Screen size
A2Winner: 4.0"+5%
A93.8"
Quick verdict
A9 leads the measured specs 5-4.
Measured wins
A2
4
spec wins
Ties
5
equal specs
A9
5
spec wins
Overall winner
Screen size
Technology
A2
GSM
A9
GSM / HSPA
2G bands
A2
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
A9
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
A2
Yes
A9
Yes
EDGE
A2
Yes
A9
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Yes
3G bands
A2
-
A9
HSDPA
Speed
A2
-
A9
HSPA
Announced
A2
2013, March. Released 2013, March
A9
2012
Status
A2
Discontinued
A9
Discontinued
Dimensions
A2
124 x 63.6 x 12.4 mm (4.88 x 2.50 x 0.49 in)
A9
120 x 60.5 x 11.3 mm (4.72 x 2.38 x 0.44 in)
Weight
A2
110 g (3.88 oz)
A9
-
SIM
A2
Dual SIM (Mini-SIM)
A9
Dual SIM (Mini-SIM)
Type
A2
TFT
A9
TFT, 256K colors
Size
A2
4.0 inches, 45.5 cm2 (~57.7% screen-to-body ratio)
A9
3.8 inches, 41.1 cm2 (~56.6% screen-to-body ratio)
Resolution
A2
480 x 800 pixels, 5:3 ratio (~233 ppi density)
A9
480 x 800 pixels, 5:3 ratio (~246 ppi density)
OS
A2
Android 2.3.6 (Gingerbread)
A9
Android 2.3.6 (Gingerbread)
CPU
A2
-
A9
1.0 GHz
Card slot
A2
microSDHC (dedicated slot)
A9
microSDHC (dedicated slot)
Internal
A2
200MB
A9
512MB
Single
A2
3.15 MP
A9
5 MP, AF
Video
A2
Yes
A9
Yes
Features
A2
-
A9
LED flash
Single
A2
Yes
A9
Yes
Video
A2
A9
Loudspeaker
A2
Yes
A9
Yes
3.5mm jack
A2
Yes
A9
Yes
WLAN
A2
No
A9
Wi-Fi 802.11 b/g/n
Bluetooth
A2
Yes
A9
2.1, A2DP
Positioning
A2
No
A9
GPS
NFC
A2
No
A9
No
Radio
A2
FM radio
A9
FM radio
USB
A2
Proprietary
A9
microUSB 2.0
Sensors
A2
Accelerometer
A9
Accelerometer, proximity
Type
A2
Li-Ion 1750 mAh battery
A9
Li-Ion 1600 mAh, removable
Stand-by
A2
Up to 120 h
A9
Up to 200 h
Talk time
A2
Up to 3 h 30 min
A9
Up to 4 h
Colors
A2
White/Black
A9
Black, White
Price
A2
About 70 EUR
A9
About 110 EUR
SAR
A2
-
A9
0.68 W/kg (head)