PhoneBunch

Karbonn A21+ vs Xiaomi Redmi 1S

General Info

Manufacturer
Karbonn Xiaomi
Announced
June 2013 May 2014
Status
Available - July 2013 Available - May 2014
Colors
Black, 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 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network
HSDPA 2100 HSDPA 1900 / 2100
Messaging
SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features
Touch and Swipe Gestures -

Display

Type
TFT Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2
Colors
16M colors 16M colors
Size
5.0 inches [Similar] 4.7 inches [Similar]
Resolution
480 x 854 pixels (196 ppi) [Similar] 720 x 1280 pixels (312 ppi) [Similar]
Screen-to-Body Ratio
- 64.61%
Multi-Touch

Hardware and OS

OS
Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean)
Processor
Dual-core 1 GHz, MTK 6577 [Similar] Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon [Similar]
GPU
PowerVR SGX531 [Similar] Adreno 305 [Similar]
RAM
512 MB [Browse Similar] 1 GB [Browse Similar]
Internal Memory
4 GB (2.1 GB User Memory) 8 GB
External Memory
microSD, up to 32 GB microSD, up to 32 GB

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, Touch Focus Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video
Yes, 720p 1080p@30fps
Front Camera
Yes [Similar] 1.3 MP, 720p@30fps [Similar]

Multimedia

3.5mm Jack
Radio
FM radio; FM recording FM radio
Games
Yes + Downloadable Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
Edge
Class 12 Yes
3G
HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA
Bluetooth
Yes, v4.0 with A2DP v4.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 b/g/n, Wi-Fi hotspot 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
HTML5 HTML5

User Memory

Internal
4 GB (2.1 GB User Memory), 512 MB RAM 8 GB, 1 GB RAM
Expandable Storage
microSD, up to 32 GB microSD, up to 32 GB
USB OTG
- Supported

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Li-Ion Battery Li-Po Battery
Capacity
2000 mAh 2000 mAh
Stand by
Up to 240 h -
Talk Time
- -
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