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| Phone | Samsung SGH-E640 | ZTE Prelude / Avail 2 | ZTE Max XL | Kyocera 3225 | NEC 525 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
6" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
162 x 216 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 800 mAh | 1,500 mAh | 3,990 mAh | ? | 800 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon MSM7225A | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? | ? |
| RAM | ? | 512 MB | 2 GB | ? | ? |
| Storage | ? raw hardware | 4 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 13 megapixel | - | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | VGA (640 x 480) | 1080p HD | - | - |
| Front Camera | - | - | 5 megapixel | - | - |
| Weight |
3.17 oz (90g) |
4.4 oz (125g) |
6.35 oz (180g) |
4.23 oz (120g) |
4.03 oz (114g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
6.5" x 3.3" x 0.37" (165 x 84 x 9.4 mm) |
3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm) |
4.12" x 1.88" x 1.06" (105 x 48 x 26.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | HSPA 7.2 | LTE (Cat 6) | 1xRTT | GPRS |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | n/a | n/a | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | - |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | - |
| Infrared (IR) | - | - | - | - | Yes |
| USB | Yes | Yes |
Yes USB Type C |
- | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | Yes |
| Ringer ID | Yes | n/a | n/a | - | Yes |
| Voice Dialing | - | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | Yes |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | - | Yes |
| Text Messaging Templates | Yes | n/a | n/a | - | - |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | Yes |
| Voice Memo | Yes | n/a | n/a | - | Yes |
| Software | |||||
| BREW | - | n/a | n/a | Yes | - |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | - | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung SGH-E640 | ZTE Prelude / Avail 2 | ZTE Max XL | Kyocera 3225 | NEC 525 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | ZTE Prelude / Avail 2 | ZTE Max XL | Kyocera 3225 | NEC 525 |
