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LG G Flex 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 900 / 2100 HSDPA 900 / 2100  
4G Network LTE 800 / 1800 / 2600 LTE  
Available Available. Released 2014, February
Dimensions 160.5 x 81.6 x 8.7 mm (6.32 x 3.21 x 0.34 in) 165.6 x 77 x 7.7 mm  
Sim Type Micro-SIM Nano-SIM + Nano-SIM  
Weight 177 g (6.24 oz) N/A  
Display Type Curved P-OLED capacitive touchscreen, 16M colors, IPS LCD Capacitive Touchscreen   120Hz  
Display Size 720 x 1280 pixels, 6.0 inches (~245 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 2
Memory Internal: 32GB 128/256GB Built-in, 4/6/8GB RAM  
Card slot No microSDXC  
RAM 2 GB
GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
EDGE Class 12
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band  
Infrared Yes
BlueTooth Yes, v4.0 with A2DP, LE v5.4 with A2DP, LE  
USB Yes, microUSB v3.0, USB On-the-go, USB Host USB Type-C  
NFC Yes No  
GPS Yes, with A-GPS support and GLONASS Yes + A-GPS support  
Main Camera 13 MP, 4160 x 3120 pixels, autofocus, LED flash, Video: 1080p@60fps Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera Yes, 2.1 MP, Video: 1080p@30fps 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v4.2.2 (Jelly Bean) Android 15 OS  
Chipset Qualcomm MSM8974 Snapdragon 800 Mediatek Helio G81 (12 nm)  
Processor Quad-core 2.26 GHz Krait 400 Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU Adreno 330 Mali-G52 MC2  
Sensors Accelerometer, gyro, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Radio Stereo FM radio with RDS
Sound 3.5mm HeadJack, Loud Speaker, MP3/MP4, Audio Player, Video Player, Dolby mobile sound enhancement 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Titan silver Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery Non-removable Li-Po 3500 mAh battery 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
StandBy Time Up to 720 h
TalkTime Up to 15 h
Misc Curved body and display, Self-healing back panel coating SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m