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| Phone | ZTE Z331 | Sony Xperia Pro | Sanyo MM-7400 | LG VX-8550 Chocolate | Pantech Reveal C790 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 
			2.4" diag. 4 : 3  | 
		
		
			6.5" diag. 21 : 9  | 
		
		? | ? | 
			2.2" diag. 4 : 3  | 
	
| Display Resolution & Type | 
			176 x 220 pixels (~117 ppi) LCD (TFT/TFD)  | 
		
		
			1644 x 3840 pixels (~643 ppi) AMOLED  | 
		
		
			176 x 220 pixels LCD (TFT/TFD)  | 
		
		
			240 x 320 pixels LCD (TFT/TFD)  | 
		
		
			320 x 240 pixels (~182 ppi) LCD (TFT/TFD)  | 
	
| Display Refresh | ? | 60 Hz | ? | ? | ? | 
| Battery | 950 mAh | 4,000 mAh | 1,000 mAh | 800 mAh | 930 mAh | 
| Processor | ? | Qualcomm Snapdragon 865 | ? | ? | ? | 
| RAM | ? | 12 GB | ? | ? | ? | 
| Storage | ? raw hardware | 512 GB | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | 3 megapixel | 12 megapixel | Yes | 1 megapixel | 1 megapixel | 
| Wide Camera | - | 12 megapixel | - | - | - | 
| Tele Camera | - | 12 megapixel | - | - | - | 
| Video Capture | QCIF (176 x 144) | 4K UHD | QCIF (176 x 144) | QCIF (176 x 144) | QVGA (320 x 240) | 
| Front Camera | - | 8 megapixel | - | - | - | 
| Weight | 
			4 oz (113g)  | 
		
		
			7.94 oz (225g)  | 
		
		
			4.06 oz (115g)  | 
		
		
			3.24 oz (92g)  | 
		
		
			4.2 oz (119g)  | 
	
| Dimensions | 
			3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm)  | 
		
		
			6.7" x 3" x 0.4" (170 x 76 x 10.2 mm)  | 
		
		
			3.64" x 1.97" x 1.13" (92 x 50 x 28.7 mm)  | 
		
		
			3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)  | 
		
		
			3.91" x 2.36" x 0.58" (99 x 60 x 14.8 mm)  | 
	
| Form Factor | Clamshell | Slab | Clamshell | Slide | Slab | 
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | 
			 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 CDMA: 850, 1900 AMPS: 850  | 
		
		
			 CDMA: 850, 1900  | 
		
		
			 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900  | 
	
| Data Technology | HSDPA 3.6 | NR (5G) | 1xRTT | EVDO r0 | HSDPA 3.6 | 
| Features | |||||
| Fingerprint Reader | - | 
			Yes stand-alone  | 
		
		- | - | - | 
| Flashlight | - | Yes | Yes | - | - | 
| GPS / Location | Yes | n/a | Yes | Yes | Yes | 
| Water-Resistant | - | 
			Yes IPX8 (SCUBA)  | 
		
		- | - | - | 
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | - | Yes | 
| Hearing Aid Compatible | Yes | Yes | - | Yes | Yes | 
| Multiple Languages | Yes | n/a | Yes | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes | 
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - | 
| Ringer Profiles | Yes | - | - | - | Yes | 
| Connectivity | |||||
| Bluetooth | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		- | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| NFC | - | Yes | - | - | - | 
| USB | 
			Yes Micro-USB  | 
		
		
			Yes USB Type C  | 
		
		Yes | Yes | Yes | 
| Wi-Fi | - | 
			Yes 6 (802.11 a,ac,ax,b,g,n)  | 
		
		- | - | - | 
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | Yes | Yes | 
| Ringer ID | Yes | n/a | Yes | Yes | Yes | 
| Voice Dialing | - | n/a | Yes | Yes | - | 
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | - | 
| Custom Graphics | Yes | n/a | Yes | Yes | Yes | 
| Custom Ringtones | Yes | n/a | Yes | Yes | Yes | 
| Real-Music Ringers | Yes | n/a | Yes | Yes | Yes | 
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | Yes | Yes | 
| Dual-SIM | - | Yes | - | - | - | 
| WAP / Web Browser | Yes | n/a | Yes | Yes | Yes | 
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | - | - | - | Yes | 
| Touch Screen | - | Yes | - | - | - | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes | 
| Messaging | |||||
| Email Client | Yes | n/a | - | - | Yes | 
| Instant Messaging | Yes | n/a | - | - | Yes | 
| MMS | Yes | n/a | - | Yes | Yes | 
| Text Messaging Templates | Yes | n/a | Yes | Yes | Yes | 
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - | 
| Music Player | Yes | n/a | - | Yes | Yes | 
| Stereo Speakers | - | Yes | - | - | - | 
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - | 
| Power | |||||
| Fast Charging | - | Yes | - | - | - | 
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | Yes | 
| Calculator | Yes | n/a | Yes | Yes | Yes | 
| Calendar | Yes | n/a | Yes | Yes | Yes | 
| To-Do List | - | n/a | Yes | - | - | 
| Voice Memo | Yes | n/a | Yes | Yes | Yes | 
| Software | |||||
| BREW | - | n/a | - | Yes | - | 
| Games | Yes | n/a | Yes | Yes | Yes | 
| Java (J2ME) | Yes | n/a | Yes | - | Yes | 
| Voice | |||||
| Call Screening | - | - | Yes | - | - | 
| HD Voice | - | Yes | - | - | - | 
| Headset Jack (2.5 mm) | - | n/a | Yes | Yes | - | 
| Push-To-Talk | - | - | Yes | - | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| ZTE Z331 | Sony Xperia Pro | Sanyo MM-7400 | LG VX-8550 Chocolate | Pantech Reveal C790 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Sony Xperia Pro | Sanyo MM-7400 | LG VX-8550 Chocolate | Pantech Reveal C790 | 











