Compare Phones
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| Phone | Samsung SGH-X640 | Motorola Q9m / Q9c | Samsung M400 | Motorola Moto z4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
2.4" diag. 4 : 3 |
6.4" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~403 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 1,170 mAh | 1,000 mAh | 3,600 mAh |
| Processor | ? | PXA27x (ARM920T) | 400 MHz Qualcomm QSC6155 | 2 GHz Qualcomm Snapdragon 675 |
| RAM | ? | ? | 128 MB | 4 GB |
| Storage | ? raw hardware | ? raw hardware | 256 MB | 128 GB |
| Main Camera | Yes | 1 megapixel | 1 megapixel | 48 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | 4K UHD |
| Front Camera | - | - | - | 25 megapixel |
| Weight |
3 oz (85g) |
4.76 oz (135g) |
3.7 oz (105g) |
6 oz (170g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm) |
3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm) |
6.22" x 2.96" x 0.29" (158 x 75 x 7.4 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Windows Mobile Standard | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 800, 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EVDO r0 | 1xRTT | LTE (Cat 12) |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | - | n/a | Yes | n/a |
| Water-Resistant | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | Yes | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| NFC | - | - | - | Yes |
| USB | - |
Yes Mini-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - | - |
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 | - | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | 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 |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | 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 |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | n/a | - | n/a |
| Stereo Speakers | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | - | 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 | - | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Motorola Q9m / Q9c | Samsung M400 | Motorola Moto z4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Q9m / Q9c | Samsung M400 | Motorola Moto z4 |
