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| Phone | Palm Treo 755p | Motorola KRZR K1 | HTC EVO 4G LTE | Samsung Comeback T559 | Motorola i530 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
4.7" diag. 16 : 9 |
2.6" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
400 x 240 pixels (~179 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 1,600 mAh | 780 mAh | 2,000 mAh | 960 mAh | ? |
| Processor | 312 MHz Intel XScale | ? | 1.5 GHz Qualcomm Snapdragon S4 | ? | ? |
| RAM | ? | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 8 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | CIF (352 x 288) | ? | 1080p HD | QVGA (320 x 240) | - |
| Front Camera | - | - | 1 megapixel | - | - |
| Weight |
5.64 oz (160g) |
3.6 oz (102g) |
5.05 oz (143g) |
4.6 oz (130g) |
5.5 oz (156g) |
| Dimensions |
4.4" x 2.3" x 0.84" (112 x 58 x 21.3 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
5.3" x 2.7" x 0.35" (135 x 69 x 8.9 mm) |
4.33" x 2.2" x 0.73" (110 x 56 x 18.5 mm) |
3.7" x 2.13" x 1.26" (94 x 54 x 32 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | Palm OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
WCDMA: 4 GSM: 850, 900, 1800, 1900 |
iDEN: 800 |
| Data Technology | EVDO r0 | EDGE | LTE (Cat 3) | HSDPA 3.6 | - |
| Features | |||||
| GPS / Location | n/a | - | n/a | - | Yes |
| Ruggedized | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | - | - |
| Hearing Aid Compatible | Yes | - | Yes | - | - |
| Multiple Languages | n/a | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | - |
| Alerts | |||||
| Extra Display | - | Yes | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Infrared (IR) | Yes | - | - | - | - |
| Mobile Hotspot | n/a | - | n/a | - | - |
| NFC | - | - | Yes | - | - |
| USB | Yes | Yes |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | Yes | - |
| Ringer ID | n/a | Yes | n/a | Yes | Yes |
| Voice Dialing | n/a | Yes | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | Yes | - |
| Custom Ringtones | n/a | Yes | n/a | Yes | Yes |
| Real-Music Ringers | n/a | - | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | - | Yes |
| External Antenna Jack | n/a | - | n/a | - | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes | - |
| Touch Screen | Yes | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | Yes | - |
| EMS / Picture Messaging | n/a | Yes | n/a | - | - |
| Instant Messaging | n/a | - | n/a | Yes | - |
| MMS | n/a | Yes | n/a | Yes | - |
| Text Messaging Templates | n/a | Yes | n/a | Yes | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | n/a | Yes | n/a | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | Yes | - |
| Calculator | n/a | Yes | n/a | Yes | - |
| Calendar | n/a | Yes | n/a | Yes | - |
| To-Do List | n/a | - | n/a | Yes | - |
| Voice Memo | n/a | Yes | n/a | Yes | Yes |
| Software | |||||
| Games | n/a | Yes | n/a | Yes | - |
| Java (J2ME) | n/a | Yes | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | - | Yes |
| Push-To-Talk | - | Yes * | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Palm Treo 755p | Motorola KRZR K1 | HTC EVO 4G LTE | Samsung Comeback T559 | Motorola i530 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 755p | Motorola KRZR K1 | HTC EVO 4G LTE | Samsung Comeback T559 | Motorola i530 |
