Asus Zenfone 6 vs Karbonn A21
Asus Zenfone 6
Karbonn A21
-
Network
-
2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
-
3G networkHSDPA 850, 900, 1900, 2100HSDPA 2100
-
HSDPA speedHSDPA, 42 MbpsHSDPA, 7.2 Mbps
-
HSUPA speedHSUPA, 5.76 Mbps-
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2014-12014-12
-
Status2014-5
-
Design
-
SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
-
Height166.9 mm
-
Width84.3 mm
-
Thickness9.9 mm
-
Weight196 g
-
ColorsChampagne Gold, Charcoal Black, Cherry Red, Pearl WhitePearl White
-
Display
-
Display typeIPS capacitive touchscreenTFT capacitive touchscreen
-
Physical size6.0 inches4.5 inches
-
Resolution720 x 1280 pixels480 x 800 pixels
-
Pixel density245 ppi207 ppi
-
Display colors16777216262144
-
Hardware
-
CPUDual-core 2 GHzDual-core 1.2 GHz
-
ChipsetIntel Atom Z2580-
-
GPUPowerVR SGX544MP2-
-
Internal storage8, 16, 32 GB4 GB
-
Memory RAM1, 2 GB512 MB
-
Memory cardmicroSDmicroSD
-
Memory card max64 GB32 GB
-
OS
-
OSAndroid OS, v4.3 (Jelly Bean)Android OS, v4.0 (Ice Cream Sandwich)
-
Main camera
-
Main camera13 MP5 MP
-
Primary camera resolution4128 x 3096 pixels2592 x 1944 pixels
-
Primary camera video1080p@30fpsvideo
-
Primary camera Autofocusautofocusautofocus
-
Primary camera flashLED flashLED flash
-
DxOMark photo107-
-
DxOMark video99-
-
DxOMark camera score104-
-
Selfie camera
-
Selfie camera2 MP1.3 MP
-
DxOMark photo101-
-
DxOMark video93-
-
DxOMark camera score98-
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, MP3 ringtonesVibration, MP3, WAV ringtones
-
Multimedia
-
RadioNoNo
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
-
WLAN WiFi HotspotYes-
-
WLAN WiFi DirectYes-
-
USBmicroUSB 2.0microUSB 2.0
-
Bluetoothv4.0v2.1
-
Bluetooth A2DPYesYes
-
Bluetooth EDRYes-
-
GPSYes, with A-GPSYes, with A-GPS
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIMIM
-
Messaging Push EmailPush EmailPush Email
-
JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
-
Browser
-
HTMLYesYes
-
Battery
-
Battery typeLi-PoLi-Ion
-
Battery capacity3300 mAh1800 mAh
-
Battery removableNon-removable-
-
Talk time-5 h
-
Talk time 3G28 h-
-
Standby time-200 h
-
Standby time 3G398 h-