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| Phone | Coolpad Legacy S / Legacy SR | T-Mobile REVVL V | UTStarcom Slice PCS-1400 | Samsung SGH-X640 | ZTE Blade Z Max | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 
			5.5" diag. 18 : 9  | 
		
		
			6.5" diag. 20 : 9  | 
		
		? | ? | 
			6" diag. 16 : 9  | 
	
| Display Resolution & Type | 
			720 x 1440 pixels (~295 ppi) LCD (TFT/TFD)  | 
		
		
			720 x 1600 pixels (~269 ppi) LCD (TFT/TFD)  | 
		
		
			128 x 128 pixels LCD (STN)  | 
		
		
			128 x 160 pixels LCD (TFT/TFD)  | 
		
		
			1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)  | 
	
| Display Refresh | 60 Hz | 60 Hz | ? | ? | 60 Hz | 
| Battery | 2,450 mAh | 4,000 mAh | 900 mAh | 800 mAh | 4,080 mAh | 
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | 2 GHz MediaTek Helio G25 (MT6762V) | ? | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 
| RAM | 2 GB | 3 GB | ? | ? | 2 GB | 
| Storage | 16 GB | 32 GB | ? raw hardware | ? raw hardware | 32 GB | 
| Main Camera | 8 megapixel | 13 megapixel | - | Yes | 16 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | 1080p HD | 1080p HD | - | - | 1080p HD | 
| Front Camera | 5 megapixel | 5 megapixel | - | - | 8 megapixel | 
| Weight | 
			5.6 oz (159g)  | 
		
		
			6.45 oz (183g)  | 
		
		
			2.3 oz (65g)  | 
		
		
			3 oz (85g)  | 
		
		
			6.58 oz (186g)  | 
	
| Dimensions | 
			6" x 2.8" x 0.37" (152 x 71 x 9.4 mm)  | 
		
		
			6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm)  | 
		
		
			4.3" x 1.8" x 0.4" (109 x 46 x 10.2 mm)  | 
		
		
			3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)  | 
		
		
			6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)  | 
	
| Form Factor | Slab | Slab | Slab | Clamshell | Slab | 
| Platform / OS | Android | Android | (proprietary) | (proprietary) | Android | 
| Network Bands | 
			 4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900  | 
		
		
			 4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 CDMA: 1900  | 
		
		
			 GSM: 900, 1800, 1900  | 
		
		
			 4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900  | 
	
| Data Technology | LTE (Cat 4) | LTE (Cat 6) | 1xRTT | GPRS | LTE (Cat 6) | 
| Features | |||||
| Fingerprint Reader | - | 
			Yes stand-alone  | 
		
		- | - | 
			Yes stand-alone  | 
	
| Flashlight | Yes | Yes | - | - | Yes | 
| GPS / Location | n/a | n/a | Yes | - | n/a | 
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | - | - | Yes | 
| Multiple Languages | n/a | n/a | - | Yes | n/a | 
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes | 
| Connectivity | |||||
| Bluetooth | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		- | - | 
			Yes Classic Audio  | 
	
| USB | 
			Yes USB Type C  | 
		
		
			Yes USB Type C  | 
		
		- | - | 
			Yes USB Type C  | 
	
| Wi-Fi | 
			Yes 4 (802.11 b,g,n)  | 
		
		
			Yes 5 (802.11 a,ac,b,g,n)  | 
		
		- | - | 
			Yes 4 (802.11 b,g,n)  | 
	
| Contacts | |||||
| Picture ID | n/a | n/a | - | Yes | n/a | 
| Ringer ID | n/a | n/a | Yes | Yes | n/a | 
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | Yes | n/a | 
| Custom Ringtones | n/a | n/a | Yes | Yes | n/a | 
| Data & Network | |||||
| External Antenna Jack | n/a | n/a | Yes | - | n/a | 
| WAP / Web Browser | n/a | n/a | Yes | Yes | n/a | 
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | Yes | n/a | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Touch Screen | Yes | Yes | - | - | Yes | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | - | Yes | 
| Messaging | |||||
| EMS / Picture Messaging | n/a | n/a | - | Yes | n/a | 
| MMS | n/a | n/a | - | Yes | n/a | 
| Text Messaging Templates | n/a | n/a | Yes | Yes | n/a | 
| Music | |||||
| FM Radio | Yes | Yes | - | - | Yes | 
| Headphone Jack (3.5mm) | Yes | Yes | - | - | Yes | 
| Power | |||||
| Fast Charging | - | Yes | - | - | Yes | 
| Productivity | |||||
| Alarm | n/a | n/a | Yes | Yes | n/a | 
| Calculator | n/a | n/a | Yes | Yes | n/a | 
| Calendar | n/a | n/a | Yes | Yes | n/a | 
| To-Do List | n/a | n/a | - | Yes | n/a | 
| Voice Memo | n/a | n/a | - | Yes | n/a | 
| Software | |||||
| Games | n/a | n/a | Yes | Yes | n/a | 
| Java (J2ME) | n/a | n/a | Yes | Yes | n/a | 
| Voice | |||||
| HD Voice | - | Yes | - | - | Yes | 
| Headset Jack (2.5 mm) | n/a | n/a | Yes | Yes | n/a | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| Coolpad Legacy S / Legacy SR | T-Mobile REVVL V | UTStarcom Slice PCS-1400 | Samsung SGH-X640 | ZTE Blade Z Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Coolpad Legacy S / Legacy SR | T-Mobile REVVL V | UTStarcom Slice PCS-1400 | Samsung SGH-X640 | ZTE Blade Z Max | 











