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| Phone | Samsung Wafer R510 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Coolpad Defiant | Samsung Glyde U940 | Asus ROG Phone II |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
5" diag. 16 : 9 |
5" diag. 16 : 9 |
2.8" diag. 16.5 : 9 |
6.6" diag. 19.5 : 9 |
| Display Resolution & Type |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~391 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 120 Hz |
| Battery | 800 mAh | 2,600 mAh | 2,450 mAh | 1,000 mAh | 6,000 mAh |
| Processor | ? | 1.4 GHz Samsung Exynos 7570 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | 3 GHz Qualcomm Snapdragon 855 Plus |
| RAM | ? | 2 GB | 1 GB | ? | 12 GB |
| Storage | ? raw hardware | 16 GB | 8 GB | ? raw hardware | 512 GB |
| Main Camera | 1 megapixel | 8 megapixel | 5 megapixel | 2 megapixel | 48 megapixel |
| Wide Camera | - | - | - | - | 13 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 1080p HD | 720p HD | QVGA (320 x 240) | 4K UHD |
| Front Camera | - | 5 megapixel | 2 megapixel | - | 24 megapixel |
| Weight |
2.47 oz (70g) |
5.43 oz (154g) |
6.5 oz (184g) |
4.2 oz (119g) |
8.47 oz (240g) |
| Dimensions |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
6.73" x 3.06" x 0.37" (171 x 78 x 9.5 mm) |
| Form Factor | Slab | Slab | Slab | Slide | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO r0 | LTE (Cat 4) | LTE (Cat 4) | EVDO r0 | LTE (Cat 20) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes in-display (optical) |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | Yes | n/a | n/a | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | - | n/a | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | - | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | Yes | n/a | n/a | Yes | n/a |
| Stereo Speakers | Yes | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | n/a | - | n/a |
| Software | |||||
| BREW | Yes | n/a | n/a | Yes | n/a |
| Games | Yes | n/a | n/a | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Wafer R510 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Coolpad Defiant | Samsung Glyde U940 | Asus ROG Phone II | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Wafer R510 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Coolpad Defiant | Samsung Glyde U940 | Asus ROG Phone II |
