User Memory Samsung I9105 Galaxy S II Plus and Karbonn A21 call records, phonebook, internal and external memory, storage comparison.
8 GB storage, 1 GB RAM
4 GB, 512 MB RAM
microSD, up to 64 GB
microSD, up to 32 GB
Sensors Check whether Samsung I9105 Galaxy S II Plus and Karbonn A21 has fingerprint, NFC, proximity sensor, light sensor, accelerometer sensor, magnetic field sensor, gyroscope, barometer sensor or heart-rate sensor?
Battery Samsung I9105 Galaxy S II Plus or Karbonn A21, which has the higher battery capacity and talk time?