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Phone	Samsung SGH-X640	Siemens CX75	BlackBerry 7100 / 7105	Samsung SGH-E610	Samsung Sidekick 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Not yet released	Released
Display Size	?	?	?	?	3.5" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	132 x 176 pixels LCD (TFT/TFD)	240 x 260 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	750 mAh	?	?	?
Processor	?	?	?	?	1 GHz Samsung Hummingbird Cortex A8
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	1 megapixel	-	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	-	?	WVGA / 480p
Front Camera	-	-	-	-	Yes
Weight	3 oz (85g)	3.46 oz (98g)	4.3 oz (122g)	2.95 oz (84g)	5.7 oz (162g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm)	4.7" x 2.3" x 0.7" (119 x 58 x 17.8 mm)	3.35" x 1.95" x 0.78" (85 x 50 x 19.8 mm)	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slide
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	GPRS	GPRS	GPRS	HSPA+ 21
Features
GPS / Location	-	-	n/a	-	n/a
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	-	Yes Classic Audio
Infrared (IR)	-	Yes	-	Yes	-
Mobile Hotspot	-	-	n/a	-	n/a
USB	-	Yes	Yes	-	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	-	-	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	-	-	-	Yes
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	Yes	n/a	-	n/a
EMS / Picture Messaging	Yes	Yes	n/a	Yes	n/a
Instant Messaging	-	-	n/a	-	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	-	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	-	Yes	n/a	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	Yes	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	Yes	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	-	n/a	-	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	-	Yes
	Samsung SGH-X640	Siemens CX75	BlackBerry 7100 / 7105	Samsung SGH-E610	Samsung Sidekick 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Siemens CX75	BlackBerry 7100 / 7105	Samsung SGH-E610	Samsung Sidekick 4G