Screen size
101Winner: 1.5"
510—
Quick verdict
101 leads the measured specs 4-3.
Measured wins
101
4
spec wins
Overall winner
Ties
2
equal specs
510
3
spec wins
Screen size
Technology
101
GSM
510
GSM
2G bands
101
GSM 900 / 1800
510
GSM 900 / 1800 / 1900
GPRS
101
No
510
Class 10
EDGE
101
No
510
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
Stereo speakers
Announced
101
2008, May. Released 2008, May
510
2006, April. Released 2006, April
Status
101
Discontinued
510
Discontinued
Dimensions
101
103 x 45 x 14.4 mm (4.06 x 1.77 x 0.57 in)
510
99 x 44 x 15 mm (3.90 x 1.73 x 0.59 in)
Weight
101
69.6 g (2.36 oz)
510
75 g (2.65 oz)
SIM
101
Mini-SIM
510
Mini-SIM
Type
101
CSTN, 65K colors
510
TFT, 256K colors
Size
101
1.5 inches, 7.3 cm2 (~15.7% screen-to-body ratio)
510
Resolution
101
128 x 128 pixels, 1:1 ratio (~121 ppi density)
510
128 x 160 pixels
Other
101
wallpapers
510
wallpapers
Card slot
101
No
510
microSD (dedicated slot)
Phonebook
101
255 entries
510
Yes
Call records
101
Yes
510
Yes
Internal
101
-
510
64MB
Other
101
No
510
-
Loudspeaker
101
No
510
No
Alert types
101
Vibration; Downloadable polyphonic ringtones
510
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
101
No
510
No
WLAN
101
No
510
No
Bluetooth
101
No
510
No
Positioning
101
No
510
No
Radio
101
No
510
FM radio
USB
101
No
510
Proprietary
Sensors
101
510
Messaging
101
SMS(100)
510
SMS, EMS, MMS
Browser
101
No
510
WAP 2.0/xHTML
Games
101
Yes
510
Yes
Java
101
No
510
No
Other
101
Organizer World clock Stop watch
510
MP3 player Video player Organizer World clock Stop watch
Type
101
Removable Li-Ion 680 mAh battery
510
Removable Li-Ion 720 mAh battery
Stand-by
101
Up to 150 h
510
Up to 200 h
Talk time
101
Up to 2 h 30 min
510
Up to 3 h
Colors
101
Black, White, Gray
510
Single
101
-
510
VGA
Video
101
-
510
Yes
Other
101
-
510
No