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| Phone | Samsung SGH-X640 | BLU Vivo XI | Samsung ATIV SE | Motorola V878 | Samsung M520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.9" diag. 19 : 9 |
5" diag. 16 : 9 |
? |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1520 pixels (~285 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) AMOLED |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? | ? |
| Battery | 800 mAh | 3,000 mAh | 2,600 mAh | ? | ? |
| Processor | ? | 2 GHz MediaTek Helio P22 | ? | ? | ? |
| RAM | ? | 3 GB | 2 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 16 megapixel | 13 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | ? | ? |
| Front Camera | - | 16 megapixel | 2 megapixel | - | - |
| Weight |
3 oz (85g) |
6.6 oz (187g) |
4.79 oz (136g) |
2.82 oz (80g) |
2.75 oz (78g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.89" x 2.87" x 0.31" (150 x 73 x 7.9 mm) |
5.42" x 2.75" x 0.33" (138 x 70 x 8.4 mm) |
3.23" x 1.65" x 0.85" (82 x 42 x 21.6 mm) |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slide |
| Platform / OS | (proprietary) | Android | Windows | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | LTE (Cat 6) | LTE (Cat 3) | GPRS | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | n/a | n/a | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | - |
| Hearing Aid Compatible | - | - | Yes | - | Yes |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes |
Yes Classic Audio |
- |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | n/a | - | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | - |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes | - |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | n/a | - | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | - | n/a | n/a | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | Yes | n/a | n/a | - | Yes |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | - | - |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| Samsung SGH-X640 | BLU Vivo XI | Samsung ATIV SE | Motorola V878 | Samsung M520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | BLU Vivo XI | Samsung ATIV SE | Motorola V878 | Samsung M520 |
