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Phone	BlackBerry Curve 3G 9330	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	ZTE Blade Z Max
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	2.5" diag. 4 : 3	?	6.8" diag. 20 : 9	6" diag. 16 : 9
Display Resolution & Type	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1600 pixels (~260 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)
Display Refresh	?	?	90 Hz	60 Hz
Battery	1,150 mAh	800 mAh	5,000 mAh	4,080 mAh
Processor	?	?	2.3 GHz MediaTek Helio G37	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM	?	?	4 GB	2 GB
Storage	? raw hardware	? raw hardware	128 GB	32 GB
Main Camera	2 megapixel	Yes	50 megapixel	16 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	?	-	1080p HD	1080p HD
Front Camera	-	-	8 megapixel	8 megapixel
Weight	3.7 oz (105g)	3 oz (85g)	6.88 oz (195g)	6.58 oz (186g)
Dimensions	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)
Form Factor	Slab	Clamshell	Slab	Slab
Platform / OS	BlackBerry OS	(proprietary)	Android	Android
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	GPRS	LTE (Cat 6)	LTE (Cat 6)
Features
Barometer	-	-	Yes	-
Fingerprint Reader	-	-	Yes	Yes stand-alone
Flashlight	-	-	Yes	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)	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes
USB	Yes Micro-USB	-	Yes USB Type C	Yes USB Type C
Wi-Fi	Yes 802.11 b,g	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a
Custom Ringtones	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	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-
Touch Screen	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a
EMS / Picture Messaging	n/a	Yes	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a
MMS	n/a	Yes	n/a	n/a
Text Messaging Templates	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	-
Power
Fast Charging	-	-	Yes	Yes
Productivity
Alarm	n/a	Yes	n/a	n/a
Calculator	n/a	Yes	n/a	n/a
Calendar	n/a	Yes	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	Yes	Yes
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes
	BlackBerry Curve 3G 9330	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	ZTE Blade Z Max
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	BlackBerry Curve 3G 9330	Samsung SGH-X640	TCL 40 XL / Jitterbug Smart 4	ZTE Blade Z Max