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Microsoft Lumia 540 vs Tecno   Camon 40 Premier

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 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500)  
5G Network SA/NSA  
Dimensions 144 x 73.7 x 9.4 mm 161 x 75 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM  
Weight 152 g 193 g  
Display Type IPS LCD capacitive touchscreen, 16M colors LTPO AMOLED Capacitive Touchscreen, 1B Colors   Always-on display, HDR image support, 144Hz, HDR, 1600 nits (HBM)  
Display Size 5.0 inches, 720 x 1280 pixels (~294 ppi pixel density) 6.67 Inches   1260 x 2800 Pixels (~460 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 7i  
Memory 8GB built-in 256GB Built-in, 12GB RAM (+12GB Extended RAM), UFS 4.x  
Card slot microSD card(supports uo to 128 GB) No  
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 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, geo-tagging, Video (480p@30fps), Triple Camera: 50 MP, f/1.9, 23mm (wide), 1/1.56", PDAF, OIS + 50 MP, f/2.2, 70mm (periscope telephoto), 1/2.76", PDAF (15cm - ?), 3x optical zoom + 50 MP, f/2.2, 14mm, (ultrawide), 1/2.76", PDAF, Dual LED Flash   Panorama, HDR, Video (4K@30/60fps (HDR), 1080p@30fps)  
Front Camera 5 MP, 480p 50 MP, f/2.5, 24mm (wide), 1/2.8", PDAF, Video (4K@30fps, 1080p)  
OS Microsoft Windows Phone 8.1 with Lumia Denim Android 15 OS, up to 3 major Android upgrades  
Chipset Qualcomm Snapd Mediatek Dimensity 8350 (4 nm)  
Processor 1.2 GHz Quad-Core Cortex-A7 Octa-core (1 x 3.35 GHz Cortex-A715 + 3 x 3.20 GHz Cortex-A715 + 4 x 2.20 GHz Cortex-A510)  
GPU GPU: Adreno 302 Mali G615-MC6  
Sensors Accelerometer, proximity Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, Circle to Search  
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) 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Orange, white, black, gray, blue Emerald Lake Green, Galaxy Black  
Battery Music-Play Up to 81 hrs 2200 mAh Li-ion Si-Ca 5100 mAh   - Fast battery 70W wired  
StandBy Time Stand-by up to 576 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   IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min)