Screen size
equal specsA3553.5"
A9 Dual3.5"
Quick verdict
A355 and A9 Dual are close on the measured specs.
Measured wins
A355
2
spec wins
Ties
10
equal specs
A9 Dual
2
spec wins
Screen size
equal specsTechnology
A355
GSM / HSPA
A9 Dual
GSM
2G bands
A355
GSM 900 / 1800 - SIM 1 & SIM 2
A9 Dual
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
A355
HSDPA
A9 Dual
-
Speed
A355
HSPA
A9 Dual
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
-
GPRS
A355
Yes
A9 Dual
Yes
EDGE
A355
Yes
A9 Dual
Yes
Announced
A355
2015, May. Released 2015, May
A9 Dual
2014
Status
A355
Discontinued
A9 Dual
Discontinued
Dimensions
A355
115.3 x 63.3 x 10.2 mm (4.54 x 2.49 x 0.40 in)
A9 Dual
120.5 x 63.9 x 10.6 mm (4.74 x 2.52 x 0.42 in)
Weight
A355
97.5 g (3.46 oz)
A9 Dual
116 g (4.09 oz)
SIM
A355
Dual SIM
A9 Dual
Dual SIM
Type
A355
TFT, 256K colors
A9 Dual
TFT
Size
A355
3.5 inches, 36.5 cm2 (~50.0% screen-to-body ratio)
A9 Dual
3.5 inches, 36.5 cm2 (~47.4% screen-to-body ratio)
Resolution
A355
320 x 480 pixels, 3:2 ratio (~165 ppi density)
A9 Dual
320 x 480 pixels, 3:2 ratio (~165 ppi density)
OS
A355
Android 4.4.2 (KitKat)
A9 Dual
Android 4.2.2 (Jelly Bean)
Chipset
A355
Spreadtrum 7715
A9 Dual
-
CPU
A355
1.0 GHz
A9 Dual
Dual-core 1.0 GHz
GPU
A355
Mali-400
A9 Dual
-
Card slot
A355
microSDHC
A9 Dual
microSDHC
Internal
A355
512MB 256MB RAM
A9 Dual
512MB 256MB RAM
Single
A355
2 MP
A9 Dual
2 MP
Features
A355
Dual-LED flash
A9 Dual
-
Video
A355
Yes
A9 Dual
Yes
Single
A355
VGA
A9 Dual
VGA
Video
A355
A9 Dual
Loudspeaker
A355
Yes
A9 Dual
Yes
3.5mm jack
A355
Yes
A9 Dual
Yes
WLAN
A355
Wi-Fi 802.11 b/g/n
A9 Dual
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
A355
2.0
A9 Dual
2.0
Positioning
A355
GPS
A9 Dual
GPS
NFC
A355
No
A9 Dual
No
Radio
A355
FM radio
A9 Dual
FM radio
USB
A355
microUSB
A9 Dual
microUSB 2.0
Sensors
A355
Accelerometer
A9 Dual
Accelerometer
Type
A355
Li-Ion 1200 mAh battery
A9 Dual
Li-Ion 1350 mAh battery
Stand-by
A355
-
A9 Dual
Up to 240 h
Talk time
A355
-
A9 Dual
Up to 3 h 20 min
Colors
A355
Light Blue, Dart Blue, Red, Yellow, White
A9 Dual
White, Black
SAR EU
A355
0.49 W/kg (head) 0.84 W/kg (body)
A9 Dual
0.61 W/kg (head) 0.69 W/kg (body)