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Samsung Galaxy S6 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 LTE  
Dimensions 143.4 x 70.5 x 6.8 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 138 g N/A  
Display Type Super AMOLED capacitive touchscreen, 16M colors, TouchWiz UI IPS LCD Capacitive Touchscreen   120Hz  
Display Size 1440 x 2560 pixels, 5.1 inches (~70.7% screen to body ratio) (~554 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 4
Memory 32/64/128GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
RAM 3GB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.0 with A2DP v5.4 with A2DP, LE  
USB USB (microUSB v2.0 (MHL 3 TV-out), USB Host) USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 16 MP, 3456 x 4608 pixels, optical image stabilization, autofocus, LED flash, Geo-tagging, touch focus, face detection, Auto HDR, panorama, Video (2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec), Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 5 MP, 1080p@30fps, dual video call, Auto HDR 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v5.0 (Lollipop) Android 15 OS  
Chipset Exynos 7420 Mediatek Helio G81 (12 nm)  
Processor 1.5 Quad-Core GHz Cortex-A53, 2.1 GHz Quad-Core Cortex-A57 Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU GPU: Mali-T760 Mali-G52 MC2  
Sensors Accelerometer, gyro, proximity, compass, barometer, gesture, heart rate Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound 3.5mm audio jack, MP4/DivX/XviD/WMV/H.264/H.263 player, MP3/WAV/eAAC+/FLAC player, YouTube, Google Talk, ANT+ support, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White Pearl, Black Sapphire, Gold Platinum, Blue Topaz Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery 2550 mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
Misc GPS + A-GPS support & GLONASS, Wireless charging (Qi/PMA/WPC) - market dependent, Google Search, Maps, Gmail, S-Voice natural language commands and dictation, Nano-Sim, Smart stay, Smart pause, Smart scroll, Air gestures, OneDrive (115 GB cloud storage), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer, YouTube, Calendar, Samsung Pay (Visa, MasterCard certified), FFingerprint sensor (PayPal certified), Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m