Screen size
equal specsC811.8"
M811.8"
Quick verdict
C81 leads the measured specs 3-0.
Measured wins
C81
3
spec wins
Overall winner
Ties
9
equal specs
M81
0
spec wins
Screen size
equal specsTechnology
C81
GSM
M81
GSM
2G bands
C81
GSM 900 / 1800 / 1900
M81
GSM 900 / 1800 / 1900
GPRS
C81
Class 10
M81
Class 10
EDGE
C81
Class 10
M81
Class 10
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
C81
2006, March
M81
2006, June
Status
C81
Discontinued
M81
Discontinued
Dimensions
C81
104 x 46.5 x 17.7 mm (4.09 x 1.83 x 0.70 in)
M81
105.3 x 47.5 x 18.4 mm (4.15 x 1.87 x 0.72 in)
Weight
C81
90 g (3.17 oz)
M81
96 g (3.39 oz)
SIM
C81
Mini-SIM
M81
Mini-SIM
Other
C81
-
M81
Dust and shock resistant
Type
C81
TFT, 256K colors
M81
TFT, 256K colors
Size
C81
1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.7% screen-to-body ratio)
M81
1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.1% screen-to-body ratio)
Resolution
C81
132 x 176 pixels, 4:3 ratio (~122 ppi density)
M81
132 x 176 pixels, 4:3 ratio (~122 ppi density)
Card slot
C81
RS-MMC
M81
RS-MMC
Phonebook
C81
Yes, Photo call
M81
Yes, Photo call
Call records
C81
10 dialed, 10 received, 10 missed calls
M81
10 dialed, 10 received, 10 missed calls
Internal
C81
23MB
M81
27MB
Single
C81
1.3 MP
M81
1.3 MP
Video
C81
Yes
M81
Yes
Features
C81
-
M81
LED flash
Other
C81
No
M81
No
Loudspeaker
C81
No
M81
No
Alert types
C81
Vibration; Downloadable polyphonic, MP3, AAC ringtones
M81
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
C81
No
M81
No
WLAN
C81
No
M81
No
Bluetooth
C81
1.2, A2DP
M81
Yes
Positioning
C81
No
M81
No
Radio
C81
No
M81
No
USB
C81
2.0
M81
2.0
Sensors
C81
M81
Messaging
C81
SMS, MMS, EMail, Instant Messaging
M81
SMS, MMS, EMail, Instant Messaging
Browser
C81
WAP 2.0/xHTML
M81
WAP 2.0/xHTML
Games
C81
Yes + downloadable
M81
Yes + downloadable
Java
C81
Yes, MIDP 2.0
M81
Yes, MIDP 2.0
Other
C81
MP3/AAC player Predictive text input Organizer Voice memo
M81
MP3/AAC player Organizer Voice memo Predictive text input
Type
C81
Removable Li-Ion 820 mAh battery
M81
Removable Li-Ion 820 mAh battery
Stand-by
C81
Up to 300 h
M81
Up to 300 h
Talk time
C81
Up to 5 h
M81
Up to 5 h
Colors
C81
Piano Black
M81
Graphite Black, Steel Blue