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Samsung Galaxy S Duos 2, BlackBerry Z30
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Samsung Galaxy S Duos 2

BlackBerry Z30

 Display technology TFT OLED (AMOLED)  
 Display Colour Color  
 Number of colours 16M colors 16M  
 Scratch resistant display Yes No   
 Screen resolution 480 x 800 pixels 720 x 1280 pixels  
 Screen size 4.0 inches  5.0 inches  
 Pixel density ~233 ppi  ~294 ppi  
 Touchscreen Yes Yes   
 Simultaneous touch points 3+ Multi-touch Yes  
 Type of technology Capacitive Capacitive  
 Dual screens   No   
 Internal storage space 4 GB 16 GB  
 Memory card readers Yes Yes   
 SDIO   No   
 Compatible memory cards microSD microSD  
 Maximum amount of memory 64GB Up to 64 GB  
 ROM memory   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 MP  
 Maximum resolution (still) 2592x1944 pixels 3264 x 2448 pixels  
 Number of cameras 2 pc 2pc  
 Resolution 2nd camera VGA 2 MP  
 Optical zoom   No   
 Video recorder Yes Yes   
 Digital zoom (video) Yes No   
 Maximum numbers of fps when recording 30fps 30fps  
 Maximum resolution (video) 720p 1080p  
 Torch/Lamp No No   
 Graphics processor Yes Yes   
 Graphics processor type Broadcom VideoCore IV Adreno 320  
 Processor core type Dual core Dual-core   
 Processor speed 1.2 GHz 1.7 Ghz  
 RAM Yes Yes   
 Memory quantity 768 MB 2 GB  
 SoC (System on Chip) BCM 28145/28155 Qualcomm MSM8960T Pro Snapdragon  
 CPU type Cortex-A9  Krait  
 2G (GSM) Yes     
 Stand-by time (2G)  Up to 384 h  
 Talk time (2G)  Up to 25 h  
 EDGE Yes Yes   
 GPRS Yes Yes   
 3G (UMTS) Yes Yes   
 Stand-by time (3G)  Up to 384 h  
 Talk time (3G)  Up to 18 h  
 HSPA Yes No   
 HSUPA: Speed (down)    
 HSDPA: Speed (up)    
 4G LTE No Yes   
 4G: Speed (down/up)    
 Stand by time (4G)    
 Talk time (4G)    
 Bluetooth Yes Yes   
 Bluetooth profile A2DP A2DP, LE  
 Version v4.0 v4.0   
 Built-in navigation system Yes Yes   
 Type of GPS A-GPS A-GPS  
 Integrated geotagging Yes   
 IR   No   
 Support for IP telephony Yes No   
 Built-in SIP stack       
 Support via software       
 Supports NFC No Yes   
 Wireless network (Wi-Fi) Yes Yes   
 Supports media sharing Yes No   
 Type 802.11a, 802.11b, 802.11g, 802.11n    
 Colour Black, White Black  
 Sliding No No   
 Physical keyboard/numpad No   
 Features (detail) Alarm Clock, Calculators, Calendar, Compass, Currency Converter, Dictaphone, Games, Media player, Notebook, Stopwatch, T9, Timer, Vibrator, Watch Geo-tagging, face detection, HDR  
 Shock resistant   No   
 Dual SIM card support Yes No   
 Voice dialing Yes Yes   
 Water resistant No     
 Waterproof No     
 Supports wireless charging       
 Built-in wireless charging       
 DLNA certified Yes No   
 OpenGL ES No No   
 Version (OpenGL ES)    
 Java Yes Yes   
 Java MIDP via Java MIDP emulator MIDP 2.1  
 3.5mm headphone output Yes Yes  
 Type of connection 3.5mm 3.5mm  
 USB Yes Yes   
 Charging via USB Yes No   
 Type of USB connector Micro-USB Micro-USB  
 USB version v2.0 v2.0  
 Dimensions (WxHxD) 63.1 121.5 10.57 mm 140.7 x 72 x 9.4 mm   
 Weight 118 g 170 g   
 Power Supply
 Battery capacity 1,500mAh 2,880 mAh  
 Exchangeable battery Yes Yes   
 Operating system Android OS, v4.2 (Jelly Bean) BlackBerry 10.2 OS,  
 Release year 2013, December 2013  
Price 12,499-Rs 26,999-Rs