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Specifications
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Phone	Samsung SGH-X640	BlackBerry 7230 / 7210	Huawei Ascend II	ZTE Render	Huawei M750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.5" diag. 5 : 3	4" diag. 5 : 3	2.8" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	240 x 160 pixels LCD (Color)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	800 mAh	?	1,400 mAh	1,600 mAh	1,150 mAh
Processor	?	?	600 MHz Qualcomm S1 MSM7627	1 GHz Qualcomm MSM7627A	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	Yes	-	5 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	VGA (640 x 480)	VGA (640 x 480)	-
Front Camera	-	-	-	-	-
Weight	3 oz (85g)	4.9 oz (139g)	4.1 oz (116g)	4.8 oz (136g)	3.92 oz (111g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.4" x 2.9" x 0.94" (112 x 74 x 23.9 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	4.8" x 2.52" x 0.48" (122 x 64 x 12.2 mm)	4.21" x 2.25" x 0.59" (107 x 57 x 14.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	BlackBerry OS	Android	Windows	(proprietary)
Network Bands	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900 *	CDMA: 850, 1700, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900
Data Technology	GPRS	GPRS	EVDO rA	EVDO rA	1xRTT
Features
GPS / Location	-	n/a	n/a	n/a	Yes
Accessibility
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	n/a	-
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	-	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	-
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	-	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	-
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	Yes	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	Yes
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a	Yes
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	-	n/a	n/a	n/a	Yes
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung SGH-X640	BlackBerry 7230 / 7210	Huawei Ascend II	ZTE Render	Huawei M750
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	BlackBerry 7230 / 7210	Huawei Ascend II	ZTE Render	Huawei M750