Compare Phones
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| Phone | Samsung SGH-X640 | Siemens SL55 | ZTE Savvy | Nokia 2660 | Cricket Influence / AT&T Maestro Plus |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
4" diag. 5 : 3 |
? |
6.2" diag. 19 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
720 x 1520 pixels (~271 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 500 mAh | 1,650 mAh | 700 mAh | 3,300 mAh |
| Processor | ? | ? | 1 GHz Qualcomm MSM8625 | ? | 1.8 GHz Qualcomm Snapdragon 460 |
| RAM | ? | ? | 768 MB | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | 4 GB | ? raw hardware | 32 GB |
| Main Camera | Yes | - | 5 megapixel | - | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | WVGA / 480p | - | 1080p HD |
| Front Camera | - | - | - | - | 5 megapixel |
| Weight |
3 oz (85g) |
2.79 oz (79g) |
4.43 oz (126g) |
2.79 oz (79g) |
6.52 oz (185g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm) |
3.43" x 1.76" x 0.81" (87 x 45 x 20.6 mm) |
6.28" x 2.99" x 0.35" (160 x 76 x 8.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS | EVDO rA | EDGE | LTE (Cat 13) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | - | n/a | - | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | - | n/a |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| USB | - | - |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | - | n/a |
| Voice Dialing | - | Yes | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | - | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | - | n/a |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | Yes | n/a |
| Instant Messaging | - | - | n/a | Yes * | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | - | - | n/a | - | n/a |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | Yes | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Siemens SL55 | ZTE Savvy | Nokia 2660 | Cricket Influence / AT&T Maestro Plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Siemens SL55 | ZTE Savvy | Nokia 2660 | Cricket Influence / AT&T Maestro Plus |
