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Phone	Samsung SGH-X640	PCD Chaser	Sanyo SCP-3810 / Mirro	HTC HD7 / HD7S	Samsung Galaxy S6 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.2" diag. 5 : 3	2.4" diag. 4 : 3	4.3" diag. 5 : 3	5.1" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	1,450 mAh	1,000 mAh	1,230 mAh	2,550 mAh
Processor	?	800 MHz Qualcomm MSM7627T	?	1 GHz Qualcomm Snapdragon S1 QSD8250	2.1 GHz Samsung Exynos 7420
RAM	?	512 MB	?	?	3 GB
Storage	? raw hardware	512 MB	? raw hardware	16 GB	32 GB *
Main Camera	Yes	3 megapixel	1 megapixel	5 megapixel	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	-	720p HD	4K UHD
Front Camera	-	-	-	-	5 megapixel
Weight	3 oz (85g)	4.2 oz (119g)	3.97 oz (112g)	5.71 oz (162g)	4.87 oz (138g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.5" x 2.25" x 0.52" (114 x 57 x 13.2 mm)	3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm)	4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm)	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Windows	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 1900	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	EVDO rA	1xRTT	HSPA 7.2	LTE (Cat 6)
Features
Fingerprint Reader	-	-	-	-	Yes
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	Yes	n/a	n/a
VR-ready	-	-	-	-	Yes
Accessibility
Adjustable Text Size	-	n/a	Yes	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
MirrorLink	-	-	-	-	Yes
NFC	-	-	-	-	Yes
USB	-	Yes	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,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	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	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
Touch Screen	-	Yes	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	-
Messaging
Email Client	-	n/a	Yes	n/a	n/a
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	-	n/a	Yes	n/a	n/a
MMS	Yes	n/a	-	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	-	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Power
Fast Charging	-	-	-	-	Yes
Wireless Charging	-	-	-	-	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	Yes
	Samsung SGH-X640	PCD Chaser	Sanyo SCP-3810 / Mirro	HTC HD7 / HD7S	Samsung Galaxy S6 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	PCD Chaser	Sanyo SCP-3810 / Mirro	HTC HD7 / HD7S	Samsung Galaxy S6 (GSM)