Mobiles Comparison

LG Optimus 4X HD, Nokia Lumia 820
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LG Optimus 4X HD

Nokia Lumia 820

 Display technology LCD AMOLED  
 Display Colour Colour  
 Number of colours 16,777,216 colours 16,777,216 colours   
 Scratch resistant display Yes Yes   
 Screen resolution 720x1280 pixels 4.7 inches  480x800 pixels ,4.3 inches  
 Screen size    
 Pixel density    
 Touchscreen Yes Yes   
 Simultaneous touch points 3+ Multi-touch  Multi-touch  
 Type of technology Capacitive Capacitive  
 Dual screens No No   
 Internal storage space 16,384 MB  8 GB  
 Memory card readers Yes Yes   
 SDIO No No   
 Compatible memory cards microSD/TransFlash, microSDHC  MicroSD  
 Maximum amount of memory 32GB  up to 32 GB  
 ROM memory No No   
 Memory quantity    
 Built-in camera Yes Yes   
 Auto focus Yes Yes   
 Built-in flash Yes Yes   
 Digital zoom (still image)    
 Camera Pixels 8 megapixels 8 megapixels   
 Maximum resolution (still) 3264x2448 pixels  3264x2448 pixels   
 Number of cameras 2 pc(s) 1 pc  
 Resolution 2nd camera 1280x1024 (SXGA) pixels    
 Optical zoom No No   
 Video recorder Yes Yes   
 Digital zoom (video) No No   
 Maximum numbers of fps when recording 30 fps 30 fps  
 Maximum resolution (video) 1920x1080 (HD 1080) pixels  1920x1080 (HD 1080) pixels  
 Torch/Lamp Yes No   
 Graphics processor Yes Yes   
 Graphics processor type GeForce ULP  Adreno 225   
 Processor core type Quad Core Dual Core   
 Processor speed 1.5 Ghz  1,500 Mhz Krait   
 RAM Yes Yes   
 Memory quantity 1,024 MB  1024 MB  
 SoC (System on Chip) Nvidia Tegra 3  Qualcomm Snapdragon S4 MSM8960   
 CPU type ARM Cortex-A9  Accelerometer, proximity  
 2G (GSM)       
 Stand-by time (2G) 588 h 330 h   
 Talk time (2G) 7 h  14 h   
 EDGE Yes Yes   
 GPRS Yes Yes   
 3G (UMTS) Yes Yes   
 Stand-by time (3G) 588 h 330 h  
 Talk time (3G) 7 h 8 h   
 HSPA Yes Yes   
 HSUPA: Speed (down) 21 Mbit/s  42 Mbps  
 HSDPA: Speed (up) 5.76 Mbit/s  5.76 Mbps  
 4G LTE       
 4G: Speed (down/up)    
 Stand by time (4G)    
 Talk time (4G)    
 Bluetooth Yes Yes   
 Bluetooth profile A2DP, AVRCP  A2DP,EDR  
 Version 4.0  v3.1  
 Built-in navigation system Yes Yes   
 Type of GPS A-GPS A-GPS  
 Integrated geotagging Yes Yes  
 IR No No   
 Support for IP telephony Yes No   
 Built-in SIP stack       
 Support via software       
 Supports NFC       
 Wireless network (Wi-Fi) Yes Yes   
 Supports media sharing Yes Yes   
 Type 802.11b, 802.11g, 802.11n  802.11 a/b/g/n  
 Colour Black, White  Black, Gray, Red, Yellow, White, Blue, Violet  
 Sliding No No   
 Physical keyboard/numpad    
 Features (detail) Alarm Clock, Calculators, Calendar, Compass, Dictaphone, Games, Media player, Notebook, T9, Timer, Vibrator, Watch  Calendar, Alarm, Document viewer (Office 2007, Office 2003, PDF), Calculator  
 Shock resistant No No   
 Dual SIM card support No No   
 Voice dialing Yes Yes   
 Water resistant       
 Supports wireless charging       
 Built-in wireless charging       
 DLNA certified Yes Yes   
 OpenGL ES Yes No   
 Version (OpenGL ES) 2.0   
 Java MIDP    
 3.5mm headphone output Yes Yes  
 Type of connection 3.5 mm 3.5 mm  
 USB Yes Yes   
 Charging via USB Yes Yes   
 Type of USB connector Micro-USB Micro-USB  
 USB version 2.0 v2.0  
 Dimensions (WxHxD) 68 131.9 8.9 mm  123.8 x 68.5 x 9.9 mm, 83.5 cc   
 Weight 130 g  160 g  
 Power Supply
 Battery capacity 2,140 mAh  Li-Ion 1650mAh  
 Exchangeable battery       
 Operating system    
 Release year 2012 2012  
Price 35,999-Rs 26,999-Rs