Screen size
equal specsA204.0"
Q4054.0"
Quick verdict
Q405 leads the measured specs 5-1.
Measured wins
A20
1
spec wins
Ties
10
equal specs
Q405
5
spec wins
Overall winner
Screen size
equal specsTechnology
A20
GSM / HSPA
Q405
GSM / HSPA
2G bands
A20
GSM 900 / 1800 - SIM 1 & SIM 2
Q405
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
A20
HSDPA 2100
Q405
HSDPA
Speed
A20
Yes, 384 kbps
Q405
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA
GPRS
A20
-
Q405
Yes
EDGE
A20
-
Q405
Yes
Announced
A20
2013, August. Released 2013, August
Q405
2015, May. Released 2015, May
Status
A20
Discontinued
Q405
Discontinued
Dimensions
A20
-
Q405
124 x 64.2 x 9.9 mm (4.88 x 2.53 x 0.39 in)
Weight
A20
-
Q405
137 g (4.83 oz)
SIM
A20
Dual SIM (Mini-SIM)
Q405
Dual SIM
Type
A20
TFT
Q405
TFT, 256K colors
Size
A20
4.0 inches, 45.5 cm2
Q405
4.0 inches, 45.5 cm2 (~57.2% screen-to-body ratio)
Resolution
A20
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Q405
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
A20
Android 4.2.0 (Jelly Bean)
Q405
Android 4.4 (KitKat)
CPU
A20
Dual-core 1.2 GHz
Q405
Quad-core 1.2 GHz
Chipset
A20
-
Q405
Spreadtrum 7731
GPU
A20
-
Q405
Mali-400
Card slot
A20
microSDHC (dedicated slot)
Q405
microSDHC
Internal
A20
256MB 512MB RAM
Q405
4GB 512MB RAM
Single
A20
3.15 MP
Q405
3.15 MP
Video
A20
Yes
Q405
Yes
Features
A20
-
Q405
LED flash
Single
A20
VGA
Q405
1.3 MP
Video
A20
Q405
Loudspeaker
A20
Yes
Q405
Yes
3.5mm jack
A20
Yes
Q405
Yes
WLAN
A20
Wi-Fi 802.11 b/g/n
Q405
Wi-Fi 802.11 b/g/n
Bluetooth
A20
Yes
Q405
2.0
Positioning
A20
No
Q405
GPS
NFC
A20
No
Q405
No
USB
A20
microUSB 2.0
Q405
microUSB
Radio
A20
-
Q405
FM radio
Sensors
A20
Proximity, gyro
Q405
Accelerometer, proximity
Type
A20
Li-Ion 1500 mAh battery
Q405
Li-Ion 1500 mAh battery
Colors
A20
Black
Q405
Black, White, Gold, Blue
SAR EU
A20
0.88 W/kg (head) 0.60 W/kg (body)
Q405
0.25 W/kg (head) 0.55 W/kg (body)
Price
A20
About 60 EUR
Q405
-