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| Phone | Palm Treo 650 (CDMA) | Samsung SGH-A157 | Sony Ericsson Xperia X10 mini pro (2010) | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
1.8" diag. 4 : 3 |
2.6" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 800 mAh | 930 mAh | 1,000 mAh |
| Processor | 312 MHz Intel XScale PXA270 | ? | 600 MHz Qualcomm S1 MSM7227 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 256 MB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | VGA (640 x 480) | ? |
| Front Camera | - | - | - | - |
| Weight |
6.3 oz (179g) |
2.99 oz (85g) |
4.2 oz (119g) |
4.4 oz (125g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.5" x 2" x 0.7" (89 x 51 x 17.8 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slab | Clamshell | Slide | Clamshell |
| Platform / OS | Palm OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | ? | HSPA 7.2 | EVDO r0 |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | - |
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - | Yes | - |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - |
| Touch Screen | Yes | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| EMS / Picture Messaging | n/a | - | n/a | Yes |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | n/a | - | n/a | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | - | 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 | Yes | n/a | - |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| BREW | n/a | - | n/a | Yes |
| Games | n/a | - | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Palm Treo 650 (CDMA) | Samsung SGH-A157 | Sony Ericsson Xperia X10 mini pro (2010) | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Samsung SGH-A157 | Sony Ericsson Xperia X10 mini pro (2010) | Samsung SCH-A990 |
