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| Phone | Samsung SGH-X640 | HTC EVO Design 4G / Hero S (CDMA) | Samsung Galaxy Reverb | Apple iPhone X | Coolpad Defiant |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 16 : 9 |
4" diag. 5 : 3 |
5.8" diag. 19.5 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
540 x 960 pixels (~275 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1125 x 2436 pixels (~463 ppi) AMOLED |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 800 mAh | 1,520 mAh | 1,700 mAh | 2,716 mAh | 2,450 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon S2 MSM8655 | 1.4 GHz Qualcomm S2 MSM8655 | Apple A11 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | ? | 768 MB | 768 MB | 3 GB | 1 GB |
| Storage | ? raw hardware | 4 GB | 4 GB | 64 GB * | 8 GB |
| Main Camera | Yes | 5 megapixel | 5 megapixel | 12 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | Yes | - |
| Video Capture | - | 720p HD | WVGA / 480p | 4K UHD | 720p HD |
| Front Camera | - | 1 megapixel | 1 megapixel | 7 megapixel | 2 megapixel |
| Weight |
3 oz (85g) |
5.22 oz (148g) |
4.54 oz (129g) |
6.14 oz (174g) |
6.5 oz (184g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm) |
4.82" x 2.53" x 0.44" (122 x 64 x 11.3 mm) |
5.65" x 2.79" x 0.3" (144 x 71 x 7.6 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | iOS | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | WiMAX | EVDO rA | LTE (Cat 9) | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Flashlight | - | Yes | - | Yes | Yes |
| GPS / Location | - | n/a | n/a | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX7 (snorkeling) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible | - | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| WAP / Web Browser | Yes | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | HTC EVO Design 4G / Hero S (CDMA) | Samsung Galaxy Reverb | Apple iPhone X | Coolpad Defiant | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | HTC EVO Design 4G / Hero S (CDMA) | Samsung Galaxy Reverb | Apple iPhone X | Coolpad Defiant |
