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Phone	Nokia 6210 Navigator	Samsung SGH-X640	Samsung SGH-X820	ZTE Flash	BLU Pure View
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	?	4.5" diag. 16 : 9	5.7" diag. 18 : 9
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~282 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	950 mAh	800 mAh	650 mAh	1,780 mAh	3,000 mAh
Processor	369 MHz ARM 11	?	?	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	1.3 GHz MediaTek 6753
RAM	?	?	?	1 GB	3 GB
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	32 GB
Main Camera	3 megapixel	Yes	2 megapixel	12 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	-	?	1080p HD	1080p HD
Front Camera	-	-	-	1 megapixel	8 megapixel
Weight	4.13 oz (117g)	3 oz (85g)	2.33 oz (66g)	5.2 oz (147g)	6.47 oz (183g)
Dimensions	4.06" x 1.93" x 0.59" (103 x 49 x 14.9 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	6" x 2.82" x 0.32" (152 x 72 x 8.1 mm)
Form Factor	Slide	Clamshell	Slab	Slab	Slab
Platform / OS	S60 (Symbian)	(proprietary)	(proprietary)	Android	Android
Network Bands	WCDMA: 1, 8 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 25 CDMA: 800, 850, 1900	4G LTE: 1, 2, 3, 4, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	GPRS	EDGE	LTE (Cat 3)	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	-	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	-	-	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	-	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	-	-	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	-	-	n/a	n/a
Dual-SIM	-	-	-	-	Yes
External Antenna Jack	n/a	-	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	Yes	n/a	n/a
Instant Messaging	n/a	-	-	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
FM Radio	Yes	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	n/a	-	-	n/a	n/a
Photo & Video
TV Output	-	-	Yes	-	-
Video Calling	n/a	-	-	n/a	n/a
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	Yes	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	-	n/a	n/a
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia 6210 Navigator	Samsung SGH-X640	Samsung SGH-X820	ZTE Flash	BLU Pure View
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia 6210 Navigator	Samsung SGH-X640	Samsung SGH-X820	ZTE Flash	BLU Pure View