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Oppo R1k vs Tecno Spark 40

2G Network GSM: 850/900/1800/1900MHz SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  Best smartphone
3G Network WCDMA: 850/900/1900/2100 HSDPA 900 / 2100  
4G Network LTE  
Dimensions 142.7mm x 70.4mm x 7.1mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 140 g N/A  
Display Type QHD IPS touchscreen, 16M colors IPS LCD Capacitive Touchscreen   120Hz  
Display Size 5.0 Inches, 1280 x 720 pixels (~294 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Memory 16GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
RAM 1 GB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 Wi-Fi hotspot) Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.0 v5.4 with A2DP, LE  
USB USB USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 13MP, autofocus, Dual-LED flash, Geo-tagging, touch focus, face detection, Audio Photo, Video, 2ndary (5MP) 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 4.3 Android 15 OS  
Chipset Mediatek Helio G81 (12 nm)  
Processor Quad core 1.6 GHz, Qualcomm Snapdragon TM400 Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU Mali-G52 MC2  
Sensors Light sensor, Proximity, G-sensor, E-compass Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5 HTML5  
Sound 3.5mm audio jack, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player, SNS integration, Google Talk, Games (built-in + downloadable) 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery 2410mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
Misc GPS + A-GPS support, Face Unlock, Google Search, Maps, Gmail, Youtube, Calendar, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m