Screen size
A355Winner: 3.5"+31%
C7702.4"
Quick verdict
A355 leads the measured specs 6-3.
Measured wins
A355
6
spec wins
Overall winner
Ties
4
equal specs
C770
3
spec wins
Screen size
Technology
A355
GSM / HSPA
C770
GSM
2G bands
A355
GSM 900 / 1800 - SIM 1 & SIM 2
C770
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A355
HSDPA
C770
-
Speed
A355
HSPA
C770
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
equal specsSD card
equal specsStereo speakers
-
GPRS
A355
Yes
C770
Yes
EDGE
A355
Yes
C770
No
Announced
A355
2015, May. Released 2015, May
C770
2011
Status
A355
Discontinued
C770
Discontinued
Dimensions
A355
115.3 x 63.3 x 10.2 mm (4.54 x 2.49 x 0.40 in)
C770
114 x 50 x 15.3 mm (4.49 x 1.97 x 0.60 in)
Weight
A355
97.5 g (3.46 oz)
C770
102 g (3.60 oz)
SIM
A355
Dual SIM
C770
Dual SIM (Mini-SIM)
Other
A355
-
C770
Flashlight
Type
A355
TFT, 256K colors
C770
TFT
Size
A355
3.5 inches, 36.5 cm2 (~50.0% screen-to-body ratio)
C770
2.4 inches, 17.8 cm2 (~31.3% screen-to-body ratio)
Resolution
A355
320 x 480 pixels, 3:2 ratio (~165 ppi density)
C770
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
A355
Android 4.4.2 (KitKat)
C770
-
Chipset
A355
Spreadtrum 7715
C770
-
CPU
A355
1.0 GHz
C770
-
GPU
A355
Mali-400
C770
-
Card slot
A355
microSDHC
C770
microSDHC (dedicated slot)
Internal
A355
512MB 256MB RAM
C770
-
Phonebook
A355
-
C770
1000 entries
Call records
A355
-
C770
Yes
Single
A355
2 MP
C770
1.3 MP
Features
A355
Dual-LED flash
C770
-
Video
A355
Yes
C770
Yes
Single
A355
VGA
C770
-
Video
A355
C770
-
Other
A355
-
C770
No
Loudspeaker
A355
Yes
C770
Yes
3.5mm jack
A355
Yes
C770
Yes
WLAN
A355
Wi-Fi 802.11 b/g/n
C770
No
Bluetooth
A355
2.0
C770
2.0
Positioning
A355
GPS
C770
No
NFC
A355
No
C770
-
Radio
A355
FM radio
C770
Stereo FM radio
USB
A355
microUSB
C770
microUSB
Sensors
A355
Accelerometer
C770
Messaging
A355
-
C770
SMS, MMS
Games
A355
-
C770
Yes
Java
A355
-
C770
No
Other
A355
-
C770
Audio/video player
Type
A355
Li-Ion 1200 mAh battery
C770
Removable Li-Ion 1500 mAh battery
Stand-by
A355
-
C770
Up to 550 h
Talk time
A355
-
C770
Up to 6 h 40 min
Colors
A355
Light Blue, Dart Blue, Red, Yellow, White
C770
Black/Red, Black/Silver
SAR EU
A355
0.49 W/kg (head) 0.84 W/kg (body)
C770
-