Screen size
A153.5"
A40Winner: 4.0"+13%
Quick verdict
A40 leads the measured specs 8-1.
Measured wins
A15
1
spec wins
Ties
5
equal specs
A40
8
spec wins
Overall winner
Screen size
Technology
A15
GSM
A40
GSM
2G bands
A15
GSM 900 / 1800 - SIM 1 & SIM 2
A40
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A15
Class 12
A40
Yes
EDGE
A15
Yes
A40
Yes
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
A15
2013, October. Released 2013, October
A40
2014, January. Released 2014, January
Status
A15
Discontinued
A40
Discontinued
Dimensions
A15
-
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
Weight
A15
-
A40
126.5 (4.44 oz)
SIM
A15
Dual SIM (Mini-SIM)
A40
Dual SIM
Type
A15
TFT
A40
TFT
Size
A15
3.5 inches, 36.5 cm2
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
Resolution
A15
320 x 480 pixels, 3:2 ratio (~165 ppi density)
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
A15
Android 4.2.2 (Jelly Bean)
A40
Android 4.2.2 (Jelly Bean)
CPU
A15
Dual-core 1.0 GHz
A40
Dual-core 1.3 GHz
Card slot
A15
microSDHC (dedicated slot)
A40
microSDHC (dedicated slot)
Internal
A15
512MB 256MB RAM
A40
4GB 512MB RAM
Single
A15
3.15 MP
A40
5 MP
Video
A15
Yes
A40
Yes
Single
A15
VGA
A40
VGA
Video
A15
A40
Loudspeaker
A15
Yes
A40
Yes
3.5mm jack
A15
Yes
A40
Yes
WLAN
A15
Wi-Fi 802.11 b/g/n, hotspot
A40
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
A15
Yes
A40
2.0
Positioning
A15
No
A40
GPS
NFC
A15
No
A40
No
Radio
A15
FM radio
A40
FM radio
USB
A15
microUSB 2.0
A40
microUSB 2.0
Sensors
A15
Accelerometer
A40
Accelerometer, proximity
Type
A15
Li-Ion 1400 mAh battery
A40
Li-Ion 1500 mAh battery
Colors
A15
White
A40
White, Yellow, Blue
SAR EU
A15
0.68 W/kg (head) 0.60 W/kg (body)
A40
-
Price
A15
About 50 EUR
A40
-