Screen size
equal specse6362.2"
N8402.2"
Quick verdict
e636 and N840 are close on the measured specs.
Measured wins
e636
2
spec wins
Ties
7
equal specs
N840
2
spec wins
Screen size
equal specsTechnology
e636
GSM / UMTS
N840
GSM
2G bands
e636
GSM 900 / 1800 / 1900
N840
GSM 850 / 900 / 1800 / 1900
3G bands
e636
UMTS 2100
N840
-
Speed
e636
Yes, 384 kbps
N840
Resolution
Refresh 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
-
GPRS
e636
-
N840
Class 10
EDGE
e636
-
N840
No
Announced
e636
2006, February
N840
2004, Q4
Status
e636
Discontinued
N840
Discontinued
Dimensions
e636
102 x 48 x 13.9 mm, 65 cc (4.02 x 1.89 x 0.55 in)
N840
100 x 48 x 25 mm (3.94 x 1.89 x 0.98 in)
Weight
e636
110 g (3.88 oz)
N840
118 g (4.16 oz)
SIM
e636
Mini-SIM
N840
Mini-SIM
Type
e636
TFT, 256K colors
N840
TFT, 256K colors
Size
e636
2.2 inches, 33 x 45 mm, 15.0 cm2 (~30.6% screen-to-body ratio)
N840
2.2 inches, 33 x 45 mm, 15.0 cm2 (~31.2% screen-to-body ratio)
Resolution
e636
240 x 320 pixels, 4:3 ratio (~182 ppi density)
N840
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Other
e636
Second external mono OLED display
N840
Second external STN, 65K colors display (120 x 30 pixels) Downloadable pictures
Card slot
e636
miniSD
N840
miniSD, 128 MB included
Phonebook
e636
500 entries
N840
Yes, Photo call
Call records
e636
20 dialed, 20 received, 20 missed calls
N840
20 dialed, 20 received, 20 missed calls
Internal
e636
32MB
N840
32MB
Single
e636
2 MP
N840
2 MP
Video
e636
Yes
N840
Yes
Features
e636
-
N840
LED flash
Other
e636
CIF videocall camera
N840
No
Loudspeaker
e636
No
N840
No
Alert types
e636
Vibration; Downloadable polyphonic ringtones
N840
Vibration; Downloadable polyphonic ringtones
3.5mm jack
e636
No
N840
No
WLAN
e636
No
N840
No
Bluetooth
e636
Yes
N840
1.2
Positioning
e636
No
N840
No
Radio
e636
No
N840
No
USB
e636
Proprietary
N840
Proprietary
Infrared port
e636
-
N840
Yes
Sensors
e636
N840
Messaging
e636
SMS, EMS, MMS, Email
N840
SMS, MMS, Email
Browser
e636
WAP 2.0/xHTML
N840
WAP 2.0/xHTML
Games
e636
Yes + downloadable
N840
Yes
Java
e636
Yes, MIDP 2.0
N840
Yes, MIDP 2.0
Other
e636
MP3/AAC/MP4 player Predictive text input Organizer Voice memo SyncML
N840
MP3 player Predictive text input Organizer Voice memo
Type
e636
Removable Li-Ion 900 mAh battery
N840
Removable Li-Ion 1100 mAh battery
Stand-by
e636
Up to 270 h
N840
Up to 100 h
Talk time
e636
Up to 4 h
N840
Up to 2 h 40 min
Colors
e636
Black
N840
Silver