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Rivo Rhythm RX90 vs Tecno Spark 40

2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  Best smartphone
3G Network WCDMA 900 / 2100   HSDPA 900 / 2100  
4G Network LTE  
Dimensions 141 x 71 x 7.9mm   165.6 x 77 x 7.7 mm  
Sim Type Micro-SIM   Nano-SIM + Nano-SIM  
Weight 131 g   N/A  
Display Type IPS LCD Capacitive Touchscreen   120Hz  
Display Size 720 x 1280 pixels (~294 PPI pixel density)   6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Protection Corning Gorilla Glass 3  
Memory 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSD card (supports up to 32GB)   microSDXC  
GPRS Yes
EDGE Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v4.0 with LE   v5.4 with A2DP, LE  
USB Yes   USB Type-C  
NFC No   No  
GPS No   Yes + A-GPS support  
Main Camera Sensors Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 5 MP Camera   8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android 15 OS  
Chipset MT6580   Mediatek Helio G81 (12 nm)  
Processor Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU Mali400-MP2   Mali-G52 MC2  
Sensors Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5   HTML5  
Sound 3.5mm audio jack, Speakerphone   3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White   Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery - Non-removable   5200 mAh   - Fast battery 45W wired, 55 min to 100%  
Misc Android native application, Micro-SIM, Google Search, Maps, Gmail, Youtube, Calendar, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player, Google Talk   SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m