Screen size
Charm1.8"
HydroWinner: 2.0"+10%
Quick verdict
Hydro leads the measured specs 8-1.
Measured wins
Charm
1
spec wins
Ties
5
equal specs
Hydro
8
spec wins
Overall winner
Screen size
Technology
Charm
GSM
Hydro
GSM
2G bands
Charm
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
Hydro
GSM 850 / 900 / 1800 / 1900
GPRS
Charm
Class 10
Hydro
Yes
EDGE
Charm
No
Hydro
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front 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
Charm
2012, October. Released 2012, October
Hydro
2013. Released 2013
Status
Charm
Discontinued
Hydro
Discontinued
Dimensions
Charm
92 x 43.5 x 20.8 mm (3.62 x 1.71 x 0.82 in)
Hydro
114 x 54 x 11.8 mm (4.49 x 2.13 x 0.46 in)
Weight
Charm
-
Hydro
85 g (3.00 oz)
SIM
Charm
Dual SIM (Mini-SIM)
Hydro
Yes
Other
Charm
Flashlight
Hydro
IP54 dust protected and water resistant (water splashes) Flashlight
Type
Charm
TFT
Hydro
TFT
Size
Charm
1.8 inches, 10.2 cm2 (~25.5% screen-to-body ratio)
Hydro
2.0 inches, 12.6 cm2 (~20.5% screen-to-body ratio)
Resolution
Charm
128 x 160 pixels (~114 ppi density)
Hydro
144 x 176 pixels (~114 ppi density)
Card slot
Charm
microSDHC (dedicated slot)
Hydro
microSDHC (dedicated slot)
Phonebook
Charm
200 contacts
Hydro
500 contacts
Call records
Charm
Yes
Hydro
100 entries
Single
Charm
VGA
Hydro
1.3 MP
Video
Charm
No
Hydro
Yes
Other
Charm
No
Hydro
No
Loudspeaker
Charm
Yes
Hydro
Yes
3.5mm jack
Charm
No
Hydro
No
WLAN
Charm
No
Hydro
No
Bluetooth
Charm
Yes
Hydro
2.0
Positioning
Charm
No
Hydro
No
NFC
Charm
No
Hydro
No
Radio
Charm
Stereo FM radio
Hydro
FM radio
USB
Charm
miniUSB (charging only)
Hydro
microUSB 2.0
Sensors
Charm
Hydro
Messaging
Charm
SMS, MMS
Hydro
SMS, MMS
Games
Charm
Yes
Hydro
Yes
Java
Charm
No
Hydro
No
Other
Charm
MP3/MP4 player Predictive text input
Hydro
MP3/MP4 player
Type
Charm
Li-Ion 800 mAh, removable
Hydro
Li-Ion 500 mAh, removable
Stand-by
Charm
Up to 150 h
Hydro
Up to 80 h
Talk time
Charm
Up to 7 h
Hydro
Up to 5 h
Colors
Charm
Black, Red, Silver, Blue, Pink
Hydro
Black, White, Blue