Screen size
C552.2"
S1Winner: 5.0"+56%
Quick verdict
S1 leads the measured specs 14-1.
Measured wins
C55
1
spec wins
Ties
2
equal specs
S1
14
spec wins
Overall winner
Screen size
Technology
C55
GSM
S1
GSM / HSPA
2G bands
C55
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
S1
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
C55
Yes
S1
-
EDGE
C55
No
S1
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
-
3G bands
C55
-
S1
HSDPA 2100
Speed
C55
-
S1
HSPA
Announced
C55
2012
S1
2014, February. Released 2014, February
Status
C55
Discontinued
S1
Discontinued
Dimensions
C55
95 x 48 x 15 mm (3.74 x 1.89 x 0.59 in)
S1
144 x 71 x 8.9 mm (5.67 x 2.80 x 0.35 in)
Weight
C55
126 g (4.44 oz)
S1
137 g (4.83 oz)
SIM
C55
Dual SIM (Mini-SIM)
S1
Dual SIM
Type
C55
TFT
S1
IPS LCD
Size
C55
2.2 inches, 15.2 cm2 (~33.4% screen-to-body ratio)
S1
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
C55
176 x 220 pixels (~128 ppi density)
S1
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Card slot
C55
microSDHC (dedicated slot)
S1
microSDHC (dedicated slot)
Phonebook
C55
500 entries
S1
-
Call records
C55
20 dialed, 20 received, 20 missed calls
S1
-
Internal
C55
-
S1
16GB 1GB RAM
Single
C55
1.3 MP
S1
13 MP, AF
Video
C55
Yes
S1
Yes
Features
C55
-
S1
LED flash
Other
C55
No
S1
-
Single
C55
-
S1
8 MP
Video
C55
-
S1
Loudspeaker
C55
Yes
S1
Yes
3.5mm jack
C55
-
S1
Yes
WLAN
C55
No
S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
C55
2.0
S1
4.0, A2DP
Positioning
C55
No
S1
GPS
Radio
C55
Stereo FM radio
S1
FM radio
USB
C55
microUSB
S1
microUSB 2.0
NFC
C55
-
S1
No
Sensors
C55
S1
Accelerometer, proximity
Messaging
C55
SMS, MMS
S1
-
Games
C55
Yes
S1
-
Java
C55
No
S1
-
Other
C55
Audio/video player SNS applications
S1
-
Type
C55
Removable Li-Ion 1000 mAh battery
S1
Li-Ion 2300 mAh battery
Stand-by
C55
Up to 400 h
S1
-
Talk time
C55
Up to 5 h
S1
-
Colors
C55
Black/Gray
S1
Black
OS
C55
-
S1
Android 4.2.1 (Jelly Bean)
CPU
C55
-
S1
Quad-core 1.5 GHz