G Network SIM1:GSM 850 / 900 / 1800 / 1900 SIM2: 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 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) LTE  
Dimensions N/a 167.7 x 78.8 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight N/a N/A  
Display Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen   120Hz, 700 nits (HBM)  
Display Size 4.7 Inches, 720 x 1280 pixels (~312 ppi pixel density) 6.78 Inches   720 x 1600 Pixels (~259 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 4
Memory 8/16GB built-in 128GB Built-in, 4GB RAM, eMMC 5.1  
Card slot microSD card (supports up to 256GB) (uses SIM 2 slot) microSDXC (dedicated slot)  
RAM 2GB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.1 with A2DP v5.0 with A2DP, LE  
USB USB (microUSB v2.0) USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes Yes + A-GPS support  
Main Camera 12 MP Single Camera: 8 MP, f/2.0, (wide), 1/4.0", AF, Dual LED Flash   panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 8 MP, f/2.0, (wide), 1/4.0", Video (1440p@30fps, 1080p@30fps)  
OS Android OS, v6.0.1 (Marshmallow)  Android 16 OS  
Chipset 1.5 GHz Octa-core Mediatek Helio G81 Ultimate (12 nm)  
Processor Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU GPU: Mali-T830MP2 Mali-G52 MC2  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (side mounted), Proximity  
Browser HTML5 HTML5  
Sound FM Radio, 3.5mm audio jack, MP4/WMV/H.264 player, MP3/WAV/WMA/eAAC+/FLAC player, YouTube, Google Talk, Picasa integration, Games (built-in + downloadable) 3.5mm Audio Jack, Speaker  Phone  
Colors Black, White, Gold, Pink Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange  
Battery Non-removable Li-Ion battery 5200 mAh   - Battery Charging 15W wired, 5W reverse wired  
Misc GPS + A-GPS support & GLONASS, Single SIM + Nano-SIM) or Dual SIM + Nano-SIM, dual stand-by), Active noise cancellation with dedicated mic, ANT+ support, Document viewer, Photo/video editor, Google Search, Maps, Gmail, YouTube, Calendar, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   Glass front, plastic back, plastic frame, IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m