Screen size
A25Winner: 5.0"+48%
K4+ Titan2.6"
Quick verdict
A25 leads the measured specs 7-4.
Measured wins
A25
7
spec wins
Overall winner
Ties
3
equal specs
K4+ Titan
4
spec wins
Screen size
Technology
A25
GSM
K4+ Titan
GSM
2G bands
A25
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
K4+ Titan
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A25
Yes
K4+ Titan
Yes
EDGE
A25
Yes
K4+ Titan
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
A25
2013. Released 2013
K4+ Titan
2012
Status
A25
Discontinued
K4+ Titan
Discontinued
Dimensions
A25
146 x 78.6 x 10.5 mm (5.75 x 3.09 x 0.41 in)
K4+ Titan
118.8 x 52.5 x 14.9 mm (4.68 x 2.07 x 0.59 in)
Weight
A25
150 g (5.29 oz)
K4+ Titan
95 g (3.35 oz)
SIM
A25
Dual SIM
K4+ Titan
Dual SIM (Mini-SIM)
Type
A25
TFT
K4+ Titan
TFT, 65K colors
Size
A25
5.0 inches, 71.2 cm2 (~62.0% screen-to-body ratio)
K4+ Titan
2.6 inches, 20.9 cm2 (~33.6% screen-to-body ratio)
Resolution
A25
480 x 800 pixels, 5:3 ratio (~187 ppi density)
K4+ Titan
240 x 320 pixels, 4:3 ratio (~154 ppi density)
OS
A25
Android 4.0 (Ice Cream Sandwich)
K4+ Titan
-
CPU
A25
Dual-core 1.0 GHz
K4+ Titan
-
Card slot
A25
microSDHC (dedicated slot)
K4+ Titan
microSDHC (dedicated slot)
Internal
A25
114MB
K4+ Titan
-
Phonebook
A25
-
K4+ Titan
500 entries
Call records
A25
-
K4+ Titan
Yes
Single
A25
5 MP
K4+ Titan
1.3 MP
Features
A25
LED flash
K4+ Titan
-
Video
A25
Yes
K4+ Titan
Yes
Single
A25
Yes
K4+ Titan
-
Video
A25
K4+ Titan
-
Other
A25
-
K4+ Titan
No
Loudspeaker
A25
Yes
K4+ Titan
Yes, with stereo speakers
3.5mm jack
A25
Yes
K4+ Titan
No
WLAN
A25
Wi-Fi 802.11 b/g/n
K4+ Titan
No
Bluetooth
A25
Yes
K4+ Titan
2.0
Positioning
A25
No
K4+ Titan
No
NFC
A25
No
K4+ Titan
No
Radio
A25
FM radio
K4+ Titan
Wireless FM radio (no wired headphones required)
USB
A25
Proprietary
K4+ Titan
microUSB
Sensors
A25
Accelerometer, proximity
K4+ Titan
Messaging
A25
-
K4+ Titan
SMS, MMS
Games
A25
-
K4+ Titan
Yes
Java
A25
-
K4+ Titan
Yes
Other
A25
-
K4+ Titan
Audio/video player Photo viewer Organizer
Type
A25
Li-Ion 2000 mAh battery
K4+ Titan
Li-Ion 2200 mAh battery
Stand-by
A25
Up to 300 h
K4+ Titan
Up to 600 h
Talk time
A25
Up to 6 h
K4+ Titan
Up to 10 h
Colors
A25
White/Black
K4+ Titan
Black/Silver, White/Black
SAR EU
A25
0.50 W/kg (head)
K4+ Titan
0.95 W/kg (head)
Price
A25
About 80 EUR
K4+ Titan
About 30 EUR