Karbonn A4 vs Yezz Epic T7
Karbonn A4
Yezz Epic T7
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Network
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2G networkGSM 850, 1900
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-32013-3
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Status2013-32013-4
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Design
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SIMDual SIM (Mini-SIM)No
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Height124.8 mm177.8 mm
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Width66 mm121.4 mm
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Thickness9.5 mm10.2 mm
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Weight75 g293 g
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ColorsWhite/BlackBlack, Blue, Dark Gray, Green, Orange
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches7.0 inches
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Resolution320 x 480 pixels480 x 800 pixels
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Pixel density144 ppi133 ppi
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Display colors26214416777216
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Hardware
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CPU1.2 GHz ARM Cortex-A8
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Chipset-Allwinner A13
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GPU-Mali-400
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Memory ROM-16 GB
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Internal storage256, 512 MB-
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Memory RAM-512 MB
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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, v2.3.6 (Gingerbread)Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videovideo480p@30fps
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Selfie camera
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Secondary cameraYesVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesN/A
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi Dual Band-Yes
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USBYesmicroUSB 2.0
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh2600 mAh
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Battery removable-Non-removable
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Talk time4 h 20 min-
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Standby time250 h200 h
