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| Phone | AT&T Vista | Samsung SCH-A990 | Siemens CX75 | Sony Ericsson T61c | Siemens CF75 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
? | ? | ? | ? |
| Display Resolution & Type |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
? |
128 x 160 pixels LCD (STN) |
| Display Refresh | 60 Hz | ? | ? | ? | ? |
| Battery | 2,450 mAh | 1,000 mAh | 750 mAh | ? | 600 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761V) | ? | ? | ? | ? |
| RAM | 3 GB | ? | ? | ? | ? |
| Storage | 32 GB | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 8 megapixel | 3 megapixel | 1 megapixel | - | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | ? | ? | - | - |
| Front Camera | 5 megapixel | - | - | - | - |
| Weight |
5.51 oz (156g) |
4.4 oz (125g) |
3.46 oz (98g) |
4.4 oz (125g) |
3.17 oz (90g) |
| Dimensions |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
4.8" x 2.13" x 0.92" (122 x 54 x 23.4 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | EVDO r0 | GPRS | 1xRTT | EDGE |
| Features | |||||
| Flashlight | Yes | Yes | - | - | - |
| GPS / Location | n/a | Yes | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | - | - | - |
| Multiple Languages | n/a | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | - | - | - |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Ringer Profiles | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes |
- |
| Infrared (IR) | - | - | Yes | - | Yes |
| USB |
Yes USB Type C |
Yes | Yes | - | Yes |
| Wi-Fi | Yes | - | - | - | - |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | - | - |
| Ringer ID | n/a | Yes | Yes | - | - |
| Voice Dialing | n/a | Yes | - | Yes | - |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | n/a | Yes | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | - | - | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | Yes | Yes | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - | - | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | n/a | - | Yes | - | Yes |
| EMS / Picture Messaging | n/a | Yes | Yes | Yes | Yes |
| MMS | n/a | Yes | Yes | - | Yes |
| Text Messaging Templates | n/a | Yes | - | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | - | - |
| Music Player | n/a | Yes | Yes | - | - |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes | Yes |
| To-Do List | n/a | - | Yes | - | Yes |
| Voice Memo | n/a | Yes | Yes | Yes | Yes |
| Software | |||||
| BREW | n/a | Yes | - | - | - |
| Games | n/a | Yes | Yes | Yes | Yes |
| Java (J2ME) | n/a | - | Yes | - | Yes |
| Voice | |||||
| HD Voice | Yes | - | - | - | - |
| Headset Jack (2.5 mm) | n/a | - | - | Yes | - |
| Push-To-Talk | - | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| AT&T Vista | Samsung SCH-A990 | Siemens CX75 | Sony Ericsson T61c | Siemens CF75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Vista | Samsung SCH-A990 | Siemens CX75 | Sony Ericsson T61c | Siemens CF75 |
