Compare Phones
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| Phone | Samsung SGH-X640 | Sony Xperia Z Ultra | Motorola Moto X (CDMA, 2nd gen.) | Motorola Sidekick Slide |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6.4" diag. 16 : 9 |
5.2" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~344 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) AMOLED |
320 x 240 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | 3,050 mAh | 2,300 mAh | ? |
| Processor | ? | 2.2 GHz Qualcomm Snapdragon 800 MSM8974 | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) | 225 MHz TI OMAP 850 |
| RAM | ? | 2 GB | 2 GB | ? |
| Storage | ? raw hardware | 16 GB | 16 GB * | ? raw hardware |
| Main Camera | Yes | 8 megapixel | 13 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD | - |
| Front Camera | - | 2 megapixel | 2 megapixel | - |
| Weight |
3 oz (85g) |
7.48 oz (212g) |
5.08 oz (144g) |
5.3 oz (150g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
7.06" x 3.63" x 0.26" (179 x 92 x 6.5 mm) |
5.54" x 2.85" x 0.39" (141 x 72 x 9.9 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | LTE (Cat 4) | LTE (Cat 4) | EDGE |
| Features | ||||
| GPS / Location | - | n/a | n/a | - |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | - |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| MirrorLink | - | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | Yes | Yes | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | - |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | Yes | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | - |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Sony Xperia Z Ultra | Motorola Moto X (CDMA, 2nd gen.) | Motorola Sidekick Slide | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sony Xperia Z Ultra | Motorola Moto X (CDMA, 2nd gen.) | Motorola Sidekick Slide |
