Screen size
A10 PlusWinner: 5.3"+34%
A4 Duo3.5"
Quick verdict
A10 Plus leads the measured specs 12-0.
Measured wins
A10 Plus
12
spec wins
Overall winner
Ties
5
equal specs
A4 Duo
0
spec wins
Screen size
Technology
A10 Plus
GSM / HSPA
A4 Duo
GSM / HSPA
2G bands
A10 Plus
GSM 850 / 900 / 1800 / 1900
A4 Duo
GSM 900 / 1800
3G bands
A10 Plus
HSDPA 900 / 2100
A4 Duo
HSDPA 900 / 2100
Speed
A10 Plus
HSPA 21.1/5.76 Mbps
A4 Duo
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
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
HSPA
Announced
A10 Plus
2018, November. Released 2018, November
A4 Duo
2013, November. Released 2013, November
Status
A10 Plus
Discontinued
A4 Duo
Discontinued
Dimensions
A10 Plus
151 x 71.8 x 9.6 mm (5.94 x 2.83 x 0.38 in)
A4 Duo
116.1 x 63.2 x 12 mm (4.57 x 2.49 x 0.47 in)
Weight
A10 Plus
150 g (5.29 oz)
A4 Duo
110.6 (3.88 oz)
SIM
A10 Plus
Nano-SIM + Nano-SIM
A4 Duo
Dual SIM (dual stand-by)
Type
A10 Plus
IPS LCD
A4 Duo
TFT
Size
A10 Plus
5.34 inches, 73.6 cm2 (~67.9% screen-to-body ratio)
A4 Duo
3.5 inches, 36.5 cm2 (~49.7% screen-to-body ratio)
Resolution
A10 Plus
480 x 960 pixels, 18:9 ratio (~201 ppi density)
A4 Duo
320 x 480 pixels, 3:2 ratio (~165 ppi density)
OS
A10 Plus
Android 8.1 Oreo (Go edition)
A4 Duo
Android 4.2 (Jelly Bean)
Chipset
A10 Plus
Mediatek MT6580 (28 nm)
A4 Duo
-
CPU
A10 Plus
Quad-core 1.3 GHz Cortex-A7
A4 Duo
Dual-core 1.0 GHz Cotex-A7
GPU
A10 Plus
Mali-400MP2
A4 Duo
Mali-400
Card slot
A10 Plus
microSDXC
A4 Duo
No
Internal
A10 Plus
8GB 1GB RAM
A4 Duo
512MB RAM
Single
A10 Plus
8 MP, AF
A4 Duo
2 MP
Features
A10 Plus
LED flash, HDR
A4 Duo
-
Video
A10 Plus
720p
A4 Duo
Yes
Single
A10 Plus
5 MP
A4 Duo
-
Features
A10 Plus
LED flash
A4 Duo
-
Video
A10 Plus
A4 Duo
-
Other
A10 Plus
-
A4 Duo
No
Loudspeaker
A10 Plus
Yes
A4 Duo
Yes
3.5mm jack
A10 Plus
Yes
A4 Duo
Yes
WLAN
A10 Plus
Wi-Fi 802.11 b/g/n
A4 Duo
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct
Bluetooth
A10 Plus
4.0, A2DP, LE
A4 Duo
4.0, A2DP, EDR
Positioning
A10 Plus
GPS
A4 Duo
No
NFC
A10 Plus
No
A4 Duo
No
Radio
A10 Plus
FM radio
A4 Duo
FM radio
USB
A10 Plus
microUSB 2.0
A4 Duo
microUSB 2.0
Sensors
A10 Plus
Accelerometer
A4 Duo
Accelerometer, proximity
Type
A10 Plus
Li-Ion 2200 mAh battery
A4 Duo
Li-Ion 1200 mAh, removable
Stand-by
A10 Plus
-
A4 Duo
Up to 200 h
Talk time
A10 Plus
-
A4 Duo
Up to 8 h 20 min
Colors
A10 Plus
Gray
A4 Duo
Black
SAR EU
A10 Plus
0.99 W/kg (head)
A4 Duo
-
Price
A10 Plus
-
A4 Duo
About 80 EUR