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| Phone | ZTE Z998 / Unico LTE | Sony Xperia S | Kyocera DuraXTP | Samsung SPH-A660 / VI660 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
4.3" diag. 16 : 9 |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~342 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (Color) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 2,070 mAh | 1,750 mAh | 1,500 mAh | ? |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | 1.5 GHz Qualcomm Snapdragon S3 MSM8260 | 480 MHz Qualcomm QSC6185 | ? |
| RAM | 1 GB | 1 GB | 256 MB | ? |
| Storage | 4 GB | 32 GB | 512 MB | ? raw hardware |
| Main Camera | 5 megapixel | 12 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | 1080p HD | QVGA (320 x 240) | - |
| Front Camera | 1 megapixel | 1 megapixel | - | - |
| Weight |
4.8 oz (136g) |
5.1 oz (145g) |
5.75 oz (163g) |
3.54 oz (100g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
5" x 2.5" x 0.4" (127 x 64 x 10.2 mm) |
4.13" x 2.15" x 0.99" (105 x 55 x 25.1 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | LTE (Cat 3) | HSPA 14.4 | EVDO rA | 1xRTT |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | - | - |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | Yes |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | 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 | n/a | n/a | Yes | - |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | Yes | - |
| Text Messaging Templates | n/a | n/a | Yes | - |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | Yes | Yes |
| Voice Memo | n/a | n/a | Yes | Yes |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | - | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | n/a | - | Yes |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| ZTE Z998 / Unico LTE | Sony Xperia S | Kyocera DuraXTP | Samsung SPH-A660 / VI660 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Sony Xperia S | Kyocera DuraXTP | Samsung SPH-A660 / VI660 |
