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| Phone | Samsung M520 | Samsung Galaxy S6 (GSM) | Google Pixel 3 | Huawei W1 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
5.1" diag. 16 : 9 |
5.5" diag. 18 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
1080 x 2160 pixels (~439 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 2,550 mAh | 2,915 mAh | 1,950 mAh |
| Processor | ? | 2.1 GHz Samsung Exynos 7420 | 2.5 GHz Qualcomm Snapdragon 845 | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 |
| RAM | ? | 3 GB | 4 GB | 512 MB |
| Storage | ? raw hardware | 32 GB * | 64 GB * | 4 GB |
| Main Camera | 1 megapixel | 16 megapixel | 12 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 4K UHD | 4K UHD | 720p HD |
| Front Camera | - | 5 megapixel | 8 megapixel | Yes |
| Weight |
2.75 oz (78g) |
4.87 oz (138g) |
5.22 oz (148g) |
4.41 oz (125g) |
| Dimensions |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
5.73" x 2.69" x 0.31" (146 x 68 x 7.9 mm) |
4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Windows |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO r0 | LTE (Cat 6) | LTE (Cat 16) | HSPA+ 21 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | Yes |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a |
| VR-ready | - | Yes | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| MirrorLink | - | Yes | - | - |
| NFC | - | Yes | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,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 |
| Ringer ID | Yes | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | Yes | n/a | n/a | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | Yes | - |
| Wireless Charging | - | Yes | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| Games | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung M520 | Samsung Galaxy S6 (GSM) | Google Pixel 3 | Huawei W1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M520 | Samsung Galaxy S6 (GSM) | Google Pixel 3 | Huawei W1 |
