Screen size
HydroWinner: 2.0"+10%
Rock Bold1.8"
Quick verdict
Hydro leads the measured specs 6-2.
Measured wins
Hydro
6
spec wins
Overall winner
Ties
6
equal specs
Rock Bold
2
spec wins
Screen size
Technology
Hydro
GSM
Rock Bold
GSM
2G bands
Hydro
GSM 850 / 900 / 1800 / 1900
Rock Bold
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
Hydro
Yes
Rock Bold
Class 10
EDGE
Hydro
No
Rock Bold
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
Hydro
2013. Released 2013
Rock Bold
2013. Released 2013
Status
Hydro
Discontinued
Rock Bold
Discontinued
Dimensions
Hydro
114 x 54 x 11.8 mm (4.49 x 2.13 x 0.46 in)
Rock Bold
103.2 x 45.2 x 14.5 mm (4.06 x 1.78 x 0.57 in)
Weight
Hydro
85 g (3.00 oz)
Rock Bold
46 g (w/out battery) (1.62 oz)
SIM
Hydro
Yes
Rock Bold
Dual SIM (Mini-SIM)
Other
Hydro
IP54 dust protected and water resistant (water splashes) Flashlight
Rock Bold
Flashlight
Type
Hydro
TFT
Rock Bold
TFT
Size
Hydro
2.0 inches, 12.6 cm2 (~20.5% screen-to-body ratio)
Rock Bold
1.8 inches, 10.2 cm2 (~21.9% screen-to-body ratio)
Resolution
Hydro
144 x 176 pixels (~114 ppi density)
Rock Bold
128 x 160 pixels (~114 ppi density)
Card slot
Hydro
microSDHC (dedicated slot)
Rock Bold
microSD (dedicated slot)
Phonebook
Hydro
500 contacts
Rock Bold
500 contacts
Call records
Hydro
100 entries
Rock Bold
20 dialed, 20 received, 20 missed calls
Single
Hydro
1.3 MP
Rock Bold
1.3 MP
Video
Hydro
Yes
Rock Bold
Yes
Other
Hydro
No
Rock Bold
No
Loudspeaker
Hydro
Yes
Rock Bold
Yes
3.5mm jack
Hydro
No
Rock Bold
No
WLAN
Hydro
No
Rock Bold
No
Bluetooth
Hydro
2.0
Rock Bold
No
Positioning
Hydro
No
Rock Bold
No
NFC
Hydro
No
Rock Bold
No
Radio
Hydro
FM radio
Rock Bold
Stereo FM radio
USB
Hydro
microUSB 2.0
Rock Bold
miniUSB (charging only)
Sensors
Hydro
Rock Bold
Messaging
Hydro
SMS, MMS
Rock Bold
SMS, MMS
Games
Hydro
Yes
Rock Bold
No
Java
Hydro
No
Rock Bold
No
Other
Hydro
MP3/MP4 player
Rock Bold
MP3/MP4 player Predictive text input
Type
Hydro
Li-Ion 500 mAh, removable
Rock Bold
Li-Ion 700 mAh, removable
Stand-by
Hydro
Up to 80 h
Rock Bold
Up to 180 h
Talk time
Hydro
Up to 5 h
Rock Bold
Up to 6 h
Colors
Hydro
Black, White, Blue
Rock Bold
Black, White, Red, Blue