Screen size
equal specsA404.0"
A904.0"
Quick verdict
A40 leads the measured specs 5-1.
Measured wins
A40
5
spec wins
Overall winner
Ties
9
equal specs
A90
1
spec wins
Screen size
equal specsTechnology
A40
GSM
A90
GSM / HSPA
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
A90
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
A40
Yes
A90
-
EDGE
A40
Yes
A90
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
A40
-
A90
HSDPA 850 / 900 / 1900 / 2100
Speed
A40
-
A90
HSPA
Announced
A40
2014, January. Released 2014, January
A90
2012, Q2. Released 2012, Q3
Status
A40
Discontinued
A90
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
A90
128 x 66 x 11.5 mm (5.04 x 2.60 x 0.45 in)
Weight
A40
126.5 (4.44 oz)
A90
128 g (4.52 oz)
SIM
A40
Dual SIM
A90
Dual SIM (Mini-SIM)
Type
A40
TFT
A90
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
A90
4.0 inches, 45.5 cm2 (~53.9% screen-to-body ratio)
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
A90
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
A90
Android 2.3.5 (Gingerbread)
CPU
A40
Dual-core 1.3 GHz
A90
650 MHz
Card slot
A40
microSDHC (dedicated slot)
A90
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
A90
-
Single
A40
5 MP
A90
5 MP
Video
A40
Yes
A90
Yes
Single
A40
VGA
A90
Yes
Video
A40
A90
Loudspeaker
A40
Yes
A90
Yes
3.5mm jack
A40
Yes
A90
Yes
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
A90
Wi-Fi 802.11 b/g, hotspot
Bluetooth
A40
2.0
A90
2.0, A2DP
Positioning
A40
GPS
A90
GPS, A-GPS
NFC
A40
No
A90
-
Radio
A40
FM radio
A90
Stereo FM radio, RDS, recording; FM transmitter
USB
A40
microUSB 2.0
A90
microUSB 2.0
Sensors
A40
Accelerometer, proximity
A90
Accelerometer, proximity, compass
Other
A40
-
A90
MP3/WAV/eAAC player MP4/H.264 player Document viewer Organizer Voice memo/dial Predictive text input
Type
A40
Li-Ion 1500 mAh battery
A90
Li-Ion 1420 mAh battery
Stand-by
A40
-
A90
Up to 300 h
Talk time
A40
-
A90
Up to 8 h 20 min
Colors
A40
White, Yellow, Blue
A90
Black