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Nokia Lumia 820 vs Tecno Camon 40 Pro

2G Network 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 / 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)  
Available Available 2013
Dimensions 164.4 x 74.3 x 7.3 mm  
Sim Type Micro-SIM Nano-SIM + Nano-SIM  
Weight 160 g (5.64 oz) 178 g  
Display Type AMOLED capacitive touchscreen, 16M colors AMOLED Capacitive Touchscreen   Always-on display, HDR image support  
Display Size 6.8 Inches   1080 x 2436 Pixels (~393 PPI)  
Protection Corning Gorilla Glass 7i  
Memory 8 GB storage, 1 GB RAM 256GB Built-in, 8GB RAM  
Card slot Unspecified  
RAM 1 GB
GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
EDGE Class 12
3G Yes
WLAN Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band  
Infrared No
BlueTooth Yes, v3.1 with A2DP, EDR v5.3 with A2DP, LE  
USB Yes, microUSB v2.0 USB Type-C 2.0, OTG  
NFC Yes  
GPS Yes, with A-GPS support and GLONASS Yes + A-GPS support  
Main Camera Dual Camera: 50 MP, f/1.9, 23mm (wide), 1/1.56", PDAF, OIS + 8 MP, (ultrawide), Dual LED Flash   Panorama, HDR, Video (4K@30/60fps (HDR), 1080p@30fps)  
Front Camera 50 MP, f/2.5, 24mm (wide), 1/2.8", PDAF  
OS Microsoft Windows Phone 8 Android 15 OS  
Chipset Mediatek Helio G100 Ultimate (6 nm)  
Processor Qualcomm MSM8960 Snapdragon, Dual-core 1.5 GHz Krait, GPU Adreno 225 Octa-core (2 x 2.2 GHz Cortex-A76 + 6 x 2.0 GHz Cortex-A55)  
GPU Mali-G57 MC2  
Sensors Accelerometer, Circle to Search, Compass, Fingerprint (under display, optical), Gyro, Proximity  
Browser HTML5 HTML5  
Radio No
Sound Vibration; MP3, WAV ringtones 24-bit/192kHz Hi-Res audio, Speaker Phone  
Colors Black, Gray, Red, Yellow, White, Blue, Violet Emerald Lake Green, Galaxy Black, Glacier White  
Battery 5200 mAh   - Fast battery 45W wired, 50% in 23 min, 100% in 43 min  
StandBy Time Standard battery, Li-Ion 1650 mAh (BP-5T)
TalkTime Up to 330 h (2G) / Up to 330 h (3G)
Misc 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)