Compare Phones
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| Phone | Samsung SGH-X640 | Sony Ericsson T61c | Motorola v66i | Samsung Galaxy Core Prime (GSM) | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
4.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
? | ? |
480 x 800 pixels (~207 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | ? | ? | 2,000 mAh | 1,000 mAh |
| Processor | ? | ? | ? | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | ? |
| RAM | ? | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | Yes | - | - | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | 720p HD | ? |
| Front Camera | - | - | - | 2 megapixel | - |
| Weight |
3 oz (85g) |
4.4 oz (125g) |
2.79 oz (79g) |
4.27 oz (121g) |
4.4 oz (125g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.8" x 2.13" x 0.92" (122 x 54 x 23.4 mm) |
3.3" x 1.7" x 0.83" (84 x 43 x 21.1 mm) |
5.16" x 2.68" x 0.35" (131 x 68 x 8.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | 1xRTT | GPRS | LTE (Cat 3) | EVDO r0 |
| Features | |||||
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | - | Yes | - | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | n/a | - |
| Hearing Aid Compatible | - | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| Mobile Hotspot | - | - | - | n/a | - |
| USB | - | - | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | - | - | n/a | Yes |
| Ringer ID | Yes | - | Yes | n/a | Yes |
| Voice Dialing | - | Yes | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | Yes | Yes | - | - |
| Custom Graphics | Yes | Yes | - | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | n/a | - |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a | Yes |
| Instant Messaging | - | - | - | n/a | - |
| MMS | Yes | - | - | n/a | Yes |
| Text Messaging Templates | Yes | Yes | - | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | - | - | n/a | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | 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 | - | - | n/a | - |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | - | - | - | n/a | Yes |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | Yes | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a | - |
| Speaker Phone | Yes | - | - | Yes | Yes |
| Samsung SGH-X640 | Sony Ericsson T61c | Motorola v66i | Samsung Galaxy Core Prime (GSM) | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sony Ericsson T61c | Motorola v66i | Samsung Galaxy Core Prime (GSM) | Samsung SCH-A990 |
