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Samsung Galaxy S7 vs Oppo A18 128GB

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA HSDPA 850 / 900 / 2100  
4G Network LTE LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions N/a 163.7 x 75 x 8.2 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight N/a 188 g  
Display Type QHD Display, 16M colors IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 720 nits (peak)  
Display Size 5.7 inches 6.56 Inches   720 x 1612 Pixels (~269 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass  
Memory 64GB built-in 128GB Built-in, 4GB RAM (+4GB virtual RAM)  
Card slot microSD card (supports up to 128GB) microSDXC  
RAM 4GB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.1 with A2DP v5.3 with A2DP, LE, aptX  
USB USB (microUSB v3.0 (MHL 2.1), USB On-the-go, USB Host) USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + A-GPS support & Glonass, BDS, GALILEO  
Main Camera 20 MP Autofocus, LED flash, Dual Shot, Simultaneous HD video and image recording, geo-tagging, touch focus, face/smile detection, HDR, Video, Dual Camera: 8 MP, f/2.0, (wide), AF + 2 MP, f/2.4, (depth, LED Flash   Geo-tagging, touch focus, face detection, panorama, HDR, Video (1080p@30fps)  
Front Camera 5 MP 5 MP, f/2.2, (wide), Panorama, Video (1080p@30fps)  
OS Android 5.1.1 Lollipop Android 13 OS  
Chipset Mediatek MT6769 Helio G85 (12nm)  
Processor Hexa-Core, Qualcomm's Snapdragon 820 Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU Arm Mali-G52  
Sensors Accelerometer, gyro, proximity, compass, barometer, gesture, heart rate Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound Fm Radio, 3.5mm audio jack, MP4/DivX/XviD/WMV/H.264/H.263 player, MP3/WAV/eAAC+/FLAC player, SNS integration, YouTube, Google Talk, Picasa integration, Games (built-in + downloadable) 3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker  Phone  
Colors Various Glowing Black, Glowing Blue  
Battery N/a (Li-Po Non removable), 5000 mAh  
Misc GPS + A-GPS support & GLONASS, Active noise cancellation with dedicated mic, ANT+ support, ANT+ support, 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   IP54, dust and splash resistant, Photo/video editor, Document viewer