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Phone Sony Ericsson K850 Sony Ericsson Z550a Nokia 6290 Motorola EM330 / EM28 Samsung SGH-A127
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
1.9" diag.
4 : 3
2.2" diag.
4 : 3
1.8" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ? ?
Battery ? ? 950 mAh 940 mAh 800 mAh
Processor ? ? 369 MHz ARM 11 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 1 megapixel 2 megapixel 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? ? QCIF (176 x 144) ? -
Front Camera - - - - -
Weight 4.2 oz
(119g)
3.26 oz
(92g)
4.06 oz
(115g)
3.17 oz
(90g)
2.86 oz
(81g)
Dimensions 4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
3.7" x 1.97" x 0.82"
(94 x 50 x 20.8 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
3.39" x 1.67" x 0.76"
(86 x 42 x 19.3 mm)
Form Factor Slab Clamshell Clamshell Clamshell Clamshell
Platform / OS (proprietary) (proprietary) S60 (Symbian) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1

GSM: 850, 900, 1800, 1900

GSM: 850, 1800, 1900

*

GSM: 850, 1900

Data Technology HSDPA 3.6 GPRS EDGE EDGE GPRS
Features 
Accessibility
Adjustable Text Size - - n/a - -
Hearing Aid Compatible - - - Yes -
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - Yes Yes Yes Yes
Ringer Profiles Yes Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - Yes - -
USB Yes Yes Yes
Mini-USB
Yes
Mini-USB
-
Contacts
Picture ID Yes Yes n/a - -
Ringer ID Yes Yes n/a - Yes
Voice Dialing Yes Yes n/a - -
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes Yes n/a Yes -
Data & Network
Data Tethering Yes Yes n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client Yes Yes n/a - -
EMS / Picture Messaging - - n/a Yes -
MMS Yes Yes n/a Yes Yes
Text Messaging Templates Yes Yes n/a Yes Yes
Music
FM Radio Yes Yes Yes Yes -
Headphone Jack (3.5mm) - - - Yes -
Music Player Yes Yes n/a Yes -
Stereo Speakers - - Yes - -
Photo & Video
Video Calling Yes * - n/a - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes Yes n/a - Yes
Voice Memo Yes Yes n/a - Yes
Software
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes Yes n/a Yes Yes
Voice
Headset Jack (2.5 mm) - - n/a - -
Push-To-Talk - Yes * Yes * - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Sony Ericsson K850 Sony Ericsson Z550a Nokia 6290 Motorola EM330 / EM28 Samsung SGH-A127
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson K850 Sony Ericsson Z550a Nokia 6290 Motorola EM330 / EM28 Samsung SGH-A127

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