Screen size
Charm II2.0"
Rock 2.4Winner: 2.4"+17%
Quick verdict
Rock 2.4 leads the measured specs 3-2.
Measured wins
Charm II
2
spec wins
Ties
6
equal specs
Rock 2.4
3
spec wins
Overall winner
Screen size
Technology
Charm II
GSM
Rock 2.4
GSM
2G bands
Charm II
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Rock 2.4
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
Charm II
Class 10
Rock 2.4
Yes
EDGE
Charm II
No
Rock 2.4
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
No
Announced
Charm II
2014, January. Released 2014, January
Rock 2.4
2014. Released 2014
Status
Charm II
Discontinued
Rock 2.4
Discontinued
Dimensions
Charm II
100 x 48.9 x 17.4 mm (3.94 x 1.93 x 0.69 in)
Rock 2.4
120 x 50 x 13.8 mm (4.72 x 1.97 x 0.54 in)
Weight
Charm II
-
Rock 2.4
60 g (2.12 oz)
SIM
Charm II
Dual SIM
Rock 2.4
Dual SIM (Mini-SIM)
Type
Charm II
TFT
Rock 2.4
TFT
Size
Charm II
2.0 inches, 12.6 cm2 (~25.7% screen-to-body ratio)
Rock 2.4
2.4 inches, 18.1 cm2 (~30.2% screen-to-body ratio)
Resolution
Charm II
220 x 176 pixels (~141 ppi density)
Rock 2.4
176 x 220 pixels (~117 ppi density)
Card slot
Charm II
microSDHC (dedicated slot)
Rock 2.4
microSDHC
Phonebook
Charm II
500 contacts
Rock 2.4
500 contacts
Call records
Charm II
20 entries
Rock 2.4
20 dialed, 20 received, 20 missed calls
Internal
Charm II
-
Rock 2.4
32MB 32MB
Single
Charm II
VGA
Rock 2.4
VGA
Video
Charm II
Yes
Rock 2.4
Yes
Other
Charm II
No
Rock 2.4
No
Loudspeaker
Charm II
Yes
Rock 2.4
Yes
3.5mm jack
Charm II
Yes
Rock 2.4
No
WLAN
Charm II
No
Rock 2.4
No
Bluetooth
Charm II
2.0
Rock 2.4
2.0
Positioning
Charm II
No
Rock 2.4
No
NFC
Charm II
No
Rock 2.4
No
Radio
Charm II
Stereo FM radio
Rock 2.4
FM radio
USB
Charm II
miniUSB
Rock 2.4
microUSB
Sensors
Charm II
Rock 2.4
Messaging
Charm II
SMS, MMS
Rock 2.4
SMS, MMS
Games
Charm II
Yes
Rock 2.4
Yes
Java
Charm II
No
Rock 2.4
No
Other
Charm II
MP3/MP4 player Predictive text input
Rock 2.4
MP3/MP4/WAV player Calendar Predictive text input
Type
Charm II
Li-Ion 1000 mAh, removable
Rock 2.4
Li-Ion 1000 mAh, removable
Stand-by
Charm II
Up to 150 h
Rock 2.4
Up to 100 h
Talk time
Charm II
Up to 7 h
Rock 2.4
Up to 9 h
Colors
Charm II
Black, Red, Sliver, Blue, Pink
Rock 2.4
Black, White, Red, Pink, Green, White&blue