Karbonn A4 vs Microsoft Lumia 950
Karbonn A4
Microsoft Lumia 950
-
Network
-
2G networkGSM 850, 1900GSM 850, 900, 1800, 1900
-
3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
-
HSDPA speedHSDPA42.2 Mbps
-
HSUPA speedHSUPA5.76 Mbps
-
LTE speed-LTE, Cat6, 300 Mbps download, 50 Mbps upload
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2013-32015-10
-
Status2013-32015-11
-
Design
-
SIMDual SIM (Mini-SIM)Nano-SIM
-
Height124.8 mm145 mm
-
Width66 mm73.2 mm
-
Thickness9.5 mm8.2 mm
-
Weight75 g150 g
-
ColorsWhite/BlackBlack, White
-
Display
-
Display typeTFT capacitive touchscreenAMOLED capacitive touchscreen
-
Physical size4.0 inches5.2 inches
-
Resolution320 x 480 pixels1440 x 2560 pixels
-
Pixel density144 ppi564 ppi
-
Display colors26214416777216
-
Hardware
-
CPUDual-core 1.82 GHz ARM Cortex-A57
-
CPU(second)quad-core 1.44 GHz ARM Cortex-A53
-
Chipset-Qualcomm MSM8992 Snapdragon 808
-
GPU-Adreno 418
-
Internal storage256, 512 MB32 GB
-
Memory RAM-3 GB
-
Memory cardmicroSDmicroSD
-
Memory card max32 GB200 GB
-
OS
-
OSAndroid OS, v2.3.6 (Gingerbread)Microsoft Windows 10
-
Main camera
-
Main camera3.15 MP20 MP
-
Primary camera resolution2048 x 1536 pixels4992 x 3744 pixels
-
Primary camera videovideo2160p@30fps
-
Primary camera optics-Carl Zeiss optics
-
Primary camera Autofocus-autofocus
-
Primary camera flash-triple-LED RGB flash
-
Primary camera video optical stabilization-optical stabilization
-
Primary camera optical image stabilization-optical image stabilization
-
Primary camera video stereo sound record-stereo sound record
-
Camera features-1.12 µm pixel size, 1/2.4' sensor size, HDR, PureView technology, face detection, geo-tagging, panorama
-
Selfie camera
-
Secondary cameraYes-
-
Selfie camera5 MP
-
Selfie camera video-1080p
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
-
Multimedia
-
Radio FMFM radioFM radio
-
Connectivity
-
WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
-
WLAN WiFi HotspotYesYes
-
USBYesType-C reversible connector
-
BluetoothYesv4.1
-
Bluetooth A2DP-Yes
-
GPSNoYes, with A-GPS
-
GLONASS-Yes
-
GPS Navigator-Beidou
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIMIM
-
Messaging Push Email-Push Email
-
JavaYes, via Java MIDP emulatorNo
-
Sensors-Accelerometer, barometer, compass, gyro, proximity, sensor core
-
Browser
-
HTMLYesHTML5
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity1400 mAh3000 mAh
-
Talk time4 h 20 min-
-
Talk time 2G-23 h
-
Talk time 3G-18 h
-
Standby time250 h-
-
Standby time 2G-288 h
-
Standby time 3G-288 h
