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| Phone | ZTE Z331 | Apple iPhone 4 (CDMA) | Samsung Captivate Glide |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
3.5" diag. 5 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 950 mAh | ? | 1,650 mAh |
| Processor | ? | ? | 1 GHz Nvidia Tegra 2 AP20H |
| RAM | ? | ? | 1 GB |
| Storage | ? raw hardware | 8 GB * | 8 GB |
| Main Camera | 3 megapixel | 5 megapixel | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | 720p HD | 720p HD |
| Front Camera | - | Yes | 1 megapixel |
| Weight |
4 oz (113g) |
4.8 oz (136g) |
5.2 oz (147g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.88" x 2.55" x 0.51" (124 x 65 x 13 mm) |
| Form Factor | Clamshell | Slab | Slide |
| Platform / OS | (proprietary) | iOS | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EVDO rA | HSPA+ 21 |
| Features | |||
| GPS / Location | Yes | n/a | n/a |
| Accessibility | |||
| Adjustable Text Size | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| Data Tethering | Yes | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | Yes | n/a | n/a |
| Instant Messaging | Yes | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | Yes | n/a | n/a |
| Photo & Video | |||
| DLNA | - | - | Yes |
| TV Output | - | Yes | Yes |
| Video Calling | - | n/a | n/a |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| ZTE Z331 | Apple iPhone 4 (CDMA) | Samsung Captivate Glide | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Apple iPhone 4 (CDMA) | Samsung Captivate Glide |
