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| Phone | Pantech Duo C810 | Samsung SGH-A187 | Sony Ericsson Z550a | Palm Pre (CDMA) | Samsung Galaxy S II / SGH-i777 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
1.9" diag. 4 : 3 |
3.1" diag. 5 : 3 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 1,320 mAh | 800 mAh | ? | 1,150 mAh | 1,650 mAh |
| Processor | ARM 920t PXA27x | ? | ? | TI OMAP 3430 | 1.2 GHz Samsung Exynos dual-core |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 1 megapixel | 1 megapixel | 1 megapixel | 3 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | ? | ? | 1080p HD |
| Front Camera | - | - | - | - | 2 megapixel |
| Weight |
3.88 oz (110g) |
3.1 oz (88g) |
3.26 oz (92g) |
4.76 oz (135g) |
4.3 oz (122g) |
| Dimensions |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
4.33" x 2.28" x 0.47" (110 x 58 x 11.9 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
3.9" x 2.3" x 0.67" (99 x 58 x 17 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
| Form Factor | Slide | Slab | Clamshell | Slide | Slab |
| Platform / OS | Windows Mobile Standard | (proprietary) | (proprietary) | webOS | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 1.8 | EDGE | GPRS | EVDO rA | HSPA+ 21 |
| Features | |||||
| GPS / Location | n/a | - | - | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | - | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB | Yes | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
Yes 4 (802.11 a,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | Yes | n/a | n/a |
| Voice Dialing | n/a | - | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | Yes | - |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | Yes | n/a | n/a |
| Instant Messaging | n/a | Yes | - | n/a | n/a |
| MMS | n/a | Yes | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | n/a | Yes | Yes | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| TV Output | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | n/a |
| Calculator | n/a | Yes | Yes | n/a | n/a |
| Calendar | n/a | Yes | Yes | n/a | n/a |
| To-Do List | n/a | - | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a | n/a |
| Voice | |||||
| Push-To-Talk | - | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Pantech Duo C810 | Samsung SGH-A187 | Sony Ericsson Z550a | Palm Pre (CDMA) | Samsung Galaxy S II / SGH-i777 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Pantech Duo C810 | Samsung SGH-A187 | Sony Ericsson Z550a | Palm Pre (CDMA) | Samsung Galaxy S II / SGH-i777 |
