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| Phone | Palm Treo 755p | Nokia E70 | Sony Ericsson Z550a | Motorola i530 | Samsung Flight A797 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
1.9" diag. 4 : 3 |
? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
352 x 416 pixels LCD (TFT/TFD) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
? |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,600 mAh | 1,150 mAh | ? | ? | 1,000 mAh |
| Processor | 312 MHz Intel XScale | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 1 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | CIF (352 x 288) | CIF (352 x 288) | ? | - | QVGA (320 x 240) |
| Front Camera | - | - | - | - | - |
| Weight |
5.64 oz (160g) |
4.48 oz (127g) |
3.26 oz (92g) |
5.5 oz (156g) |
4.8 oz (136g) |
| Dimensions |
4.4" x 2.3" x 0.84" (112 x 58 x 21.3 mm) |
4.61" x 2.09" x 0.87" (117 x 53 x 22.1 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
3.7" x 2.13" x 1.26" (94 x 54 x 32 mm) |
4.17" x 2.2" x 0.5" (106 x 56 x 12.7 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | Palm OS | S60 (Symbian) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | EDGE | GPRS | - | HSDPA 3.6 |
| Features | |||||
| GPS / Location | n/a | n/a | - | Yes | Yes |
| Ruggedized | - | - | - | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | - | - |
| Hearing Aid Compatible | Yes | - | - | - | Yes |
| Multiple Languages | n/a | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | Yes | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes | - |
Yes Classic Audio |
| Infrared (IR) | Yes | Yes | - | - | - |
| USB | Yes | Yes | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
- | - | - |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | - | Yes |
| Ringer ID | n/a | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes | Yes |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | - | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - | Yes |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | Yes | Yes |
| External Antenna Jack | n/a | n/a | - | - | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - | Yes |
| Touch Screen | Yes | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | - | Yes |
| EMS / Picture Messaging | n/a | n/a | - | - | - |
| Instant Messaging | n/a | n/a | - | - | Yes |
| MMS | n/a | n/a | Yes | - | Yes |
| Text Messaging Templates | n/a | n/a | Yes | - | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Music Player | n/a | n/a | Yes | - | 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 | Yes |
| Software | |||||
| Games | n/a | n/a | Yes | - | Yes |
| Java (J2ME) | n/a | n/a | Yes | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | n/a | - | Yes | - |
| Push-To-Talk | - | Yes * | Yes * | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Palm Treo 755p | Nokia E70 | Sony Ericsson Z550a | Motorola i530 | Samsung Flight A797 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 755p | Nokia E70 | Sony Ericsson Z550a | Motorola i530 | Samsung Flight A797 |
