Compare Phones
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| Phone | ZTE Z331 | Cal-Comp EZ | Palm Treo 680 | Nokia 6170 | Motorola KRZR K1m |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? | ? | ? | ? |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
320 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 950 mAh | 800 mAh | ? | 760 mAh | 880 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | - | Yes | Yes | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | CIF (352 x 288) | ? | ? |
| Front Camera | - | - | - | - | - |
| Weight |
4 oz (113g) |
2.47 oz (70g) |
5.5 oz (156g) |
4.34 oz (123g) |
3.63 oz (103g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm) |
3.46" x 1.81" x 0.94" (88 x 46 x 23.9 mm) |
4.06" x 1.73" x 0.67" (103 x 44 x 17 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Palm OS | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | EDGE | EDGE | EVDO r0 |
| Features | |||||
| GPS / Location | Yes | Yes | n/a | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- | - | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | Yes |
| Ringer Profiles | Yes | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | Yes | - |
| USB |
Yes Micro-USB |
Yes Mini-USB |
Yes | Yes |
Yes Mini-USB |
| Contacts | |||||
| Picture ID | Yes | - | n/a | Yes | Yes |
| Ringer ID | Yes | - | n/a | - | Yes |
| Voice Dialing | - | - | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | - | n/a | Yes | Yes |
| Custom Ringtones | Yes | - | n/a | Yes | Yes |
| Real-Music Ringers | Yes | - | n/a | - | - |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | Yes | Yes |
| External Antenna Jack | - | - | n/a | - | - |
| WAP / Web Browser | Yes | - | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | - | n/a | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | - | n/a | Yes | - |
| EMS / Picture Messaging | - | - | n/a | Yes | Yes |
| Instant Messaging | Yes | - | n/a | Yes | Yes * |
| MMS | Yes | - | n/a | Yes | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | Yes |
| Music | |||||
| Music Player | Yes | - | n/a | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | - | Yes | n/a | Yes | - |
| Voice Memo | Yes | Yes * | n/a | Yes | Yes |
| Software | |||||
| BREW | - | - | n/a | - | Yes * |
| Games | Yes | - | n/a | Yes | Yes |
| Java (J2ME) | Yes | - | n/a | Yes | Yes * |
| Voice | |||||
| Headset Jack (2.5 mm) | - | Yes | n/a | - | - |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z331 | Cal-Comp EZ | Palm Treo 680 | Nokia 6170 | Motorola KRZR K1m | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Cal-Comp EZ | Palm Treo 680 | Nokia 6170 | Motorola KRZR K1m |
