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Phone	Motorola Krave ZN4	LG Optimus Zone	Coolpad Quattro 4G	Samsung Heat	Samsung SGH-X640
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.8" diag. 5 : 3	3.2" diag. 4 : 3	4" diag. 5 : 3	?	?
Display Resolution & Type	240 x 400 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels (~125 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	950 mAh	1,540 mAh	1,600 mAh	800 mAh	800 mAh
Processor	?	800 MHz Qualcomm Snapdragon S1 MSM7625A	?	?	?
RAM	?	512 MB	?	?	?
Storage	? raw hardware	4 GB	512 MB	? raw hardware	? raw hardware
Main Camera	2 megapixel	3 megapixel	3 megapixel	1 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	VGA (640 x 480)	VGA (640 x 480)	?	-
Front Camera	-	-	Yes	-	-
Weight	4.52 oz (128g)	3.88 oz (110g)	3.31 oz (94g)	3.17 oz (90g)	3 oz (85g)
Dimensions	4.12" x 2.01" x 0.74" (105 x 51 x 18.8 mm)	4.04" x 2.42" x 0.47" (103 x 61 x 11.9 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.6" x 1.8" x 0.6" (91 x 46 x 15.2 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)
Form Factor	Flip	Slab	Slab	Slide	Clamshell
Platform / OS	(proprietary)	Android	Android	(proprietary)	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900
Data Technology	EVDO r0	EVDO rA	LTE (Cat 3)	EVDO r0	GPRS
Features
GPS / Location	Yes	n/a	n/a	Yes	-
Accessibility
Adjustable Text Size	-	n/a	n/a	Yes	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	-
Multiple Languages	Yes	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	-	n/a	n/a	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes	-
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes	-	-
Contacts
Picture ID	Yes	n/a	n/a	Yes	Yes
Ringer ID	Yes	n/a	n/a	Yes	Yes
Voice Dialing	Yes	n/a	n/a	-	-
Customization
Custom Graphics	Yes	n/a	n/a	Yes	Yes
Custom Ringtones	Yes	n/a	n/a	Yes	Yes
Real-Music Ringers	Yes	n/a	n/a	Yes	-
Data & Network
Data Tethering	Yes	n/a	n/a	-	-
WAP / Web Browser	Yes	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	Yes	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	Yes	n/a	n/a	-	-
EMS / Picture Messaging	Yes	n/a	n/a	-	Yes
Instant Messaging	Yes	n/a	n/a	-	-
MMS	Yes	n/a	n/a	Yes	Yes
Text Messaging Templates	Yes	n/a	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	Yes	n/a	n/a	Yes	-
Productivity
Alarm	Yes	n/a	n/a	Yes	Yes
Calculator	Yes	n/a	n/a	Yes	Yes
Calendar	Yes	n/a	n/a	Yes	Yes
To-Do List	-	n/a	n/a	Yes	Yes
Voice Memo	Yes	n/a	n/a	Yes	Yes
Software
BREW	Yes	n/a	n/a	-	-
Games	Yes	n/a	n/a	Yes	Yes
Java (J2ME)	-	n/a	n/a	-	Yes
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Motorola Krave ZN4	LG Optimus Zone	Coolpad Quattro 4G	Samsung Heat	Samsung SGH-X640
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Krave ZN4	LG Optimus Zone	Coolpad Quattro 4G	Samsung Heat	Samsung SGH-X640