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Phone | Samsung SGH-X640 | T-Mobile REVVL V | Motorola T720 / T721 (GSM) |
Current U.S. Carriers | (none) | (none) | (none) |
Global Availability | Released | Released | Released |
Specifications | |||
---|---|---|---|
Display Size | ? |
6.5" diag. 20 : 9 |
? |
Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
Display Refresh | ? | 60 Hz | ? |
Battery | 800 mAh | 4,000 mAh | ? |
Processor | ? | 2 GHz MediaTek Helio G25 (MT6762V) | ? |
RAM | ? | 3 GB | ? |
Storage | ? raw hardware | 32 GB | ? raw hardware |
Main Camera | Yes | 13 megapixel | - |
Wide Camera | - | - | - |
Tele Camera | - | - | - |
Video Capture | - | 1080p HD | - |
Front Camera | - | 5 megapixel | - |
Weight |
3 oz (85g) |
6.45 oz (183g) |
3.56 oz (101g) |
Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
Form Factor | Clamshell | Slab | Clamshell |
Platform / OS | (proprietary) | Android | (proprietary) |
Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
Data Technology | GPRS | LTE (Cat 6) | GPRS |
Features | |||
Fingerprint Reader | - |
Yes stand-alone |
- |
Flashlight | - | Yes | - |
Accessibility | |||
Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Multiple Languages | Yes | n/a | Yes |
TTY/TDD (Digital) | - | Yes | - |
Alerts | |||
Extra Display | - | - | Yes |
Connectivity | |||
Bluetooth | - | Yes | - |
USB | - |
Yes USB Type C |
- |
Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Contacts | |||
Picture ID | Yes | n/a | - |
Ringer ID | Yes | n/a | Yes |
Voice Dialing | - | n/a | Yes |
Customization | |||
Changeable Body Plates | - | - | Yes |
Custom Graphics | Yes | n/a | Yes |
Custom Ringtones | Yes | n/a | Yes |
Data & Network | |||
Data Tethering | - | n/a | Yes |
WAP / Web Browser | Yes | n/a | Yes |
Input | |||
Predictive Text Entry | Yes | n/a | Yes |
Side Keys | Yes | Yes | Yes |
Touch Screen | - |
Yes Capacitive |
- |
Memory | |||
Memory Card Slot | - | Yes | - |
Messaging | |||
Email Client | - | n/a | Yes |
EMS / Picture Messaging | Yes | n/a | Yes |
MMS | Yes | n/a | - |
Text Messaging Templates | Yes | n/a | Yes |
Music | |||
FM Radio | - | Yes | - |
Headphone Jack (3.5mm) | - | Yes | - |
Power | |||
Fast Charging | - | Yes | - |
Productivity | |||
Alarm | Yes | n/a | Yes |
Calculator | Yes | n/a | Yes |
Calendar | Yes | n/a | Yes |
To-Do List | Yes | n/a | - |
Voice Memo | Yes | n/a | Yes |
Software | |||
Games | Yes | n/a | Yes |
Java (J2ME) | Yes | n/a | Yes |
Voice | |||
HD Voice | - | Yes | - |
Headset Jack (2.5 mm) | Yes | n/a | Yes |
Speaker Phone | Yes | Yes | - |
Samsung SGH-X640 | T-Mobile REVVL V | Motorola T720 / T721 (GSM) |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Samsung SGH-X640 | T-Mobile REVVL V | Motorola T720 / T721 (GSM) |