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Motorola DROID RAZR HD vs Karbonn A21

General Info

Manufacturer
Motorola Karbonn
Announced
September 2012 2012
Status
Available - October 2012 Available
Colors
Black, White Pearl White
Form Factor
Candybar Candybar
Dimension
131.9 x 67.9 x 8.4 mm
(5.19 x 2.67 x 0.33 in)
-
Weight
146 g (5.15 oz) -
2G Network
CDMA 800 / 1900
GSM 850 / 900 / 1800 / 1900
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
CDMA2000 1xEV-DO
HSDPA 850 / 900 / 1900 / 2100
HSDPA 2100
4G Network
LTE 700 MHz Class 13 -
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
Super AMOLED capacitive touchscreen TFT capacitive touchscreen
Colors
16M colors 256K colors
Size
4.7 inches [Similar] 4.5 inches [Similar]
Resolution
720 x 1280 pixels (312 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio
68.20% -
Multi-Touch

Hardware and OS

OS
Android OS, v4.0.4 (Ice Cream Sandwich), upgradable to v4.1 Android OS, v4.0 (Ice Cream Sandwich)
Processor
Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon [Similar] Dual-core 1.2 GHz [Similar]
GPU
Adreno 225 [Similar] -
RAM
1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory
12 GB storage 4 GB
External Memory
microSD, up to 32GB microSD, up to 32 GB

Camera

Rear Camera
8 MP, 3264x2448 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash
LED flash LED flash
Features
Auto focus, Touch-focus, Geo-tagging, Face Detection, Image Stabilization Auto focus, Geo-tagging, Face Detection
Video
Yes, 1080p@30fps Yes
Front Camera
Yes, 1.3 MP [Similar] Yes, 1.3 MP [Similar]

Multimedia

3.5mm Jack
Radio
No No
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
Rev. A, up to 3.1 Mbps, LTE, HSPA+ HSDPA, 7.2 Mbps
Bluetooth
Yes, v4.0 with LE+EDR Yes, v2.1 with A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
USB
Yes, microUSB v2.0 Yes, microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser
HTML, Adobe Flash HTML

User Memory

Internal
12 GB storage, 1GB RAM 4 GB, 512 MB RAM
Expandable Storage
microSD, up to 32GB microSD, up to 32 GB

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Li-Po Battery Li-Ion Battery
Capacity
2530 mAh 1800 mAh
Stand by
Up to 286 h Up to 200 h
Talk Time
Up to 24 h Up to 5 h
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