Screen size
A355Winner: 3.5"+49%
C201.8"
Quick verdict
A355 leads the measured specs 9-1.
Measured wins
A355
9
spec wins
Overall winner
Ties
3
equal specs
C20
1
spec wins
Screen size
Technology
A355
GSM / HSPA
C20
GSM
2G bands
A355
GSM 900 / 1800 - SIM 1 & SIM 2
C20
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A355
HSDPA
C20
-
Speed
A355
HSPA
C20
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
equal specsUSB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
GPRS
A355
Yes
C20
Yes
EDGE
A355
Yes
C20
No
Announced
A355
2015, May. Released 2015, May
C20
2011
Status
A355
Discontinued
C20
Discontinued
Dimensions
A355
115.3 x 63.3 x 10.2 mm (4.54 x 2.49 x 0.40 in)
C20
108 x 46 x 14.3 mm (4.25 x 1.81 x 0.56 in)
Weight
A355
97.5 g (3.46 oz)
C20
83 g (2.93 oz)
SIM
A355
Dual SIM
C20
Dual SIM (Mini-SIM)
Other
A355
-
C20
Flashlight
Type
A355
TFT, 256K colors
C20
TFT
Size
A355
3.5 inches, 36.5 cm2 (~50.0% screen-to-body ratio)
C20
1.8 inches, 10.2 cm2 (~20.5% screen-to-body ratio)
Resolution
A355
320 x 480 pixels, 3:2 ratio (~165 ppi density)
C20
128 x 160 pixels (~114 ppi density)
OS
A355
Android 4.4.2 (KitKat)
C20
-
Chipset
A355
Spreadtrum 7715
C20
-
CPU
A355
1.0 GHz
C20
-
GPU
A355
Mali-400
C20
-
Card slot
A355
microSDHC
C20
microSD (dedicated slot)
Internal
A355
512MB 256MB RAM
C20
-
Phonebook
A355
-
C20
500 entries
Call records
A355
-
C20
20 dialed, 20 received, 20 missed calls
Single
A355
2 MP
C20
Yes
Features
A355
Dual-LED flash
C20
-
Video
A355
Yes
C20
Yes
Single
A355
VGA
C20
-
Video
A355
C20
-
Other
A355
-
C20
No
Loudspeaker
A355
Yes
C20
Yes
3.5mm jack
A355
Yes
C20
No
WLAN
A355
Wi-Fi 802.11 b/g/n
C20
No
Bluetooth
A355
2.0
C20
2.0
Positioning
A355
GPS
C20
No
NFC
A355
No
C20
-
Radio
A355
FM radio
C20
Stereo FM radio
USB
A355
microUSB
C20
microUSB
Sensors
A355
Accelerometer
C20
Messaging
A355
-
C20
SMS, MMS
Games
A355
-
C20
Yes
Java
A355
-
C20
No
Other
A355
-
C20
Audio/video player
Type
A355
Li-Ion 1200 mAh battery
C20
Removable Li-Ion 800 mAh battery
Stand-by
A355
-
C20
Up to 150 h
Talk time
A355
-
C20
Up to 4 h 40 min
Colors
A355
Light Blue, Dart Blue, Red, Yellow, White
C20
Black/Orange
SAR EU
A355
0.49 W/kg (head) 0.84 W/kg (body)
C20
-