Screen size
A51—
A70—
Quick verdict
A70 leads the measured specs 2-1.
Measured wins
A51
1
spec wins
Ties
3
equal specs
A70
2
spec wins
Overall winner
Screen size
Technology
A51
GSM
A70
GSM
2G bands
A51
GSM 900 / 1800
A70
GSM 900 / 1800 / 1900 , GSM 850 / 1800 / 1900 - US version
GPRS
A51
A70
EDGE
A51
No
A70
No
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
A51
2004, Q4
A70
2005, Q1
Status
A51
Discontinued
A70
Discontinued
Dimensions
A51
103 x 46 x 21 mm, 75 cc (4.06 x 1.81 x 0.83 in)
A70
101 x 45 x 20 mm (3.98 x 1.77 x 0.79 in)
Weight
A51
84 g (2.96 oz)
A70
78 g (2.75 oz)
SIM
A51
Mini-SIM
A70
Mini-SIM
Type
A51
Monochrome graphic
A70
Monochrome graphic
Size
A51
A70
Resolution
A51
101 x 64 pixels, 5 lines
A70
101 x 64 pixels
Other
A51
Screensavers
A70
Softkeys
Card slot
A51
No
A70
No
Phonebook
A51
50 entries
A70
250 entries (SIM)
Call records
A51
10 dialed, 10 received, 10 missed calls
A70
10 dialed, 10 received, 10 missed calls
Other
A51
No
A70
No
Loudspeaker
A51
No
A70
No
Alert types
A51
Downloadable polyphonic ringtones
A70
Vibration; Polyphonic(32) ringtones
3.5mm jack
A51
No
A70
No
WLAN
A51
No
A70
No
Bluetooth
A51
No
A70
No
Positioning
A51
No
A70
No
Radio
A51
No
A70
No
USB
A51
A70
Sensors
A51
A70
Messaging
A51
SMS, EMS
A70
SMS, EMS
Browser
A51
WAP 1.2.1
A70
Games
A51
Stack Attack and Wacko
A70
2 - Balloon Shooter and Stack Attack
Java
A51
No
A70
No
Other
A51
Predictive text input Currency converter Calculator Exchangable covers
A70
Predictive text input Calculator
Type
A51
Removable Li-Ion 700 mAh battery
A70
Removable Li-Ion 650 mAh battery
Stand-by
A51
Up to 250 h
A70
Up to 250 h
Talk time
A51
Up to 5 h
A70
Up to 5 h
Colors
A51
Urban Grey
A70
2 - Pebble, Palladium