Phone Comparison - Karbonn A21 vs Xiaomi Redmi 1S

Karbonn A21
karbonn a21
Xiaomi Redmi 1S
xiaomi redmi 1s
Add 3rd Phone

general General Info

Manufacturer Karbonn Xiaomi
Announced 2012 May 2014
Status Available Available - May 2014
Colors Pearl White Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
Form Factor Candybar Candybar
Dimension - 137 x 69 x 9.9 mm
(5.39 x 2.72 x 0.39 in)
Weight - 158 g (5.57 oz)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.3 (Jelly Bean)
Processor Dual-core 1.2 GHz [Similar] Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon [Similar]
GPU - Adreno 305 [Similar]
RAM 512 MB [Browse Similar] 1 GB [Browse Similar]
Internal Memory 4 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2
Colors 256K colors 16M colors
Size 4.5 inches [Similar] 4.7 inches [Similar]
Resolution 480 x 800 pixels (207 ppi) [Similar] 720 x 1280 pixels (312 ppi) [Similar]
Screen-to-Body Ratio - 64.61%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio No FM radio
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels [Similar] 8 MP, 3264 x 2448 pixels [Similar]
Flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Auto focus, 1.4 ┬Ám Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes 1080p@30fps
Front Camera Yes, 1.3 MP [Similar] 1.3 MP, 720p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSDPA, 7.2 Mbps HSDPA, HSUPA
Bluetooth Yes, v2.1 with A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS
Browser HTML HTML5

memory User Memory

Internal 4 GB, 512 MB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB
USB OTG - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Po Battery
Capacity 1800 mAh 2000 mAh
Stand by Up to 200 h -
Talk Time Up to 5 h -