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Samsung Galaxy K Zoom vs Oppo A3x 128GB

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 800 / 850 / 900 / 1800 / 2100 / 2600 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions 137.5 x 70.8 x 16.6 mm 165.8 x 76.1 x 7.7 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 200 g 186 g  
Display Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 1000 nits (HBM)  
Display Size 720 x 1280 pixels, 4.8 inches (~306 ppi pixel density), Corning Gorilla Glass 3 6.67 Inches   720 x 1604 Pixels (~264 PPI)  
Multitouch Yes
Protection Panda Glass  
Memory 8GB built-in 128GB Built-in, 4GB RAM, eMMC 5.1  
Card slot microSD card (supports up to 64GB) microSDXC  
RAM 2GB 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  
BlueTooth Bluetooth v4.0 with A2DP v5.0 with A2DP, LE  
USB USB (microUSB v2.0 (MHL), USB On-the-go) USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + A-GPS support, & GLONASS, BDS, GALILEO  
Main Camera 20.7MP, 5248 x 3936 pixels, auto/manual focus, 10x optical zoom (24-240mm), Xenon + LED flash, Optical image stabilization, 1/2.3'' sensor size, geo-tagging, touch focus, face and smile detection, HDR, panorama Video (1080p@60fps), Dual Camera: 8 MP, f/2.0, (wide), PDAF + Auxiliary lens, LED Flash   HDR, panorama, Video (1080p@30/60fps)  
Front Camera 2MP 5 MP, f/2.2, (wide), Video (1080p@30fps)  
OS Android OS, v4.4.2 (KitKat) Android 14 OS  
Chipset Qualcomm Snapdragon 6s Gen 1  
Processor 1.3 GHz Quad-core Cortex A7 & 1.7 GHz dual-core Cortex A15, Octa Core  
GPU Adreno 610  
Sensors Accelerometer, gyro, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound 3.5mm audio jack, MP4/DivX/XviD/WMV/H.264/H.263 player, MP3/WAV/eAAC+/FLAC player, Dropbox (50 GB storage), TV-out (via MHL A/V link), SNS integration, YouTube, Google Talk, Picasa integration, Games (built-in + downloadable) 3.5mm Audio Jack, Speaker Phone  
Colors Charcoal Black, Electric Blue, Shimmery White Nebula Red, Ocean Blue  
Battery 2430 mAh Music play Up to 47 h (Non removable), 5100 mAh   - Fast battery 45W wired, PD2.0, PPS, 50% in 30 min (advertised)  
Misc GPS + A-GPS support & GLONASS, Active noise cancellation with dedicated mic, S-Voice natural language commands and dictation, Document viewer, 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 MIL-STD-810H compliant*, * does not guarantee ruggedness or use in extreme conditions, Document editor, Photo/video editor