Screen size
equal specsEF912.0"
SL912.0"
Quick verdict
EF91 leads the measured specs 3-2.
Measured wins
EF91
3
spec wins
Overall winner
Ties
7
equal specs
SL91
2
spec wins
Screen size
equal specsTechnology
EF91
GSM / HSPA
SL91
GSM / UMTS
2G bands
EF91
GSM 900 / 1800 / 1900
SL91
GSM 900 / 1800 / 1900
3G bands
EF91
HSDPA 2100
SL91
UMTS 2100
Speed
EF91
HSPA
SL91
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU 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
EF91
2006, February
SL91
2006, July
Status
EF91
Discontinued
SL91
Discontinued
Dimensions
EF91
92 x 46.5 x 23.5 mm, 86 cc (3.62 x 1.83 x 0.93 in)
SL91
89 x 47 x 23 mm (3.50 x 1.85 x 0.91 in)
Weight
EF91
100 g (3.53 oz)
SL91
109 g (3.84 oz)
SIM
EF91
Mini-SIM
SL91
Mini-SIM
Type
EF91
TFT, 256K colors
SL91
TFT, 16M colors
Size
EF91
2.0 inches, 30 x 40 mm, 12.4 cm2 (~29.0% screen-to-body ratio)
SL91
2.0 inches, 12.4 cm2 (~29.6% screen-to-body ratio)
Resolution
EF91
240 x 320 pixels, 4:3 ratio (~200 ppi density)
SL91
240 x 320 pixels, 4:3 ratio (~200 ppi density)
Other
EF91
Second external 65K colors display, OLED(96 x 64 pixels)
SL91
Touch-sensitive navigation keys
Card slot
EF91
microSD (dedicated slot)
SL91
microSD (dedicated slot)
Phonebook
EF91
Yes, Photo call
SL91
Yes, Photo call
Call records
EF91
10 dialed, 10 received, 10 missed calls
SL91
10 dialed, 10 received, 10 missed calls
Internal
EF91
32MB
SL91
64MB
Single
EF91
3.15 MP, AF
SL91
3.15 MP, AF
Features
EF91
LED flash
SL91
-
Video
EF91
Yes
SL91
Yes
Single
EF91
VGA videocall camera
SL91
VGA videocall camera
Video
EF91
SL91
Loudspeaker
EF91
Yes
SL91
No
Alert types
EF91
Vibration; Downloadable polyphonic, MP3 ringtones
SL91
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
EF91
No
SL91
No
Other
EF91
3D sound
SL91
-
WLAN
EF91
No
SL91
No
Bluetooth
EF91
1.2, A2DP
SL91
Yes
Positioning
EF91
No
SL91
No
Radio
EF91
No
SL91
Stereo FM radio, RDS
USB
EF91
Proprietary
SL91
2.0
Sensors
EF91
SL91
Messaging
EF91
SMS, MMS, Email
SL91
SMS, MMS, Email
Browser
EF91
WAP 2.0/xHTML
SL91
WAP 2.0/xHTML
Games
EF91
Yes + downloadable
SL91
Yes + downloadable
Java
EF91
Yes, MIDP 2.0
SL91
Yes, MIDP 2.0
Other
EF91
Video telephony MP3/AAC player Predictive text input Voice memo Stopwatch Organizer
SL91
MP3/AAC/eAAC+/XMF player Predictive text input Reminder Organizer
Type
EF91
Removable Li-Ion 1000 mAh battery
SL91
Removable Li-Ion 950 mAh battery
Stand-by
EF91
-
SL91
Up to 310 h
Talk time
EF91
-
SL91
Up to 3 h 15 min
Colors
EF91
Arctic Silver
SL91
Magic Black