Karbonn A4 vs OnePlus 2
Karbonn A4
OnePlus 2
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Network
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2G networkGSM 850, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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HSDPA speedHSDPA42.2 Mbps
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HSUPA speedHSUPA5.76 Mbps
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LTE speed-LTE, 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 announced2013-32015-7
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Status2013-32015-8
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Nano-SIM, dual stand-by)
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Height124.8 mm151.8 mm
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Width66 mm74.9 mm
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Thickness9.5 mm9.9 mm
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Weight75 g175 g
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ColorsWhite/BlackSandstone Black
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Display
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Display typeTFT capacitive touchscreenLTPS LCD capacitive touchscreen
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Physical size4.0 inches5.5 inches
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Resolution320 x 480 pixels1080 x 1920 pixels
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Pixel density144 ppi401 ppi
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Display colors26214416777216
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Hardware
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CPUQuad-core ARM Cortex-A53
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CPU(second)quad-core 1.8 GHz ARM Cortex-A57
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Chipset-Qualcomm MSM8994 Snapdragon 810
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GPU-Adreno 430
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Internal storage256, 512 MB16, 64 GB
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Memory RAM-3, 4 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v2.3.6 (Gingerbread)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera3.15 MP13 MP
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Primary camera resolution2048 x 1536 pixels4128 x 3096 pixels
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Primary camera videovideo2160p@30fps, 2160p@24fps, 1080p@60fps, 720p@120fps
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Primary camera flash-LED flash
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Primary camera image stabilization-optical image stabilization
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Primary camera laser autofocus-laser autofocus
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Secondary cameraYes-
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Selfie camera5 MP
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Selfie camera video-1080p@30fps
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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 FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN DLNA-Yes
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USBYesType-C reversible connector
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BluetoothYesv4.1
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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GLONASS-Yes
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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 Email-Push Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, compass, gyro, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1400 mAh3300 mAh
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Battery removable-Non-removable
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Talk time4 h 20 min-
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Standby time250 h-