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| Phone | ZTE Blade Spark | T-Mobile REVVL V | Samsung Glyde U940 | Samsung SGH-X640 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
6.5" diag. 20 : 9 |
2.8" diag. 16.5 : 9 |
? |
| Display Resolution & Type |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 3,140 mAh | 4,000 mAh | 1,000 mAh | 800 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 2 GHz MediaTek Helio G25 (MT6762V) | ? | ? |
| RAM | 2 GB | 3 GB | ? | ? |
| Storage | 16 GB | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 13 megapixel | 13 megapixel | 2 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | 1080p HD | QVGA (320 x 240) | - |
| Front Camera | 5 megapixel | 5 megapixel | - | - |
| Weight |
6.12 oz (173g) |
6.45 oz (183g) |
4.2 oz (119g) |
3 oz (85g) |
| Dimensions |
6.14" x 3.06" x 0.38" (156 x 78 x 9.7 mm) |
6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
| Form Factor | Slab | Slab | Slide | Clamshell |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | LTE (Cat 6) | EVDO r0 | GPRS |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | - | - |
| GPS / Location | n/a | n/a | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | - |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| EMS / Picture Messaging | n/a | n/a | - | Yes |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | Yes |
| Voice Memo | n/a | n/a | - | Yes |
| Software | ||||
| BREW | n/a | n/a | Yes | - |
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | - | Yes |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Blade Spark | T-Mobile REVVL V | Samsung Glyde U940 | Samsung SGH-X640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Blade Spark | T-Mobile REVVL V | Samsung Glyde U940 | Samsung SGH-X640 |
