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| Phone | Nokia Lumia 635 (CDMA) | Samsung Galaxy S6 (GSM) | BlackBerry 7750 | ZTE Blade Z Max |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
5.1" diag. 16 : 9 |
? |
6" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
240 x 240 pixels LCD (Color) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,830 mAh | 2,550 mAh | ? | 4,080 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | 2.1 GHz Samsung Exynos 7420 | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) |
| RAM | 512 MB | 3 GB | ? | 2 GB |
| Storage | 8 GB | 32 GB * | ? raw hardware | 32 GB |
| Main Camera | 5 megapixel | 16 megapixel | - | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | 4K UHD | - | 1080p HD |
| Front Camera | - | 5 megapixel | - | 8 megapixel |
| Weight |
4.73 oz (134g) |
4.87 oz (138g) |
5.01 oz (142g) |
6.58 oz (186g) |
| Dimensions |
5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
| Platform / OS | Windows | Android | BlackBerry OS | Android |
| Network Bands |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | LTE (Cat 6) | 1xRTT | LTE (Cat 6) |
| Features | ||||
| Fingerprint Reader | - | Yes | - |
Yes stand-alone |
| Flashlight | - | Yes | - | Yes |
| VR-ready | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - |
| MirrorLink | - | Yes | - | - |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
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) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Music | ||||
| FM Radio | Yes | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | Yes |
| Wireless Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| Nokia Lumia 635 (CDMA) | Samsung Galaxy S6 (GSM) | BlackBerry 7750 | ZTE Blade Z Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 635 (CDMA) | Samsung Galaxy S6 (GSM) | BlackBerry 7750 | ZTE Blade Z Max |
