Compare Phones
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| Phone | ZTE Prelude / Avail 2 | Samsung SGH-A127 | Samsung SGH-X640 | ZTE Obsidian | Nokia 6255i / 6256i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? | ? |
4.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz | ? |
| Battery | 1,500 mAh | 800 mAh | 800 mAh | 1,800 mAh | 1,070 mAh |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | ? | ? | 1 GHz MediaTek / MT6735M | ? |
| RAM | 512 MB | ? | ? | 1 GB | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | 2 megapixel | Yes | Yes | 5 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | - | - | 720p HD | ? |
| Front Camera | - | - | - | 2 megapixel | - |
| Weight |
4.4 oz (125g) |
2.86 oz (81g) |
3 oz (85g) |
4.66 oz (132g) |
4.23 oz (120g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.39" x 1.67" x 0.76" (86 x 42 x 19.3 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | HSPA 7.2 | GPRS | GPRS | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | n/a | - | - | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | - | n/a | - |
| Hearing Aid Compatible | Yes | - | - | Yes | Yes |
| Multiple Languages | n/a | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- | - |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | - | - | Yes |
| Mobile Hotspot | n/a | - | - | n/a | - |
| USB | Yes | - | - |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | - | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | Yes | n/a | Yes |
| Voice Dialing | n/a | - | - | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | - | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | - | n/a | Yes |
| EMS / Picture Messaging | n/a | - | Yes | n/a | Yes * |
| Instant Messaging | n/a | - | - | n/a | - |
| MMS | n/a | Yes | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | Yes | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | n/a | - | - | n/a | Yes * |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | Yes |
| Calculator | n/a | Yes | Yes | n/a | Yes |
| Calendar | n/a | Yes | Yes | n/a | Yes |
| To-Do List | n/a | Yes | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | n/a | - | - | n/a | Yes * |
| Games | n/a | Yes | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | Yes | n/a | Yes * |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Prelude / Avail 2 | Samsung SGH-A127 | Samsung SGH-X640 | ZTE Obsidian | Nokia 6255i / 6256i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Samsung SGH-A127 | Samsung SGH-X640 | ZTE Obsidian | Nokia 6255i / 6256i |
