Screen size
C3551.8"
S1Winner: 5.0"+65%
Quick verdict
S1 leads the measured specs 14-0.
Measured wins
C355
0
spec wins
Ties
3
equal specs
S1
14
spec wins
Overall winner
Screen size
Technology
C355
GSM
S1
GSM / HSPA
2G bands
C355
GSM 900 / 1800 - SIM 1 & SIM 2
S1
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
C355
No
S1
-
EDGE
C355
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
equal specs3.5mm jack
SD card
equal specsStereo speakers
3G bands
C355
-
S1
HSDPA 2100
Speed
C355
-
S1
HSPA
Announced
C355
2013, February. Released 2013, February
S1
2014, February. Released 2014, February
Status
C355
Discontinued
S1
Discontinued
Dimensions
C355
-
S1
144 x 71 x 8.9 mm (5.67 x 2.80 x 0.35 in)
Weight
C355
-
S1
137 g (4.83 oz)
SIM
C355
Dual SIM (Mini-SIM)
S1
Dual SIM
Other
C355
Flashlight
S1
-
Type
C355
TFT
S1
IPS LCD
Size
C355
1.77 inches, 9.9 cm2
S1
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
C355
128 x 160 pixels (~116 ppi density)
S1
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Card slot
C355
microSDHC (dedicated slot)
S1
microSDHC (dedicated slot)
Phonebook
C355
500 contacts
S1
-
Call records
C355
20 entries
S1
-
Internal
C355
-
S1
16GB 1GB RAM
Single
C355
Yes
S1
13 MP, AF
Video
C355
No
S1
Yes
Features
C355
-
S1
LED flash
Other
C355
No
S1
-
Single
C355
-
S1
8 MP
Video
C355
-
S1
Loudspeaker
C355
Yes
S1
Yes
3.5mm jack
C355
-
S1
Yes
WLAN
C355
No
S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
C355
Yes
S1
4.0, A2DP
Positioning
C355
No
S1
GPS
NFC
C355
No
S1
No
Radio
C355
No
S1
FM radio
USB
C355
Proprietary
S1
microUSB 2.0
Sensors
C355
S1
Accelerometer, proximity
Messaging
C355
SMS
S1
-
Games
C355
Yes
S1
-
Java
C355
No
S1
-
Other
C355
Auto call record reject by SMS audio/video player
S1
-
Type
C355
Li-Ion 1100 mAh, removable
S1
Li-Ion 2300 mAh battery
Stand-by
C355
Up to 180 h
S1
-
Talk time
C355
Up to 4 h
S1
-
Colors
C355
Black/Red, Black/Yellow, Black/Silver
S1
Black
Price
C355
About 10 EUR
S1
-
OS
C355
-
S1
Android 4.2.1 (Jelly Bean)
CPU
C355
-
S1
Quad-core 1.5 GHz