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| Phone | Palm Treo 650 (CDMA) | Apple iPhone 4 (GSM) | Samsung Nexus S 4G | LG eXpo GW820 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
4" diag. 5 : 3 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
480 x 800 pixels (~292 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | ? | 1,500 mAh | 1,500 mAh |
| Processor | 312 MHz Intel XScale PXA270 | Apple A4 | 1 GHz Samsung Hummingbird Cortex A8 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 32 GB * | 16 GB | ? raw hardware |
| Main Camera | Yes | 5 megapixel | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | WVGA / 480p | ? |
| Front Camera | - | Yes | Yes | - |
| Weight |
6.3 oz (179g) |
4.8 oz (136g) |
4.62 oz (131g) |
5.2 oz (147g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm) |
4.45" x 2.16" x 0.63" (113 x 55 x 16 mm) |
| Platform / OS | Palm OS | iOS | Android | Windows Mobile Professional |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | HSPA 7.2 | WiMAX | HSPA 7.2 |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
- |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| NFC | - | - | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | Yes |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Palm Treo 650 (CDMA) | Apple iPhone 4 (GSM) | Samsung Nexus S 4G | LG eXpo GW820 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Apple iPhone 4 (GSM) | Samsung Nexus S 4G | LG eXpo GW820 |
