Compare Phones
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| Phone | Samsung SGH-X640 | Motorola Rival A455 | Samsung Flight II | Huawei Ascend II | Sonim XP Strike |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
2.8" diag. 5 : 3 |
3.5" diag. 5 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
240 x 400 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 940 mAh | ? | 1,400 mAh | 1,950 mAh |
| Processor | ? | ? | ? | 600 MHz Qualcomm S1 MSM7627 | ? |
| RAM | ? | ? | ? | ? | 256 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 512 MB |
| Main Camera | Yes | 2 megapixel | 2 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | QVGA (320 x 240) | VGA (640 x 480) | ? |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
4.48 oz (127g) |
3.5 oz (99g) |
4.1 oz (116g) |
6.52 oz (185g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
4.41" x 2.11" x 0.5" (112 x 54 x 12.7 mm) |
4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm) |
4.95" x 2.3" x 0.98" (126 x 58 x 24.9 mm) |
| Form Factor | Clamshell | Slide | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 800, 850, 1900 |
| Data Technology | GPRS | EVDO r0 | HSPA 7.2 | EVDO rA | EVDO rA |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | Yes | Yes | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | - |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | Yes | n/a | Yes |
| Voice Dialing | - | Yes | Yes | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | - | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - | - |
| Touch Screen | - | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | Yes | n/a | - |
| EMS / Picture Messaging | Yes | Yes | - | n/a | - |
| Instant Messaging | - | Yes | Yes | n/a | - |
| MMS | Yes | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | Yes | n/a | - |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Music Player | - | Yes | Yes | n/a | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | - | Yes | - | n/a | - |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | Yes | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | - | n/a | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Motorola Rival A455 | Samsung Flight II | Huawei Ascend II | Sonim XP Strike | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Rival A455 | Samsung Flight II | Huawei Ascend II | Sonim XP Strike |
