BLU Studio 5.0 C vs Karbonn A21
BLU Studio 5.0 C
Karbonn A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900, 1700HSDPA 2100
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HSDPA speedHSDPA, 21 MbpsHSDPA, 7.2 Mbps
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-82014-12
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Status2014-8
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height145 mm
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Width73 mm
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Thickness9.7 mm
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Weight170 g
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ColorsBlack, Blue, Orange, Pink, White, YellowPearl White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size5.0 inches4.5 inches
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Resolution480 x 854 pixels480 x 800 pixels
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Pixel density196 ppi207 ppi
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Display colors16777216262144
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Hardware
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CPUDual-core 1.3 GHz ARM Cortex-A7Dual-core 1.2 GHz
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ChipsetMediatek MT6572-
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GPUMali-400-
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Memory ROM4 GB-
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Memory RAM512 MB512 MB
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Internal storage-4 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera video720p@30fpsvideo
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v2.1
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh1800 mAh
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Talk time-5 h
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Talk time 2G23 h-
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Talk time 3G9 h-
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Standby time-200 h
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Standby time 2G850 h-
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Standby time 3G720 h-