Alcatel Hero 8 vs Karbonn A4
Alcatel Hero 8
Karbonn A4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 900, 2100
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HSDPA speed42.2 MbpsHSDPA
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HSUPA speed11.5 MbpsHSUPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-92013-3
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Status2014-122013-3
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height209 mm124.8 mm
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Width122 mm66 mm
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Thickness7.3 mm9.5 mm
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Weight310 g75 g
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ColorsDark GrayWhite/Black
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size8.0 inches4.0 inches
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Resolution1200 x 1920 pixels320 x 480 pixels
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Pixel density283 ppi144 ppi
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Display colors16777216262144
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Hardware
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CPUOcta-core 2.0 GHz ARM Cortex-A7
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ChipsetMediatek MT8392-
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GPUMali-450MP4-
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Memory RAM2 GB-
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Internal storage8, 16, 32 GB256, 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, v4.4.2 (KitKat)Android OS, v2.3.6 (Gingerbread)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, face detection, touch focus-
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Selfie camera
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Secondary camera-Yes
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Selfie camera2 MP
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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InfraredYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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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 Email-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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SensorsAccelerometer, compass, gyro, proximity-
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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 capacity4060 mAh1400 mAh
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Battery removableNon-removable-
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Talk time-4 h 20 min
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Standby time-250 h