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| Phone | Samsung SCH-U550 | HTC EVO 4G | Samsung Glyde U940 | Samsung SPH-A460 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
4.3" diag. 5 : 3 |
2.8" diag. 16.5 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Grayscale) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 1,500 mAh | 1,000 mAh | ? |
| Processor | ? | 1 GHz Qualcomm Snapdragon S1 QSD8650 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 720p HD | QVGA (320 x 240) | - |
| Front Camera | - | Yes | - | - |
| Weight |
3.17 oz (90g) |
6 oz (170g) |
4.2 oz (119g) |
3.4 oz (96g) |
| Dimensions |
3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm) |
4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
3.4" x 2.1" x 0.9" (86 x 53 x 22.9 mm) |
| Form Factor | Clamshell | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO r0 | WiMAX | EVDO r0 | - |
| Features | ||||
| GPS / Location | Yes | n/a | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes |
Yes M4 (very compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | - | - |
| USB | - | Yes | Yes | - |
| Wi-Fi | - |
Yes 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | - |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | 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 | Yes | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | Yes |
| 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 Capacitive |
Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | - | - |
| EMS / Picture Messaging | Yes | n/a | - | - |
| Instant Messaging | - | n/a | - | - |
| MMS | Yes | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | Yes | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | - | Yes |
| Voice Memo | Yes | n/a | - | - |
| Software | ||||
| BREW | Yes | n/a | Yes | - |
| Games | Yes | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung SCH-U550 | HTC EVO 4G | Samsung Glyde U940 | Samsung SPH-A460 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U550 | HTC EVO 4G | Samsung Glyde U940 | Samsung SPH-A460 |
