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| Phone | Red Hydrogen One | Samsung Ace SPH-i325 | Kyocera Hydro Wave / Hydro Air | ZTE Blade Spark |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.7" diag. 16 : 9 |
2.3" diag. 4 : 3 |
5" diag. 16 : 9 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~174 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 4,510 mAh | 1,300 mAh | 2,300 mAh | 3,140 mAh |
| Processor | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | 416 MHz PXA270 | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | 6 GB | ? | 1 GB | 2 GB |
| Storage | 128 GB * | ? raw hardware | 8 GB | 16 GB |
| Main Camera | 12 megapixel | 1 megapixel | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | QVGA (320 x 240) | 1080p HD | 1080p HD |
| Front Camera | 8 megapixel | - | 2 megapixel | 5 megapixel |
| Weight |
9.63 oz (273g) |
3.9 oz (111g) |
5.11 oz (145g) |
6.12 oz (173g) |
| Dimensions |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm) |
5.66" x 2.85" x 0.42" (144 x 72 x 10.7 mm) |
6.14" x 3.06" x 0.38" (156 x 78 x 9.7 mm) |
| Platform / OS | Android | Windows Mobile Standard | Android | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
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| Data Technology | LTE (Cat 12) | EVDO r0 | LTE (Cat 4) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- | - |
Yes stand-alone |
| Flashlight | Yes | - | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX7 (snorkeling) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | Yes | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Stereo Speakers | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | Yes * | - |
| Voice | ||||
| HD Voice | Yes | - | Yes * | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Red Hydrogen One | Samsung Ace SPH-i325 | Kyocera Hydro Wave / Hydro Air | ZTE Blade Spark | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Red Hydrogen One | Samsung Ace SPH-i325 | Kyocera Hydro Wave / Hydro Air | ZTE Blade Spark |
