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| Phone | Samsung SCH-U620 | Samsung SGH-X820 | BLU Vivo XI | ZTE Blade Vantage |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5.9" diag. 19 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
720 x 1520 pixels (~285 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 650 mAh | 3,000 mAh | 2,500 mAh |
| Processor | ? | ? | 2 GHz MediaTek Helio P22 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | ? | 3 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 16 GB |
| Main Camera | 1 megapixel | 2 megapixel | 16 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | 1080p HD | 720p HD |
| Front Camera | - | - | 16 megapixel | 2 megapixel |
| Weight |
3.74 oz (106g) |
2.33 oz (66g) |
6.6 oz (187g) |
5.29 oz (150g) |
| Dimensions |
3.78" x 1.85" x 0.87" (96 x 47 x 22.1 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
5.89" x 2.87" x 0.31" (150 x 73 x 7.9 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
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: 2, 4, 5, 13 |
| Data Technology | EVDO r0 | EDGE | LTE (Cat 6) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | Yes | - | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Dual-SIM | - | - | Yes | - |
| External Antenna Jack | - | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | n/a |
| EMS / Picture Messaging | - | Yes | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | Yes | - | n/a | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes | - | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-U620 | Samsung SGH-X820 | BLU Vivo XI | ZTE Blade Vantage | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U620 | Samsung SGH-X820 | BLU Vivo XI | ZTE Blade Vantage |
