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| Phone | Samsung Glyde U940 | Samsung Wafer R510 | Samsung SCH-A990 | ZTE Speed |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.8" diag. 16.5 : 9 |
1.9" diag. 4 : 3 |
? |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 800 mAh | 1,000 mAh | 2,000 mAh |
| Processor | ? | ? | ? | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 |
| RAM | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | 2 megapixel | 1 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | ? | 720p HD |
| Front Camera | - | - | - | 2 megapixel |
| Weight |
4.2 oz (119g) |
2.47 oz (70g) |
4.4 oz (125g) |
4.8 oz (136g) |
| Dimensions |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
| Form Factor | Slide | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
| Data Technology | EVDO r0 | EVDO r0 | EVDO r0 | LTE (Cat 3) |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | - | n/a |
| USB | Yes | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | - | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | - | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | - | - | Yes | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | Yes | Yes | n/a |
| Stereo Speakers | - | Yes | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| Voice Memo | - | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes | Yes | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Glyde U940 | Samsung Wafer R510 | Samsung SCH-A990 | ZTE Speed | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Glyde U940 | Samsung Wafer R510 | Samsung SCH-A990 | ZTE Speed |
