Screen size
A40Winner: 4.0"+35%
C5042.6"
Quick verdict
A40 leads the measured specs 11-0.
Measured wins
A40
11
spec wins
Overall winner
Ties
3
equal specs
C504
0
spec wins
Screen size
Technology
A40
GSM
C504
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C504
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
A40
Yes
C504
Yes
EDGE
A40
Yes
C504
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
No
Announced
A40
2014, January. Released 2014, January
C504
2012
Status
A40
Discontinued
C504
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C504
117 x 49 x 13.9 mm (4.61 x 1.93 x 0.55 in)
Weight
A40
126.5 (4.44 oz)
C504
-
SIM
A40
Dual SIM
C504
Dual SIM (Mini-SIM)
Other
A40
-
C504
Flashlight
Type
A40
TFT
C504
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C504
2.6 inches, 20.9 cm2 (~36.5% screen-to-body ratio)
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C504
240 x 320 pixels, 4:3 ratio (~154 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
C504
-
CPU
A40
Dual-core 1.3 GHz
C504
-
Card slot
A40
microSDHC (dedicated slot)
C504
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
C504
-
Phonebook
A40
-
C504
500 entries
Call records
A40
-
C504
20 dialed, 20 received, 20 missed calls
Single
A40
5 MP
C504
2 MP
Video
A40
Yes
C504
Yes
Single
A40
VGA
C504
-
Video
A40
C504
-
Other
A40
-
C504
No
Loudspeaker
A40
Yes
C504
Yes
3.5mm jack
A40
Yes
C504
No
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C504
No
Bluetooth
A40
2.0
C504
2.0
Positioning
A40
GPS
C504
No
NFC
A40
No
C504
-
Radio
A40
FM radio
C504
Stereo FM radio
USB
A40
microUSB 2.0
C504
microUSB
Sensors
A40
Accelerometer, proximity
C504
Messaging
A40
-
C504
SMS, MMS
Games
A40
-
C504
Yes
Java
A40
-
C504
No
Other
A40
-
C504
Audio/video player
Type
A40
Li-Ion 1500 mAh battery
C504
Removable Li-Ion 1400 mAh battery
Stand-by
A40
-
C504
Up to 550 h
Talk time
A40
-
C504
Up to 6 h 40 min
Colors
A40
White, Yellow, Blue
C504
Black/Blue