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Voice Xtreme V40 vs Tecno Spark 40

2G Network 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  Best smartphone
3G Network HSPDA HSDPA 900 / 2100  
4G Network LTE  
Available Available. Released 2013, September
Dimensions 165.6 x 77 x 7.7 mm  
Sim Type Dual SIM Nano-SIM + Nano-SIM  
Weight n/a N/A  
Display Type IPS QHD Touchscreen, 16M colors, Multitouch IPS LCD Capacitive Touchscreen   120Hz  
Display Size 4.5 inches, 540 X 960 Pixels 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Memory 4GB ROM + microSD card (supports up to 32GB) 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
RAM 512MB RAM
GPRS Yes, class 12
EDGE Yes, class 12
3G Yes, HSPDA R6 (21mbps, HSUPA 5.6mbps)
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth 2.1 v5.4 with A2DP, LE  
USB Yes, microUSB USB Type-C  
NFC No  
GPS GPS + A-GPS Yes + A-GPS support  
Main Camera 8 MP Full focus, 2500 x 1900 pp, Flash Rear, continuous shooting, Face & smile detection, Video (720p30fps) Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 1.3 Mp 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android 4.2 Jelly Bean Android 15 OS  
Chipset Mediatek Helio G81 (12 nm)  
Processor 1.2 GHz Dual Core, Cortex A7 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 HTML5  
Radio FM radio
Sound 3.5mm HeadJack, Loud Speaker 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White, Black, Blue Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery n/a 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
StandBy Time Up to 14 days
TalkTime Up to 5 h
Misc SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m