Screen size
equal specsM5502.8"
M600+2.8"
Quick verdict
M550 leads the measured specs 2-1.
Measured wins
M550
2
spec wins
Overall winner
Ties
8
equal specs
M600+
1
spec wins
Screen size
equal specsTechnology
M550
GSM
M600+
GSM
2G bands
M550
GSM 850 / 900 / 1800 / 1900
M600+
GSM 850 / 900 / 1800 / 1900
GPRS
M550
Class 10
M600+
Class 10
EDGE
M550
No
M600+
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
M550
2006, April
M600+
2006, June
Status
M550
Discontinued
M600+
Discontinued
Dimensions
M550
112 x 61 x 22 mm (4.41 x 2.40 x 0.87 in)
M600+
111.7 x 60.7 x 22 mm (4.40 x 2.39 x 0.87 in)
Weight
M550
165 g (5.82 oz)
M600+
174 g (6.14 oz)
SIM
M550
Mini-SIM
M600+
Mini-SIM
Type
M550
TFT resistive touchscreen, 65K colors
M600+
TFT resistive touchscreen, 65K colors
Size
M550
2.8 inches, 42 x 57 mm, 24.3 cm2 (~35.5% screen-to-body ratio)
M600+
2.8 inches, 42 x 57 mm, 24.3 cm2 (~35.8% screen-to-body ratio)
Resolution
M550
240 x 320 pixels, 4:3 ratio (~143 ppi density)
M600+
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Other
M550
Handwriting recognition
M600+
Handwriting recognition
OS
M550
Microsoft Windows Mobile 5.0 PocketPC
M600+
Microsoft Windows Mobile 5.0 PocketPC
CPU
M550
Samsung 2440 400 MHz
M600+
Samsung S3C 2440 400 MHz
Card slot
M550
SD/SDIO
M600+
SD/SDIO
Internal
M550
64MB RAM, 128MB ROM
M600+
64MB RAM, 256MB ROM
Single
M550
1.3 MP
M600+
2 MP
Features
M550
LED flash
M600+
-
Video
M550
Yes
M600+
Yes
Other
M550
No
M600+
No
Loudspeaker
M550
Yes
M600+
Yes
Alert types
M550
Vibration; Downloadable polyphonic, MP3 ringtones
M600+
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
M550
No
M600+
No
WLAN
M550
No
M600+
Wi-Fi 802.11b
Bluetooth
M550
1.2
M600+
2.0
Positioning
M550
No
M600+
No
Radio
M550
No
M600+
No
USB
M550
Proprietary
M600+
Proprietary
Sensors
M550
M600+
Browser
M550
HTML (PocketIE)
M600+
HTML (PocketIE)
Other
M550
Pocket Office eBook reader Windows MPlayer 10 Organizer Voice memo
M600+
Pocket Office eBook Reader MP3/AAC/AAC+/WMA/OGG/AMR player WMV/MP4 player Organizer Voice memo
Type
M550
Removable Li-Ion 1440 mAh battery
M600+
Removable Li-Ion 1440 mAh battery
Stand-by
M550
Up to 200 h
M600+
Up to 200 h
Talk time
M550
Up to 4 h
M600+
Up to 4 h
Colors
M550
White
M600+
Price
M550
About 220 EUR
M600+
About 320 EUR