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| Phone | Samsung SGH-X640 | Samsung SPH-A760 / RL-A760 | Samsung SCH-A990 | ZTE Prelude / Avail 2 | Samsung Galaxy Note Edge (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
3.5" diag. 5 : 3 |
5.6" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~525 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 1,000 mAh | 1,000 mAh | 1,500 mAh | 3,000 mAh |
| Processor | ? | ? | ? | 1 GHz Qualcomm Snapdragon MSM7225A | 2.7 GHz Qualcomm Snapdragon 805 (APQ8084) |
| RAM | ? | ? | ? | 512 MB | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB | 32 GB |
| Main Camera | Yes | - | 3 megapixel | 2 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | ? | VGA (640 x 480) | 4K UHD |
| Front Camera | - | - | - | - | 4 megapixel |
| Weight |
3 oz (85g) |
3.8 oz (108g) |
4.4 oz (125g) |
4.4 oz (125g) |
6.14 oz (174g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.5" x 1.8" x 1" (89 x 46 x 25.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
5.96" x 3.24" x 0.33" (151 x 82 x 8.3 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | EVDO r0 | HSPA 7.2 | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | - | - | Yes |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | Yes | Yes | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | n/a | n/a |
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | - | Yes |
| MirrorLink | - | - | - | - | Yes |
| NFC | - | - | - | - | Yes |
| USB | - | - | Yes | Yes | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | Yes | n/a | n/a |
| Voice Dialing | - | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | - | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | - | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | - | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | - | Yes | n/a | n/a |
| Instant Messaging | - | - | - | n/a | n/a |
| MMS | Yes | - | Yes | n/a | n/a |
| Text Messaging Templates | Yes | - | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | - | - | Yes | n/a | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| TV Output | - | - | Yes | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | - | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| BREW | - | - | Yes | n/a | n/a |
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | Yes | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | - | n/a | n/a |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung SPH-A760 / RL-A760 | Samsung SCH-A990 | ZTE Prelude / Avail 2 | Samsung Galaxy Note Edge (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SPH-A760 / RL-A760 | Samsung SCH-A990 | ZTE Prelude / Avail 2 | Samsung Galaxy Note Edge (GSM) |
