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Microsoft Lumia 640 Dual SIM vs Infinix Note 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  
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)  
Dimensions 141.3 x 72.2 x 8.8 mm 164.1 x 74.5 x 7.8 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 145 g 190 g  
Display Type IPS LCD capacitive touchscreen, 16M colors, ClearBlack display AMOLED Capacitive Touchscreen, Multitouch   120Hz, 1300 nits (peak)  
Display Size 5.0 inches (~67.6% screen to body ratio), 720 x 1280 pixels (~294 ppi pixel density) 6.78 Inches   1080 x 2436 Pixels (~393 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 3 Corning Concore Glass  
Memory 8GB built-in 256GB Built-in, 8GB RAM, UFS 2.2  
Card slot microSD card (supports up to 128GB) Unspecified  
RAM 1GB RAM
GPRS Yes 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 v5.1 with A2DP, LE  
USB USB (microUSB v2.0) USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes Yes + A-GPS support  
Main Camera 8 MP, 3264 x 2448 pixels, autofocus, LED flash, 1/4'' sensor size, Video (1080p@30fps), Triple Camera: 108 MP, f/1.9, (wide), 1/1.52", PDAF + 2 MP, f/2.4 + 3rd unspecified camera, Quad LED Flash   HDR, Panorama, Video (1440p@30fps, 1080p@30/60fps)  
Front Camera 1 MP, 720p 32 MP, f/2.2, (wide), 1/3.1  
OS Microsoft Windows Phone 8.1 with Lumia Denim Android 14 OS  
Chipset Qualcomm Snapd Mediatek Helio G99 Ultimate  
Processor 1.2 GHz Quad-Core Cortex-A7 Octa-core (2 x 2.2 GHz Cortex-A76 + 6 x 2.0 GHz Cortex-A55)  
GPU GPU: Adreno 305 Arm Mali G57  
Sensors Accelerometer, proximity, compass Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity  
Browser HTML5 HTML5  
Sound Stereo FM radio with RDS, 3.5mm audio jack, MP4/H.264/H.263/WMV player, MP3/WAV/eAAC+/WMA player, Video/photo editor, Games (built-in) Tuned by JBL, 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Glossy cyan, Orange, White, Matte black Titan Gold, Obsidian Black  
Battery 30 min 2500 mAh (Non removable), 5000 mAh   - Fast battery 45W wired, 50% in 26 min (advertised) 20W, wireless MagCharge, Reverse wired, Reverse wireless  
StandBy Time Stand-by up to 840 hrs
TalkTime Talk-time up to 27 hrs
Misc GPS + A-GPS support, GPU, Dual SIM (Micro-SIM, dual stand-by), Active noise cancellation with dedicated mic, Document viewer/editor, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   IP53, NFC (market/region dependent), IP54, dust and splash resistant, Photo/video editor, Document viewer