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| Phone | Samsung SGH-D800 | ZTE Z431 / Altair | CAT S61 | Siemens SK65 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
5.2" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 1,000 mAh | 4,500 mAh | 750 mAh |
| Processor | ? | ? | 2.2 GHz Qualcomm Snapdragon 630 | ? |
| RAM | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 64 GB | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 16 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | QVGA (320 x 240) | 4K UHD | - |
| Front Camera | - | - | 8 megapixel | - |
| Weight |
3.46 oz (98g) |
3.52 oz (100g) |
9.03 oz (256g) |
5.08 oz (144g) |
| Dimensions |
3.82" x 2.05" x 0.59" (97 x 52 x 15 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
5.91" x 2.99" x 0.51" (150 x 76 x 13 mm) |
4.72" x 1.85" x 0.87" (120 x 47 x 22.1 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | EDGE | ? | LTE (Cat 13) | GPRS |
| Features | ||||
| Barometer | - | - | Yes | - |
| Flashlight | - | - | Yes | - |
| GPS / Location | - | Yes | n/a | - |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| NFC | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | n/a | - |
| Voice Dialing | Yes | - | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | Yes |
| Dual-SIM | - | - | Yes * | - |
| External Antenna Jack | Yes | - | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | Yes |
| EMS / Picture Messaging | Yes | - | n/a | - |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | Yes | Yes | n/a | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | - | - | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| BREW | - | Yes | n/a | - |
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | n/a | Yes |
| Voice | ||||
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-D800 | ZTE Z431 / Altair | CAT S61 | Siemens SK65 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-D800 | ZTE Z431 / Altair | CAT S61 | Siemens SK65 |
