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| Phone | Samsung SGH-X820 | BLU Vivo XI | Samsung PM-A840 | Red Hydrogen One |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5.9" diag. 19 : 9 |
? |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
720 x 1520 pixels (~285 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 650 mAh | 3,000 mAh | ? | 4,510 mAh |
| Processor | ? | 2 GHz MediaTek Helio P22 | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | 3 GB | ? | 6 GB |
| Storage | ? raw hardware | 32 GB | ? raw hardware | 128 GB * |
| Main Camera | 2 megapixel | 16 megapixel | Yes | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 1080p HD | - | 4K UHD |
| Front Camera | - | 16 megapixel | - | 8 megapixel |
| Weight |
2.33 oz (66g) |
6.6 oz (187g) |
3.28 oz (93g) |
9.63 oz (273g) |
| Dimensions |
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) |
3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm) |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| 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 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | LTE (Cat 6) | 1xRTT | LTE (Cat 12) |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
- |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | - | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | 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 | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| MMS | Yes | n/a | - | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X820 | BLU Vivo XI | Samsung PM-A840 | Red Hydrogen One | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | BLU Vivo XI | Samsung PM-A840 | Red Hydrogen One |
