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LG Optimus 4X HD P880 vs Samsung Galaxy A73

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), 20(800), 38(2600), 40(2300), 41(2500)  
5G Network SA/NSA  
Dimensions 132.4 x 68.1 x 8.9 mm 163.7 x 76.1 x 7.6 mm  
Sim Type Hybrid Dual SIM, Dual Standby, (Nano-SIM)  
Weight 133 g 181 g  
Display Type True HD-IPS LCD capacitive touchscreen, 16M colors, Multi-touch, Optimus UI v3.0 Super AMOLED Plus Capacitive touchscreen, Multitouch   90Hz  
Display Size 6.7 Inches   1080 x 2400 Pixels (~393 PPI)  
Protection Corning Gorilla Glass 2 Corning Gorilla Glass  
Memory 16 GB built-in 256GB Built-in, 8GB RAM  
Card slot microSD Card, (supports up to 1TB)  
RAM 1GB RAM
GPRS Yes Yes
EDGE Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot  
BlueTooth Bluetooth v4.0 with A2DP v5.0 with A2DP, LE  
USB USB USB Type-C 2.0, USB On-The-Go  
NFC Yes  
GPS Yes Yes + A-GPS support & Glonass, BDS, GALILEO, BDS  
Main Camera 8MP, 3264x2448 pixels, autofocus, LED flash, Geo-tagging, face and smile detection, photo sphere, image stabilization, Video (30fps), 2ndary 1.3MP Quad Camera: 108 MP, f/1.8, (wide), PDAF, OIS + 12 MP, f/2.2, (ultrawide) + 5 MP, f/2.4, (macro) + 5 MP, f/2.4, (depth), LED Flash   panorama, HDR, Video (4K@30fps, 1080p@30/60fps; gyro-EIS)  
Front Camera 32 MP, f/2.2, 26mm (wide), 1/2.8", HDR, Video (4K@30fps, 1080p@30fps)  
OS Android OS, v4.0 (Ice Cream Sandwich) Android 12 OS  
Chipset Qualcomm SM7325 Snapdragon 778G 5G (6 nm)  
Processor Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 chipset Octa-core (4 x 2.4 GHz Kryo 670 + 4 x 1.8 GHz Kryo 670)  
GPU Adreno 642L  
Sensors Accelerometer, gyro, proximity, compass, Fingerprint (under display, optical)  
Browser HTML5, Adobe Flash HTML5  
Sound Stereo FM Radio, 3.5mm jack, DivX/Xvid/MP4/DivX/XviD/H.264/H.263 player, MP3/WAV/WMA/eAAC+ player, Google Search, Maps, Gmail, YouTube, Google Talk, Picasa, Games (built-in) 3.5mm Audio Jack (Unspecified), Speaker Phone  
Colors Black, White Gray, Mint, White  
Battery Stand-by Up to 730 h (Li-Po Non removable), 5000 mAh   - Fast charging 25W  
StandBy Time Stand-by Up to 730 h
Misc GPS + A-GPS support, SNS integration, Active noise cancellation with dedicated mic, Document viewer (Word, Excel, PowerPoint, PDF), Organizer, Voice memo, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   NFC (market dependent), IP67 dust/water resistant (up to 1m for 30 mins), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer