Compare Phones
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| Phone | Samsung SGH-X640 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Motorola T720 / T721 (GSM) | BlackBerry Bold 9900 | Samsung SCH-A890 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
? |
2.8" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
640 x 480 pixels (~286 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? | ? |
| Battery | 800 mAh | 2,600 mAh | ? | 1,230 mAh | ? |
| Processor | ? | 1.4 GHz Samsung Exynos 7570 | ? | 1.2 GHz Qualcomm Snapdragon S2 MSM8255 | ? |
| RAM | ? | 2 GB | ? | 768 MB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | Yes | 8 megapixel | - | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | - | 720p HD | ? |
| Front Camera | - | 5 megapixel | - | - | - |
| Weight |
3 oz (85g) |
5.43 oz (154g) |
3.56 oz (101g) |
4.59 oz (130g) |
2.8 oz (79g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
4.53" x 2.6" x 0.41" (115 x 66 x 10.5 mm) |
3.5" x 1.97" x 0.98" (89 x 50 x 24.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | BlackBerry OS | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
||
| Data Technology | GPRS | LTE (Cat 4) | GPRS | HSPA 14.4 | EVDO r0 |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | n/a | - | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | - |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
- |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | - | n/a | Yes |
| Ringer ID | Yes | n/a | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | - |
| Custom Graphics | Yes | n/a | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | - | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | Yes | n/a | - |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a | - |
| Instant Messaging | - | n/a | - | n/a | - |
| MMS | Yes | n/a | - | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | - | n/a | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | Yes | n/a | - | n/a | Yes |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | - | n/a | - | n/a | Yes |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | Yes | n/a | - |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | Yes |
| Speaker Phone | Yes | Yes | - | Yes | - |
| Samsung SGH-X640 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Motorola T720 / T721 (GSM) | BlackBerry Bold 9900 | Samsung SCH-A890 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Motorola T720 / T721 (GSM) | BlackBerry Bold 9900 | Samsung SCH-A890 |
