Screen size
A53—
SF71Winner: 2.0"
Quick verdict
SF71 leads the measured specs 5-3.
Measured wins
A53
3
spec wins
Ties
4
equal specs
SF71
5
spec wins
Overall winner
Screen size
Technology
A53
GSM
SF71
GSM / UMTS
2G bands
A53
GSM 900 / 1800 / 1900
SF71
GSM 900 / 1800 / 1900
GPRS
A53
Class 12
SF71
-
EDGE
A53
No
SF71
-
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
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
3G bands
A53
-
SF71
UMTS 2100
Speed
A53
-
SF71
Yes, 384 kbps
Announced
A53
2007, April
SF71
2007, March
Status
A53
Discontinued
SF71
Discontinued
Dimensions
A53
80 x 42 x 14.8 mm (3.15 x 1.65 x 0.58 in)
SF71
96 x 48 x 23 mm (3.78 x 1.89 x 0.91 in)
Weight
A53
68 g (2.40 oz)
SF71
118 g (4.16 oz)
SIM
A53
Mini-SIM
SF71
Mini-SIM
Type
A53
TFT, 256K colors
SF71
TFT, 256K colors
Size
A53
SF71
2.0 inches, 12.4 cm2 (~26.9% screen-to-body ratio)
Resolution
A53
176 x 220 pixels
SF71
240 x 320 pixels, 4:3 ratio (~200 ppi density)
Other
A53
Second external 65K colors CSTN display, 120 x 160 pixels
SF71
Second external 65K colors display, OLED (96 x 64 pixels)
Card slot
A53
microSD (dedicated slot)
SF71
microSD (dedicated slot)
Phonebook
A53
Yes
SF71
500 x 20 fields, Photo call
Call records
A53
20 dialed, 20 received, 20 missed calls
SF71
100 dialed, 100 received, 100 missed calls
Internal
A53
-
SF71
45MB
Single
A53
1.3 MP
SF71
2 MP
Video
A53
Yes
SF71
Yes
Features
A53
-
SF71
LED flash
Other
A53
No
SF71
-
Single
A53
-
SF71
VGA videocall camera
Video
A53
-
SF71
Loudspeaker
A53
Yes
SF71
No
3.5mm jack
A53
No
SF71
No
Alert types
A53
-
SF71
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
A53
No
SF71
No
Bluetooth
A53
No
SF71
1.1, A2DP
Positioning
A53
No
SF71
No
Radio
A53
No
SF71
No
USB
A53
1.1
SF71
1.1
Sensors
A53
SF71
Messaging
A53
SMS, MMS, Email
SF71
SMS, MMS, Email
Browser
A53
WAP 2.0/xHTML
SF71
WAP 2.0/xHTML, HTML
Games
A53
Yes
SF71
5 - StarWars, SeaBattle, SuperBomber + downloadable
Java
A53
Yes, MIDP 2.0
SF71
Yes, MIDP 2.0
Other
A53
MP3 player Organizer Voice memo Predictive text input
SF71
Video telephony MP3/AAC/AAC+/eAAC+ player Photo editor Predictive text input Voice dial Stopwatch Organizer
Type
A53
Removable Li-Ion 600 mAh battery
SF71
Removable Li-Ion 920 mAh battery
Stand-by
A53
Up to 200 h
SF71
Up to 160 h
Talk time
A53
Up to 3 h 20 min
SF71
Up to 4 h 30 min
Colors
A53
Black, Blue, Pink
SF71
Black