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| Phone | Samsung SGH-X820 | HTC HD7 / HD7S | Motorola ROKR E2 | AT&T Vista |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 5 : 3 |
? |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 650 mAh | 1,230 mAh | ? | 2,450 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon S1 QSD8250 | ? | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 32 GB |
| Main Camera | 2 megapixel | 5 megapixel | 1 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 720p HD | ? | 1080p HD |
| Front Camera | - | - | - | 5 megapixel |
| Weight |
2.33 oz (66g) |
5.71 oz (162g) |
3.77 oz (107g) |
5.51 oz (156g) |
| Dimensions |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm) |
4.17" x 1.95" x 0.71" (106 x 50 x 18 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Windows | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
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| Data Technology | EDGE | HSPA 7.2 | EDGE | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | - | n/a | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - | Yes |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | Yes |
| 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 | ||||
| Data Tethering | - | n/a | Yes | n/a |
| 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 | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | Yes | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | 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 |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X820 | HTC HD7 / HD7S | Motorola ROKR E2 | AT&T Vista | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | HTC HD7 / HD7S | Motorola ROKR E2 | AT&T Vista |
