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LG Optimus L9 P768, LG Optimus 4X HD
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LG Optimus L9 P768

LG Optimus 4X HD

 Display technology  LCD  
 Display Colour Colour  
 Number of colours 16M 16,777,216 colours  
 Scratch resistant display No Yes   
 Screen resolution 540 x 960 pixels, 4.7 inches 720x1280 pixels 4.7 inches   
 Screen size    
 Pixel density    
 Touchscreen Yes Yes   
 Simultaneous touch points 3+ Multi-touch 3+ Multi-touch   
 Type of technology Capacitive Capacitive  
 Dual screens No No   
 Internal storage space 4 GB 16,384 MB   
 Memory card readers Yes Yes   
 SDIO No No   
 Compatible memory cards microSD microSD/TransFlash, microSDHC   
 Maximum amount of memory 32GB 32GB   
 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 5 megapixels 8 megapixels  
 Maximum resolution (still) 2592 x 1944 pixels 3264x2448 pixels   
 Number of cameras 1 pc 2 pc(s)  
 Resolution 2nd camera  1280x1024 (SXGA) pixels   
 Optical zoom No No   
 Video recorder Yes Yes   
 Digital zoom (video) Yes No   
 Maximum numbers of fps when recording 30 fps 30 fps  
 Maximum resolution (video) 1080p 1920x1080 (HD 1080) pixels   
 Torch/Lamp Yes Yes   
 Graphics processor Yes Yes   
 Graphics processor type PowerVR SGX540 GeForce ULP   
 Processor core type Dual-Core Quad Core  
 Processor speed 1 GHz 1.5 Ghz   
 RAM Yes Yes   
 Memory quantity 1GB 1,024 MB   
 SoC (System on Chip) TI OMAP 4430 Nvidia Tegra 3   
 CPU type ARM Cortex-A9 ARM Cortex-A9   
 2G (GSM)       
 Stand-by time (2G) Up to 830 h 588 h  
 Talk time (2G) Up to 12 h  7 h   
 EDGE Yes Yes   
 GPRS Yes Yes   
 3G (UMTS) Yes Yes   
 Stand-by time (3G) Up to 798 h 588 h  
 Talk time (3G) Up to 11 h 40 min 7 h  
 HSPA Yes Yes   
 HSUPA: Speed (down) 21 Mbit/s  21 Mbit/s   
 HSDPA: Speed (up) 5.76 Mbit/s  5.76 Mbit/s   
 4G LTE       
 4G: Speed (down/up)    
 Stand by time (4G)    
 Talk time (4G)    
 Bluetooth Yes Yes   
 Bluetooth profile A2DP, EDR A2DP, AVRCP   
 Version v3.0 4.0   
 Built-in navigation system Yes Yes   
 Type of GPS A-GPS A-GPS  
 Integrated geotagging Yes Yes  
 IR No No   
 Support for IP telephony No Yes   
 Built-in SIP stack       
 Support via software       
 Supports NFC       
 Wireless network (Wi-Fi) Yes Yes   
 Supports media sharing Yes Yes   
 Type 802.11 b/g/n 802.11b, 802.11g, 802.11n   
 Colour Black, White Black, White   
 Sliding No No   
 Physical keyboard/numpad    
 Features (detail)  Alarm Clock, Calculators, Calendar, Compass, Dictaphone, Games, Media player, Notebook, T9, Timer, Vibrator, Watch   
 Shock resistant No No   
 Dual SIM card support No No   
 Voice dialing No Yes   
 Water resistant       
 Supports wireless charging       
 Built-in wireless charging       
 DLNA certified Yes Yes   
 OpenGL ES No Yes   
 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 v2.0 2.0  
 Dimensions (WxHxD) 131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) 68 131.9 8.9 mm   
 Weight 125 g (4.41 oz) 130 g   
 Power Supply
 Battery capacity Li-Ion 2150 mAh battery 2,140 mAh   
 Exchangeable battery       
 Operating system    
 Release year 2012 2012  
Price 29,999-Rs 35,999-Rs