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| Phone | ZTE Speed | Coolpad Legacy | Coolpad Defiant | TCL 20 XE | Samsung SGH-X640 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
6.4" diag. 18 : 9 |
5" diag. 16 : 9 |
6.5" diag. 20 : 9 |
? |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~380 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 2,000 mAh | 4,000 mAh | 2,450 mAh | 5,000 mAh | 800 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | 1.8 GHz Qualcomm Snapdragon 450 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 2 GHz MediaTek Helio P22 (MT6762) | ? |
| RAM | 1 GB | 3 GB | 1 GB | 3 GB | ? |
| Storage | 8 GB | 32 GB | 8 GB | 32 GB | ? raw hardware |
| Main Camera | 5 megapixel | 16 megapixel | 5 megapixel | 13 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 1080p HD | 720p HD | 1080p HD | - |
| Front Camera | 2 megapixel | 13 megapixel | 2 megapixel | 5 megapixel | - |
| Weight |
4.8 oz (136g) |
6.83 oz (194g) |
6.5 oz (184g) |
6.88 oz (195g) |
3 oz (85g) |
| Dimensions |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
6.54" x 3.15" x 0.33" (166 x 80 x 8.4 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
6.48" x 2.95" x 0.35" (165 x 75 x 8.9 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | Android | Android | Android | Android | (proprietary) |
| Network Bands |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | LTE (Cat 6) | LTE (Cat 4) | LTE (Cat 6) | GPRS |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | n/a | n/a | n/a | n/a | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | - |
| Multiple Languages | n/a | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Mobile Hotspot | n/a | n/a | n/a | n/a | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | n/a | - |
| Power | |||||
| Fast Charging | - | Yes | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | n/a | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | Yes | Yes * | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Speed | Coolpad Legacy | Coolpad Defiant | TCL 20 XE | Samsung SGH-X640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Speed | Coolpad Legacy | Coolpad Defiant | TCL 20 XE | Samsung SGH-X640 |
