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| Phone | Samsung Galaxy S II, Epic 4G Touch | Samsung SGH-X640 | Cal-Comp EZ | Google Pixel 3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
? | ? |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~206 ppi) AMOLED |
128 x 160 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
1080 x 2160 pixels (~439 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 1,800 mAh | 800 mAh | 800 mAh | 2,915 mAh |
| Processor | 1.2 GHz Samsung Exynos C210 dual-core | ? | ? | 2.5 GHz Qualcomm Snapdragon 845 |
| RAM | ? | ? | ? | 4 GB |
| Storage | 16 GB | ? raw hardware | ? raw hardware | 64 GB * |
| Main Camera | 8 megapixel | Yes | - | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | - | - | 4K UHD |
| Front Camera | 2 megapixel | - | - | 8 megapixel |
| Weight |
4.55 oz (129g) |
3 oz (85g) |
2.47 oz (70g) |
5.22 oz (148g) |
| Dimensions |
5.1" x 2.7" x 0.38" (130 x 69 x 9.6 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.73" x 2.69" x 0.31" (146 x 68 x 7.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
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 |
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| Data Technology | WiMAX | GPRS | 1xRTT | LTE (Cat 16) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | - | Yes | n/a |
| VR-ready | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| Mobile Hotspot | n/a | - | - | n/a |
| NFC | - | - | - | Yes |
| USB |
Yes Micro-USB |
- |
Yes Mini-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | - | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | - | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | - | n/a |
| Custom Ringtones | n/a | Yes | - | n/a |
| Real-Music Ringers | n/a | - | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | - | n/a |
| WAP / Web Browser | n/a | Yes | - | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | - | n/a |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | Yes | - | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | - | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | - | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | Yes * | n/a |
| Software | ||||
| Games | n/a | Yes | - | n/a |
| Java (J2ME) | n/a | Yes | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung Galaxy S II, Epic 4G Touch | Samsung SGH-X640 | Cal-Comp EZ | Google Pixel 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S II, Epic 4G Touch | Samsung SGH-X640 | Cal-Comp EZ | Google Pixel 3 |
