Screen size
AF51—
CF75—
Quick verdict
AF51 leads the measured specs 3-1.
Measured wins
AF51
3
spec wins
Overall winner
Ties
3
equal specs
CF75
1
spec wins
Screen size
Technology
AF51
GSM
CF75
GSM
2G bands
AF51
GSM 900 / 1800 / 1900
CF75
GSM 900 / 1800 / 1900
GPRS
AF51
Class 8
CF75
Class 10
EDGE
AF51
No
CF75
Yes
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
AF51
2005, November
CF75
2005, Q1
Status
AF51
Discontinued
CF75
Discontinued
Dimensions
AF51
79 x 41 x 19.6 mm (3.11 x 1.61 x 0.77 in)
CF75
94 x 47 x 22 mm, 80 cc (3.70 x 1.85 x 0.87 in)
Weight
AF51
80 g (2.82 oz)
CF75
91 g (3.21 oz)
SIM
AF51
Mini-SIM
CF75
Mini-SIM
Type
AF51
CSTN, 65K colors
CF75
CSTN, 65K colors
Size
AF51
CF75
Resolution
AF51
130 x 130 pixels, 1:1 ratio
CF75
128 x 160 pixels
Other
AF51
Second external 65K colors display, CSTN (96 x 64 pixels)
CF75
Second external 4K colors display, CSTN (96 x 64 pixels) 5-way navigation key
Card slot
AF51
No
CF75
No
Phonebook
AF51
Yes
CF75
1000 x 20 fields, Photo call
Call records
AF51
10 dialed, 10 received, 10 missed calls
CF75
10 dialed, 10 received, 10 missed calls
Internal
AF51
-
CF75
10MB
Other
AF51
No
CF75
-
Loudspeaker
AF51
Yes
CF75
Yes
Alert types
AF51
Vibration; Polyphonic(32) ringtones
CF75
Vibration; Downloadable polyphonic ringtones
3.5mm jack
AF51
No
CF75
No
WLAN
AF51
No
CF75
No
Bluetooth
AF51
No
CF75
No
Positioning
AF51
No
CF75
No
Radio
AF51
No
CF75
No
USB
AF51
CF75
Proprietary
Infrared port
AF51
-
CF75
Yes
Sensors
AF51
CF75
Messaging
AF51
SMS, MMS
CF75
SMS, EMS, MMS, EMail
Browser
AF51
WAP 1.2.1
CF75
WAP 2.0/xHTML
Games
AF51
Yes + downloadable
CF75
Yes + downloadable
Java
AF51
Yes, MIDP 1.0
CF75
Yes, MIDP 2.0
Other
AF51
Predictive text input Organizer Voice dial
CF75
Push to talk Media player Predictive text input Organizer SyncML Voice memo
Type
AF51
Removable Li-Ion 620 mAh battery
CF75
Removable Li-Ion 600 mAh battery
Stand-by
AF51
Up to 220 h
CF75
Up to 250 h
Talk time
AF51
Up to 5 h
CF75
Up to 2 h 30 min
Colors
AF51
Panther Black, Dolphin Grey
CF75
Ocean blue, Pearl black
Single
AF51
-
CF75
VGA
Video
AF51
-
CF75
Yes
Other
AF51
-
CF75
No