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LG Optimus 4X HD P880 vs Tecno Spark 40

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  Best smartphone
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100  
4G Network LTE  
Dimensions 132.4 x 68.1 x 8.9 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 133 g N/A  
Display Type True HD-IPS LCD capacitive touchscreen, 16M colors, Multi-touch, Optimus UI v3.0 IPS LCD Capacitive Touchscreen   120Hz  
Display Size 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Protection Corning Gorilla Glass 2
Memory 16 GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
RAM 1GB RAM
GPRS 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 v5.4 with A2DP, LE  
USB USB USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 8MP, 3264x2448 pixels, autofocus, LED flash, Geo-tagging, face and smile detection, photo sphere, image stabilization, Video (30fps), 2ndary 1.3MP Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v4.0 (Ice Cream Sandwich) Android 15 OS  
Chipset Mediatek Helio G81 (12 nm)  
Processor Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 chipset Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU Mali-G52 MC2  
Sensors Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
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, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Black, White Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery Stand-by Up to 730 h 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
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   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m