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Samsung Galaxy Core 2 vs Tecno Spark 40

2G Network SIM1 850 / 900 / 1800 / 1900 SIM2 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  
Dimensions 130.3 x 68 x 9.8 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 138 g N/A  
Display Type TFT capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen   120Hz  
Display Size 4.5 inches 480 x 800 pixels (~207 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Memory 4GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSD card (supports up to 64GB) microSDXC  
RAM 768MB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 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 V2.0 USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 5MP, 2592 x 1944 pixels, autofocus, LED flash, geo-tagging, touch focus, face and smile detection, Video (480p@30fps), 2ndary VGA 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, v4.4.2 (KitKat) Android 15 OS  
Chipset Mediatek Helio G81 (12 nm)  
Processor 1.2 GHz Quad-Core Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU Mali-G52 MC2  
Sensors Accelerometer Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML 5 HTML5  
Sound FM radio, 3.5mm audio jack, MP4/H.264/H.263 player, MP3/WAV/eAAC+ player, SNS integration, YouTube, Google Talk, Image/video editor, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White, Black Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery 2000mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
Misc GPS + A-GPS support & GLONASS, Document viewer, Google Search, Maps, Gmail, Predictive text input,Google Talk, Picasa, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m