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Phone | Samsung SGH-X640 | ZTE Blade Vantage | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Wafer R510 |
Current U.S. Carriers | (none) | (none) | (none) | (none) |
Global Availability | Released | Released | Released | Released |
Specifications | ||||
---|---|---|---|---|
Display Size | ? |
5" diag. 16 : 9 |
? |
1.9" diag. 4 : 3 |
Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
Display Refresh | ? | 60 Hz | ? | ? |
Battery | 800 mAh | 2,500 mAh | 820 mAh | 800 mAh |
Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | ? |
RAM | ? | 2 GB | ? | ? |
Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
Main Camera | Yes | 8 megapixel | Yes | 1 megapixel |
Wide Camera | - | - | - | - |
Tele Camera | - | - | - | - |
Video Capture | - | 720p HD | ? | ? |
Front Camera | - | 2 megapixel | - | - |
Weight |
3 oz (85g) |
5.29 oz (150g) |
4.23 oz (120g) |
2.47 oz (70g) |
Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
Form Factor | Clamshell | Slab | Clamshell | Slab |
Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 13 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
Data Technology | GPRS | LTE (Cat 4) | EDGE | EVDO r0 |
Features | ||||
Flashlight | - | Yes | - | - |
GPS / Location | - | n/a | - | Yes |
Accessibility | ||||
Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Multiple Languages | Yes | n/a | Yes | Yes |
TTY/TDD (Digital) | - | Yes | Yes | Yes |
Alerts | ||||
Extra Display | - | - | Yes | - |
Ringer Profiles | - | - | Yes | - |
Connectivity | ||||
Bluetooth | - | Yes | Yes | Yes |
USB | - |
Yes Micro-USB |
Yes | - |
Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
Contacts | ||||
Picture ID | Yes | n/a | Yes | Yes |
Ringer ID | Yes | n/a | Yes | - |
Voice Dialing | - | n/a | Yes | Yes |
Customization | ||||
Custom Graphics | Yes | n/a | Yes | Yes |
Custom Ringtones | Yes | n/a | Yes | Yes |
Real-Music Ringers | - | n/a | Yes | - |
Data & Network | ||||
Data Tethering | - | n/a | Yes | - |
WAP / Web Browser | Yes | n/a | Yes | Yes |
Input | ||||
Predictive Text Entry | Yes | n/a | Yes | Yes |
Side Keys | Yes | Yes | Yes | Yes |
Touch Screen | - |
Yes Capacitive |
- | - |
Memory | ||||
Memory Card Slot | - | Yes | - | Yes |
Messaging | ||||
Email Client | - | n/a | Yes | - |
EMS / Picture Messaging | Yes | n/a | Yes | - |
Instant Messaging | - | n/a | Yes | - |
MMS | Yes | n/a | Yes | Yes |
Text Messaging Templates | Yes | n/a | Yes | - |
Music | ||||
Headphone Jack (3.5mm) | - | Yes | - | - |
Music Player | - | n/a | - | Yes |
Stereo Speakers | - | - | - | Yes |
Productivity | ||||
Alarm | Yes | n/a | Yes | Yes |
Calculator | Yes | n/a | Yes | Yes |
Calendar | Yes | n/a | Yes | Yes |
To-Do List | Yes | n/a | - | - |
Voice Memo | Yes | n/a | Yes | Yes |
Software | ||||
BREW | - | n/a | - | Yes |
Games | Yes | n/a | Yes | Yes |
Java (J2ME) | Yes | n/a | Yes | - |
Voice | ||||
HD Voice | - | Yes | - | - |
Headset Jack (2.5 mm) | Yes | n/a | Yes | - |
Speaker Phone | Yes | Yes | Yes | Yes |
Samsung SGH-X640 | ZTE Blade Vantage | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Wafer R510 |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Samsung SGH-X640 | ZTE Blade Vantage | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Wafer R510 |