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Samsung Galaxy S3 Slim 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 / 2100 HSDPA 900 / 2100  
4G Network LTE  
Dimensions 133 x 66 x 9.7 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 139 g N/A  
Display Type TFT capacitive touchscreen, 16M colors, TouchWiz UI IPS LCD Capacitive Touchscreen   120Hz  
Display Size 540 x 960 pixels, 4.52 inches (~244 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Memory 8GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSD card (supports up to 32GB) microSDXC  
RAM 1GB 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 (microUSB v2.0) USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 5MP, 2592 ? 1944 pixels, autofocus, LED flash, geo-tagging, Video, 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, v4.2 (Jelly Bean) 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, proximity, compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML HTML5  
Sound 3.5mm audio jack, MP4/WMV/H.264/H.263 player, MP3/WAV/eAAC+/Flac 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 Black, White Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery 2100 mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
Misc GPS + A-GPS support & GLONASS, MicroSIM card support only, Document viewer, Google Search, Maps, Gmail, Calendar, Google Talk, Picasa, Predictive text input (Swype), Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m