Screen size
Comet IIWinner: 2.2"+18%
Rock Bold1.8"
Quick verdict
Comet II leads the measured specs 6-3.
Measured wins
Comet II
6
spec wins
Overall winner
Ties
2
equal specs
Rock Bold
3
spec wins
Screen size
Technology
Comet II
GSM
Rock Bold
GSM
2G bands
Comet II
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
Rock Bold
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
Comet II
Yes
Rock Bold
Class 10
EDGE
Comet II
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Rock Bold
No
Announced
Comet II
2011, June
Rock Bold
2013. Released 2013
Status
Comet II
Discontinued
Rock Bold
Discontinued
Dimensions
Comet II
111.5 x 60 x 12.8 mm (4.39 x 2.36 x 0.50 in)
Rock Bold
103.2 x 45.2 x 14.5 mm (4.06 x 1.78 x 0.57 in)
Weight
Comet II
90 g (3.17 oz)
Rock Bold
46 g (w/out battery) (1.62 oz)
Keyboard
Comet II
QWERTY
Rock Bold
-
SIM
Comet II
Dual SIM (Mini-SIM, dual stand-by)
Rock Bold
Dual SIM (Mini-SIM)
Other
Comet II
Flashlight
Rock Bold
Flashlight
Type
Comet II
TFT, 65K colors
Rock Bold
TFT
Size
Comet II
2.2 inches, 15.2 cm2 (~22.8% screen-to-body ratio)
Rock Bold
1.8 inches, 10.2 cm2 (~21.9% screen-to-body ratio)
Resolution
Comet II
220 x 176 pixels (~128 ppi density)
Rock Bold
128 x 160 pixels (~114 ppi density)
Card slot
Comet II
microSD (dedicated slot)
Rock Bold
microSD (dedicated slot)
Phonebook
Comet II
500 contacts, Photocall
Rock Bold
500 contacts
Call records
Comet II
Yes
Rock Bold
20 dialed, 20 received, 20 missed calls
Single
Comet II
VGA
Rock Bold
1.3 MP
Video
Comet II
Rock Bold
Yes
Other
Comet II
No
Rock Bold
No
Loudspeaker
Comet II
Yes
Rock Bold
Yes
3.5mm jack
Comet II
Yes
Rock Bold
No
WLAN
Comet II
Wi-Fi 802.11 b/g/n
Rock Bold
No
Bluetooth
Comet II
Yes
Rock Bold
No
Positioning
Comet II
No
Rock Bold
No
Radio
Comet II
Stereo FM radio
Rock Bold
Stereo FM radio
USB
Comet II
miniUSB (charging only)
Rock Bold
miniUSB (charging only)
NFC
Comet II
-
Rock Bold
No
Sensors
Comet II
Rock Bold
Messaging
Comet II
SMS, MMS
Rock Bold
SMS, MMS
Browser
Comet II
WAP 2.0/xHTML
Rock Bold
-
Games
Comet II
Yes
Rock Bold
No
Java
Comet II
Yes
Rock Bold
No
Other
Comet II
TV app Organizer MP4 player MP3 player Predictive text input
Rock Bold
MP3/MP4 player Predictive text input
Type
Comet II
Removable Li-Ion 1050 mAh battery
Rock Bold
Li-Ion 700 mAh, removable
Stand-by
Comet II
Up to 200 h
Rock Bold
Up to 180 h
Talk time
Comet II
Up to 4 h 10 min
Rock Bold
Up to 6 h
Colors
Comet II
Black, Pink, Brown
Rock Bold
Black, White, Red, Blue