Screen size
E811.8"
S81Winner: 2.0"+10%
Quick verdict
S81 leads the measured specs 4-3.
Measured wins
E81
3
spec wins
Ties
5
equal specs
S81
4
spec wins
Overall winner
Screen size
Technology
E81
GSM / UMTS
S81
GSM / UMTS
2G bands
E81
GSM 900 / 1800 / 1900
S81
GSM 900 / 1800 / 1900
3G bands
E81
UMTS 2100
S81
UMTS 2100
Speed
E81
Yes, 384 kbps
S81
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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
Yes, 384 kbps
Announced
E81
2006, July
S81
2006, February
Status
E81
Discontinued
S81
Discontinued
Dimensions
E81
99.8 x 46.7 x 16.7 mm (3.93 x 1.84 x 0.66 in)
S81
109 x 48 x 13 mm (4.29 x 1.89 x 0.51 in)
Weight
E81
90 g (3.17 oz)
S81
99 g (3.49 oz)
SIM
E81
Mini-SIM
S81
Mini-SIM
Type
E81
TFT, 256K colors
S81
TFT, 256K colors
Size
E81
1.8 inches, 10.2 cm2 (~21.9% screen-to-body ratio)
S81
2.0 inches, 31 x 39 mm, 12.6 cm2 (~24.1% screen-to-body ratio)
Resolution
E81
176 x 220 pixels (~157 ppi density)
S81
176 x 220 pixels (~141 ppi density)
Card slot
E81
microSD (dedicated slot)
S81
microSD (dedicated slot)
Phonebook
E81
Yes, Photo call
S81
Yes, Photo call
Call records
E81
10 dialed, 10 received, 10 missed calls
S81
10 dialed, 10 received, 10 missed calls
Internal
E81
16MB
S81
30MB
Single
E81
1.3 MP
S81
1.3 MP
Features
E81
LED flash
S81
LED flash
Video
E81
QCIF
S81
Yes
Other
E81
No
S81
-
Single
E81
-
S81
VGA videocall camera
Video
E81
-
S81
Loudspeaker
E81
No
S81
No
Alert types
E81
Vibration; Downloadable polyphonic, MP3 ringtones
S81
Vibration; Downloadable polyphonic, MP3, AAC ringtones
3.5mm jack
E81
No
S81
No
WLAN
E81
No
S81
No
Bluetooth
E81
Yes
S81
1.1
Positioning
E81
No
S81
No
Radio
E81
No
S81
No
USB
E81
2.0
S81
Proprietary
Sensors
E81
S81
Messaging
E81
SMS, MMS, Email
S81
SMS, MMS, Email
Browser
E81
WAP 2.0/xHTML
S81
WAP 2.0/xHTML
Games
E81
Yes + downloadable
S81
Yes
Java
E81
Yes, MIDP 2.0
S81
Yes, MIDP 2.0
Other
E81
MP3/AAC/eAAC+/XMF player Predictive text input Reminder Organizer
S81
MP3/AAC player Video telephony iTap Stopwatch Organizer
Type
E81
Removable Li-Ion 900 mAh battery
S81
Removable Li-Ion 920 mAh battery
Stand-by
E81
Up to 300 h
S81
Up to 320 h
Talk time
E81
Up to 5 h
S81
Up to 4 h 50 min
Colors
E81
Lucent Black
S81
Black/Silver