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Specifications
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Phone	Samsung SGH-X640	Motorola Devour	Samsung SPH-A800 / MM-A800	ZTE Speed	ZTE Savvy
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.1" diag. 5 : 3	?	4.5" diag. 16 : 9	4" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	60 Hz
Battery	800 mAh	1,400 mAh	?	2,000 mAh	1,650 mAh
Processor	?	600 MHz Qualcomm S1 MSM7627	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	1 GHz Qualcomm MSM8625
RAM	?	?	?	1 GB	768 MB
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	4 GB
Main Camera	Yes	3 megapixel	2 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	QCIF (176 x 144)	720p HD	WVGA / 480p
Front Camera	-	-	-	2 megapixel	-
Weight	3 oz (85g)	6.35 oz (180g)	5.08 oz (144g)	4.8 oz (136g)	4.43 oz (126g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.55" x 2.4" x 0.61" (116 x 61 x 15.4 mm)	3.94" x 1.93" x 1.02" (100 x 49 x 25.9 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm)
Form Factor	Clamshell	Slide	Slide	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 850, 1900
Data Technology	GPRS	EVDO rA	1xRTT	LTE (Cat 3)	EVDO rA
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes	-	Yes	Yes
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	-	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
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	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	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	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	Samsung SGH-X640	Motorola Devour	Samsung SPH-A800 / MM-A800	ZTE Speed	ZTE Savvy
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Motorola Devour	Samsung SPH-A800 / MM-A800	ZTE Speed	ZTE Savvy