Screen size
equal specsEF912.0"
S882.0"
Quick verdict
EF91 leads the measured specs 6-1.
Measured wins
EF91
6
spec wins
Overall winner
Ties
4
equal specs
S88
1
spec wins
Screen size
equal specsTechnology
EF91
GSM / HSPA
S88
GSM
2G bands
EF91
GSM 900 / 1800 / 1900
S88
GSM 900 / 1800 / 1900
3G bands
EF91
HSDPA 2100
S88
-
Speed
EF91
HSPA
S88
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
-
GPRS
EF91
-
S88
Class 10
EDGE
EF91
-
S88
No
Announced
EF91
2006, February
S88
2006, January
Status
EF91
Discontinued
S88
Discontinued
Dimensions
EF91
92 x 46.5 x 23.5 mm, 86 cc (3.62 x 1.83 x 0.93 in)
S88
99 x 47 x 17 mm (3.90 x 1.85 x 0.67 in)
Weight
EF91
100 g (3.53 oz)
S88
105 g (3.70 oz)
SIM
EF91
Mini-SIM
S88
Mini-SIM
Type
EF91
TFT, 256K colors
S88
AMOLED, 256K colors
Size
EF91
2.0 inches, 30 x 40 mm, 12.4 cm2 (~29.0% screen-to-body ratio)
S88
2.0 inches, 31 x 39 mm, 12.6 cm2 (~27.1% screen-to-body ratio)
Resolution
EF91
240 x 320 pixels, 4:3 ratio (~200 ppi density)
S88
176 x 220 pixels (~141 ppi density)
Other
EF91
Second external 65K colors display, OLED(96 x 64 pixels)
S88
-
Card slot
EF91
microSD (dedicated slot)
S88
microSD (dedicated slot)
Phonebook
EF91
Yes, Photo call
S88
Yes, Photo call
Call records
EF91
10 dialed, 10 received, 10 missed calls
S88
10 dialed, 10 received, 10 missed calls
Internal
EF91
32MB
S88
20MB
Single
EF91
3.15 MP, AF
S88
2 MP, AF
Features
EF91
LED flash
S88
LED flash
Video
EF91
Yes
S88
Yes
Single
EF91
VGA videocall camera
S88
-
Video
EF91
S88
-
Other
EF91
-
S88
No
Loudspeaker
EF91
Yes
S88
Yes
Alert types
EF91
Vibration; Downloadable polyphonic, MP3 ringtones
S88
Vibration; Downloadable polyphonic, MP3 ringtones, composer
3.5mm jack
EF91
No
S88
No
Other
EF91
3D sound
S88
3D surrounding sound
WLAN
EF91
No
S88
No
Bluetooth
EF91
1.2, A2DP
S88
Yes
Positioning
EF91
No
S88
No
Radio
EF91
No
S88
No
USB
EF91
Proprietary
S88
Proprietary
Sensors
EF91
S88
Messaging
EF91
SMS, MMS, Email
S88
SMS, MMS
Browser
EF91
WAP 2.0/xHTML
S88
WAP 2.0/xHTML
Games
EF91
Yes + downloadable
S88
Yes + downloadable
Java
EF91
Yes, MIDP 2.0
S88
Yes, MIDP 2.0
Other
EF91
Video telephony MP3/AAC player Predictive text input Voice memo Stopwatch Organizer
S88
MP3/AAC player Predictive text input Voice memo Stopwatch Organizer
Type
EF91
Removable Li-Ion 1000 mAh battery
S88
Removable Li-Ion 920 mAh battery
Stand-by
EF91
-
S88
Up to 110 h
Talk time
EF91
-
S88
Up to 3 h 15 min
Colors
EF91
Arctic Silver
S88
Cosmic Black, Astral White