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Phone	Samsung SGH-X640	Samsung Galaxy Note II (Verizon)	Samsung Galaxy Reverb	Samsung Glyde U940	ZTE Groove
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.5" diag. 16 : 9	4" diag. 5 : 3	2.8" diag. 16.5 : 9	3.2" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) AMOLED	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	60 Hz
Battery	800 mAh	3,100 mAh	1,700 mAh	1,000 mAh	1,500 mAh
Processor	?	1.6 GHz Samsung Exynos	1.4 GHz Qualcomm S2 MSM8655	?	800 MHz Qualcomm MSM7627A
RAM	?	2 GB	768 MB	?	512 MB
Storage	? raw hardware	16 GB	4 GB	? raw hardware	1 GB
Main Camera	Yes	8 megapixel	5 megapixel	2 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	WVGA / 480p	QVGA (320 x 240)	720p HD
Front Camera	-	2 megapixel	1 megapixel	-	Yes
Weight	3 oz (85g)	6.35 oz (180g)	4.54 oz (129g)	4.2 oz (119g)	4.5 oz (128g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.94" x 3.16" x 0.38" (151 x 80 x 9.7 mm)	4.82" x 2.53" x 0.44" (122 x 64 x 11.3 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	4.67" x 2.46" x 0.55" (119 x 62 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	Android	Android	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900
Data Technology	GPRS	LTE (Cat 3)	EVDO rA	EVDO r0	EVDO rA
Features
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes	Yes	Yes	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	Yes
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes	Yes	Yes	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	-	n/a
EMS / Picture Messaging	Yes	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	-	n/a
Software
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Samsung Galaxy Note II (Verizon)	Samsung Galaxy Reverb	Samsung Glyde U940	ZTE Groove
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung Galaxy Note II (Verizon)	Samsung Galaxy Reverb	Samsung Glyde U940	ZTE Groove