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Phone	Samsung SGH-X640	Nokia 6255i / 6256i	BLU Pure View	Samsung SCH-A990	ZTE Savvy
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5.7" diag. 18 : 9	?	4" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1440 pixels (~282 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	800 mAh	1,070 mAh	3,000 mAh	1,000 mAh	1,650 mAh
Processor	?	?	1.3 GHz MediaTek 6753	?	1 GHz Qualcomm MSM8625
RAM	?	?	3 GB	?	768 MB
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	4 GB
Main Camera	Yes	Yes	13 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	1080p HD	?	WVGA / 480p
Front Camera	-	-	8 megapixel	-	-
Weight	3 oz (85g)	4.23 oz (120g)	6.47 oz (183g)	4.4 oz (125g)	4.43 oz (126g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm)	6" x 2.82" x 0.32" (152 x 72 x 8.1 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm)
Form Factor	Clamshell	Clamshell	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 1, 2, 3, 4, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	GPRS	1xRTT	LTE (Cat 4)	EVDO r0	EVDO rA
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	Yes	Yes
GPS / Location	-	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4 (very compatible)	-	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
USB	-	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	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	-	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
Dual-SIM	-	-	Yes	-	-
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
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	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	Yes	n/a	Yes	n/a
Music
FM Radio	-	Yes	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	Yes *	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	Yes	-
Power
Fast Charging	-	-	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	-	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes *	n/a	Yes	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	Yes *	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Nokia 6255i / 6256i	BLU Pure View	Samsung SCH-A990	ZTE Savvy
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Nokia 6255i / 6256i	BLU Pure View	Samsung SCH-A990	ZTE Savvy