Screen size
A40Winner: 4.0"+40%
C770N2.4"
Quick verdict
A40 leads the measured specs 9-0.
Measured wins
A40
9
spec wins
Overall winner
Ties
5
equal specs
C770N
0
spec wins
Screen size
Technology
A40
GSM
C770N
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C770N
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
A40
Yes
C770N
Yes
EDGE
A40
Yes
C770N
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
A40
2014, January. Released 2014, January
C770N
2012
Status
A40
Discontinued
C770N
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C770N
118 x 52 x 12.9 mm (4.65 x 2.05 x 0.51 in)
Weight
A40
126.5 (4.44 oz)
C770N
-
SIM
A40
Dual SIM
C770N
Dual SIM (Mini-SIM)
Other
A40
-
C770N
Flashlight
Type
A40
TFT
C770N
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C770N
2.4 inches, 17.8 cm2 (~29.1% screen-to-body ratio)
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C770N
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
C770N
-
CPU
A40
Dual-core 1.3 GHz
C770N
-
Card slot
A40
microSDHC (dedicated slot)
C770N
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
C770N
-
Phonebook
A40
-
C770N
500 entries
Call records
A40
-
C770N
20 dialed, 20 received, 20 missed calls
Single
A40
5 MP
C770N
2 MP
Video
A40
Yes
C770N
Yes
Single
A40
VGA
C770N
-
Video
A40
C770N
-
Other
A40
-
C770N
No
Loudspeaker
A40
Yes
C770N
Yes
3.5mm jack
A40
Yes
C770N
Yes
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C770N
No
Bluetooth
A40
2.0
C770N
2.0
Positioning
A40
GPS
C770N
No
NFC
A40
No
C770N
-
Radio
A40
FM radio
C770N
Stereo FM radio
USB
A40
microUSB 2.0
C770N
microUSB
Sensors
A40
Accelerometer, proximity
C770N
Messaging
A40
-
C770N
SMS, MMS
Games
A40
-
C770N
Yes
Java
A40
-
C770N
No
Other
A40
-
C770N
Audio/video player
Type
A40
Li-Ion 1500 mAh battery
C770N
Removable Li-Ion 1500 mAh battery
Stand-by
A40
-
C770N
Up to 350 h
Talk time
A40
-
C770N
Up to 9 h 20 min
Colors
A40
White, Yellow, Blue
C770N
Black/Red