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| Phone | ZTE Speed | Samsung SCH-A990 | Samsung DoubleTime | T-Mobile REVVL V | Casio G'zOne Rock |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
3.2" diag. 5 : 3 |
6.5" diag. 20 : 9 |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz | ? |
| Battery | 2,000 mAh | 1,000 mAh | 1,200 mAh | 4,000 mAh | 1,150 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | ? | 600 MHz Qualcomm | 2 GHz MediaTek Helio G25 (MT6762V) | ? |
| RAM | 1 GB | ? | ? | 3 GB | ? |
| Storage | 8 GB | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 3 megapixel | 13 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | ? | QVGA (320 x 240) | 1080p HD | ? |
| Front Camera | 2 megapixel | - | - | 5 megapixel | - |
| Weight |
4.8 oz (136g) |
4.4 oz (125g) |
5.22 oz (148g) |
6.45 oz (183g) |
4.4 oz (125g) |
| Dimensions |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm) |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | LTE (Cat 3) | EVDO r0 | HSPA 7.2 | LTE (Cat 6) | EVDO rA |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | Yes |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | - |
| Instant Messaging | n/a | - | n/a | n/a | Yes |
| MMS | n/a | Yes | n/a | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | n/a | Yes |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | Yes |
| Calculator | n/a | Yes | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | Yes | n/a | n/a | Yes |
| Games | n/a | Yes | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | Yes | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Speed | Samsung SCH-A990 | Samsung DoubleTime | T-Mobile REVVL V | Casio G'zOne Rock | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Speed | Samsung SCH-A990 | Samsung DoubleTime | T-Mobile REVVL V | Casio G'zOne Rock |
