Screen size
E712.1"
EF51Winner: 2.2"+4.5%
Quick verdict
E71 leads the measured specs 5-3.
Measured wins
E71
5
spec wins
Overall winner
Ties
4
equal specs
EF51
3
spec wins
Screen size
Technology
E71
GSM
EF51
GSM
2G bands
E71
GSM 900 / 1800 / 1900 , GSM 850 / 1800 / 1900 - US version
EF51
GSM 900 / 1800 / 1900 , GSM 850 / 1800 / 1900 - US version
GPRS
E71
Class 10
EF51
Class 10
EDGE
E71
Class 10
EF51
Resolution
Refresh 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
No
Announced
E71
2006, July
EF51
2006, February
Status
E71
Discontinued
EF51
Discontinued
Dimensions
E71
104 x 46 x 15 mm (4.09 x 1.81 x 0.59 in)
EF51
89 x 49 x 18 mm (3.50 x 1.93 x 0.71 in)
Weight
E71
80 g (2.82 oz)
EF51
95 g (3.35 oz)
SIM
E71
Mini-SIM
EF51
Mini-SIM
Type
E71
TFT, 256K colors
EF51
TFT, 256K colors
Size
E71
2.1 inches, 31 x 42 mm, 13.7 cm2 (~28.5% screen-to-body ratio)
EF51
2.2 inches, 40 x 40 mm, 15.6 cm2 (~35.7% screen-to-body ratio)
Resolution
E71
240 x 320 pixels, 4:3 ratio (~190 ppi density)
EF51
120 x 128 pixels (~80 ppi density)
Card slot
E71
microSD (dedicated slot)
EF51
miniSD
Phonebook
E71
1000 x 20 fields, Photo call
EF51
Yes, Photo call
Call records
E71
100 dialed, 100 received, 100 missed calls
EF51
10 dialed, 10 received, 10 missed calls
Internal
E71
16MB
EF51
20MB
Single
E71
1.3 MP
EF51
1.3 MP
Video
E71
QCIF
EF51
No
Other
E71
No
EF51
No
Loudspeaker
E71
Yes
EF51
No
Alert types
E71
Vibration; Downloadable polyphonic, MP3 ringtones
EF51
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
E71
No
EF51
No
Other
E71
-
EF51
3D surround sound
WLAN
E71
No
EF51
No
Bluetooth
E71
Yes
EF51
1.2, A2DP
Positioning
E71
No
EF51
No
Radio
E71
FM radio
EF51
FM radio
USB
E71
2.0
EF51
Proprietary
Sensors
E71
EF51
Messaging
E71
SMS, MMS, Email
EF51
SMS, MMS
Browser
E71
WAP 2.0/xHTML
EF51
WAP 2.0/xHTML
Games
E71
Yes + downloadable
EF51
Yes + downloadable
Java
E71
Yes, MIDP 2.0
EF51
Yes, MIDP 2.0
Other
E71
MP3/AAC/AAC+ player Predictive text input Organizer Voice memo
EF51
WMA/MP3/AAC/AAC+ player Predictive text input Voice memo Stopwatch Organizer
Type
E71
Removable Li-Ion 730 mAh battery
EF51
Removable Li-Ion 870 mAh battery
Stand-by
E71
Up to 390 h
EF51
Up to 200 h
Talk time
E71
Up to 6 h 20 min
EF51
Up to 4 h
Colors
E71
Dark Silver, Onyx Black
EF51
Flashy White, Black