Screen size
HydroWinner: 2.0"+12%
Rock1.8"
Quick verdict
Hydro leads the measured specs 9-2.
Measured wins
Hydro
9
spec wins
Overall winner
Ties
3
equal specs
Rock
2
spec wins
Screen size
Technology
Hydro
GSM
Rock
GSM
2G bands
Hydro
GSM 850 / 900 / 1800 / 1900
Rock
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
GPRS
Hydro
Yes
Rock
Class 10
EDGE
Hydro
No
Rock
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
equal specsSD card
equal specsStereo speakers
No
Announced
Hydro
2013. Released 2013
Rock
2011, June. Released 2011, July
Status
Hydro
Discontinued
Rock
Discontinued
Dimensions
Hydro
114 x 54 x 11.8 mm (4.49 x 2.13 x 0.46 in)
Rock
109.7 x 46.6 x 15 mm (4.32 x 1.83 x 0.59 in)
Weight
Hydro
85 g (3.00 oz)
Rock
-
SIM
Hydro
Yes
Rock
Dual SIM (Mini-SIM, dual stand-by)
Other
Hydro
IP54 dust protected and water resistant (water splashes) Flashlight
Rock
Flashlight
Type
Hydro
TFT
Rock
TFT, 65K colors
Size
Hydro
2.0 inches, 12.6 cm2 (~20.5% screen-to-body ratio)
Rock
1.77 inches, 9.9 cm2 (~19.3% screen-to-body ratio)
Resolution
Hydro
144 x 176 pixels (~114 ppi density)
Rock
128 x 160 pixels (~116 ppi density)
Card slot
Hydro
microSDHC (dedicated slot)
Rock
microSD (dedicated slot)
Phonebook
Hydro
500 contacts
Rock
300 contacts, Photocall
Call records
Hydro
100 entries
Rock
Yes
Single
Hydro
1.3 MP
Rock
Yes
Video
Hydro
Yes
Rock
Other
Hydro
No
Rock
No
Loudspeaker
Hydro
Yes
Rock
Yes
3.5mm jack
Hydro
No
Rock
No
WLAN
Hydro
No
Rock
No
Bluetooth
Hydro
2.0
Rock
No
Positioning
Hydro
No
Rock
No
NFC
Hydro
No
Rock
-
Radio
Hydro
FM radio
Rock
Stereo FM radio
USB
Hydro
microUSB 2.0
Rock
miniUSB (charging only)
Sensors
Hydro
Rock
Messaging
Hydro
SMS, MMS
Rock
SMS, MMS
Games
Hydro
Yes
Rock
Yes
Java
Hydro
No
Rock
No
Other
Hydro
MP3/MP4 player
Rock
MP3/MP4 player Organizer Predictive text input
Browser
Hydro
-
Rock
WAP 2.0/xHTML
Type
Hydro
Li-Ion 500 mAh, removable
Rock
Removable Li-Ion 800 mAh battery
Stand-by
Hydro
Up to 80 h
Rock
Up to 580 h
Talk time
Hydro
Up to 5 h
Rock
Up to 8 h
Colors
Hydro
Black, White, Blue
Rock
Purple, Blue, Black, Red, Yellow