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Lenovo S90 vs Tecno Spark 40

2G Network SIM1:GSM 850 / 900 / 1800 / 1900 SIM2:GSM 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 band 1(2100), 3(1800), 41(2500) LTE  
Dimensions 146 x 71.7 x 6.9 mm 165.6 x 77 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 129 g N/A  
Display Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD Capacitive Touchscreen   120Hz  
Display Size 5.0 inches, 720 x 1280 pixels (~294 ppi pixel density) 6.67 Inches   1080 x 2460 Pixels (~403 PPI)  
Multitouch Yes
Memory 16/32GB built-in 128/256GB Built-in, 4/6/8GB RAM  
Card slot microSDXC  
RAM 1/2GB 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 v5.4 with A2DP, LE  
USB USB (microUSB v2.0) USB Type-C  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 13 MP, 4208 x 3120 pixels, autofocus, LED flash, 1/3.2'' sensor size, 1.4?m pixel size, geo-tagging, touch focus, face detection, HDR, Video 1080p@30fps, Single Camera: 50 MP, (wide), PDAF Auxiliary lens, Dual LED Flash   Panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 8 MP, LED Flash 8 MP, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v4.4.4 (KitKat) Android 15 OS  
Chipset Qualcomm MSM89 Mediatek Helio G81 (12 nm)  
Processor 1.2 GHz Quad-Core Cortex-A53 Octa-core (2 x 2.0 GHz Cortex-A75 + 6x 1.8 GHz Cortex-A55)  
GPU GPU: Adreno 306 Mali-G52 MC2  
Sensors Accelerometer, proximity Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML HTML5  
Sound FM radio, 3.5mm Jack, MP3/WAV/WMA/eAAC+ player, MP4/WMV/H.264 player, Google talk, Games 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors White/silver, gray, pink, soft orange, blue Ink Black, Titanium Grey, Veil White, Mirage Blue  
Battery 2300 mAh 5200 mAh   - Fast battery 45W wired, 55 min to 100%  
Misc GPS + A-GPS support, Photo viewer/editor, Active noise cancellation with dedicated mic, Voice memo/dial, Dual SIM + Micro-SIM, dual stand-by), google Search, Maps, Gmail, YouTube, Calendar, Google Talk SMS(threaded view), MMS, Email, Push Mail, IM   IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m