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| Phone | Samsung PM-A840 | Samsung Glyde U940 | Samsung SGH-X820 | Pantech Matrix Pro C820 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 16.5 : 9 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | 650 mAh | 1,320 mAh |
| Processor | ? | ? | ? | 528 MHz ARM 11 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 2 megapixel | 2 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | ? | QCIF (176 x 144) |
| Front Camera | - | - | - | - |
| Weight |
3.28 oz (93g) |
4.2 oz (119g) |
2.33 oz (66g) |
5.34 oz (151g) |
| Dimensions |
3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Standard |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EVDO r0 | EDGE | HSDPA 3.6 |
| Features | ||||
| GPS / Location | Yes | Yes | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | - | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | - | n/a |
| External Antenna Jack | - | - | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | n/a |
| EMS / Picture Messaging | - | - | Yes | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | - | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Music Player | - | Yes | - | n/a |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | - | Yes | n/a |
| Voice Memo | Yes | - | Yes | n/a |
| Software | ||||
| BREW | - | Yes | - | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung PM-A840 | Samsung Glyde U940 | Samsung SGH-X820 | Pantech Matrix Pro C820 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung PM-A840 | Samsung Glyde U940 | Samsung SGH-X820 | Pantech Matrix Pro C820 |
