Mobiles Comparison

Nokia Lumia 640
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Nokia Lumia 640

 Display technology IPS LCD   
 Display Colour   
 Number of colours 16M colors   
 Scratch resistant display Yes     
 Protection Corning Gorilla Glass 3   
 Screen resolution 720 x 1280 pixels   
 Screen size 5.0 Inches   
 Pixel density ~294 ppi   
 Touchscreen Yes     
 Simultaneous touch points    
 Type of technology Capacitive   
 Dual screens No     
 Internal storage space 8GB   
 Memory card readers Yes     
 SDIO No     
 Compatible memory cards Micro SD   
 Maximum amount of memory 128GB   
 ROM memory No     
 Memory quantity    
 Built-in camera Yes     
 Auto focus Yes     
 Built-in flash       
 Digital zoom (still image)    
 Camera Pixels 8 MP   
 Maximum resolution (still) 3264 x 2448 pixels   
 Number of cameras 2 pc   
 Resolution 2nd camera 1 MP   
 Optical zoom Yes     
 Video recorder Yes     
 Digital zoom (video)       
 Maximum numbers of fps when recording 30fps   
 Maximum resolution (video) 720p   
 Torch/Lamp Yes     
 Graphics processor Yes     
 Graphics processor type Adreno 305   
 Processor core type Quad-Core   
 Processor speed 1.2GHz   
 RAM Yes     
 Memory quantity 1GB   
 SoC (System on Chip) Qualcomm Snapdragon 400   
 CPU type Cortex-A7   
 2G (GSM) Yes     
 Stand-by time (2G) Up to 864 h   
 Talk time (2G) 26 h 30 min   
 EDGE Yes     
 GPRS Yes     
 3G (UMTS) Yes     
 Stand-by time (3G) Up to 864 h   
 Talk time (3G) Up to 17 h 30 min   
 HSPA Yes     
 HSUPA: Speed (down) 42.2Mbps   
 HSDPA: Speed (up) 5.76 Mbps   
 4G LTE Yes     
 4G: Speed (down/up)    
 Stand by time (4G)    
 Talk time (4G)    
 Bluetooth Yes     
 Bluetooth profile A2DP   
 Version v4.0    
 Built-in navigation system Yes     
 Type of GPS A-GPS   
 Integrated geotagging Yes   
 Support for IP telephony       
 Built-in SIP stack       
 Support via software       
 Supports NFC No     
 Wireless network (Wi-Fi) Yes     
 Supports media sharing       
 Type 802.11 b/g/n   
 Colour Glossy cyan, Orange, White, Matte black   
 Sliding No     
 Physical keyboard/numpad No   
 Features (detail)    
 Shock resistant       
 Dual SIM card support Yes     
 Voice dialing       
 Water resistant       
 Supports wireless charging       
 Built-in wireless charging       
 DLNA certified No     
 OpenGL ES No     
 Version (OpenGL ES)    
 Java No     
 Java MIDP    
 3.5mm headphone output Yes   
 Type of connection 3.5mm   
 USB Yes     
 Charging via USB Yes     
 Type of USB connector Micro-USB   
 USB version v2.0   
 Dimensions (WxHxD) 141.3 x 72.2 x 8.8 mm   
 Weight 145 g   
 Power Supply
 Battery capacity Li-Ion 2500 mAh   
 Exchangeable battery Yes     
 Operating system Microsoft Windows Phone 8.1 with Lumia Denim   
 Release year 2015   
Price 22,600-Rs