Screen size
A3Winner: 4.0"+56%
K1+ Stereo1.8"
Quick verdict
A3 leads the measured specs 8-2.
Measured wins
A3
8
spec wins
Overall winner
Ties
3
equal specs
K1+ Stereo
2
spec wins
Screen size
Technology
A3
GSM
K1+ Stereo
GSM
2G bands
A3
GSM 850 / 1900 - SIM 1 & SIM 2, GSM 900 / 1800 - SIM 1 & SIM 2
K1+ Stereo
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A3
Yes
K1+ Stereo
Yes
EDGE
A3
Yes
K1+ Stereo
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
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
No
Announced
A3
2013, March. Released 2013, March
K1+ Stereo
2012
Status
A3
Discontinued
K1+ Stereo
Discontinued
Dimensions
A3
113 x 61 x 13.5 mm (4.45 x 2.40 x 0.53 in)
K1+ Stereo
109 x 44 x 14.4 mm (4.29 x 1.73 x 0.57 in)
Weight
A3
90 g (3.17 oz)
K1+ Stereo
78 g (2.75 oz)
SIM
A3
Dual SIM (Mini-SIM)
K1+ Stereo
Dual SIM (Mini-SIM)
Type
A3
TFT
K1+ Stereo
TFT, 65K colors
Size
A3
4.0 inches, 47.6 cm2 (~69.1% screen-to-body ratio)
K1+ Stereo
1.77 inches, 9.9 cm2 (~20.6% screen-to-body ratio)
Resolution
A3
320 x 480 pixels, 3:2 ratio (~144 ppi density)
K1+ Stereo
128 x 160 pixels (~116 ppi density)
OS
A3
Android 2.3.6 (Gingerbread)
K1+ Stereo
-
CPU
A3
1.0 GHz
K1+ Stereo
-
Card slot
A3
microSDHC (dedicated slot)
K1+ Stereo
microSDHC (dedicated slot)
Internal
A3
256MB RAM, 512MB
K1+ Stereo
-
Phonebook
A3
-
K1+ Stereo
250 entries
Call records
A3
-
K1+ Stereo
Yes
Single
A3
3.15 MP
K1+ Stereo
VGA
Video
A3
Yes
K1+ Stereo
Yes
Single
A3
VGA
K1+ Stereo
-
Video
A3
K1+ Stereo
-
Other
A3
-
K1+ Stereo
No
Loudspeaker
A3
Yes
K1+ Stereo
Yes
3.5mm jack
A3
Yes
K1+ Stereo
No
WLAN
A3
Wi-Fi 802.11 b/g/n, hotspot
K1+ Stereo
No
Bluetooth
A3
Yes
K1+ Stereo
2.0
Positioning
A3
No
K1+ Stereo
No
NFC
A3
No
K1+ Stereo
No
Radio
A3
FM radio
K1+ Stereo
FM radio
USB
A3
Proprietary
K1+ Stereo
microUSB
Sensors
A3
Accelerometer
K1+ Stereo
Messaging
A3
-
K1+ Stereo
SMS
Games
A3
-
K1+ Stereo
Yes
Java
A3
-
K1+ Stereo
Yes
Other
A3
-
K1+ Stereo
Audio/video player Photo viewer Organizer
Type
A3
Li-Ion 1400 mAh battery
K1+ Stereo
Li-Ion 1000 mAh, removable
Stand-by
A3
Up to 250 h
K1+ Stereo
Up to 250 h
Talk time
A3
Up to 4 h 20 min
K1+ Stereo
Up to 5 h
Colors
A3
White/Black
K1+ Stereo
White/Black, Black/Red
Price
A3
About 70 EUR
K1+ Stereo
About 30 EUR
SAR EU
A3
-
K1+ Stereo
0.85 W/kg (head)