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| Phone | Asus Zenfone 8 | Sanyo Zio by Kyocera | Samsung SCH-A990 | Audiovox CDM-9900 | Samsung SGH-X640 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.9" diag. 20 : 9 |
3.5" diag. 5 : 3 |
? | ? | ? |
| Display Resolution & Type |
1080 x 2400 pixels (~446 ppi) AMOLED |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | 120 Hz | 60 Hz | ? | ? | ? |
| Battery | 4,000 mAh | 1,130 mAh | 1,000 mAh | ? | 800 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | Qualcomm S1 MSM7627 | ? | ? | ? |
| RAM | 8 GB | ? | ? | ? | ? |
| Storage | 128 GB * | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 64 megapixel | 3 megapixel | 3 megapixel | Yes | Yes |
| Wide Camera | 12 megapixel | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 8K | WVGA / 480p | ? | ? | - |
| Front Camera | 12 megapixel | - | - | - | - |
| Weight |
5.96 oz (169g) |
3.7 oz (105g) |
4.4 oz (125g) |
4.09 oz (116g) |
3 oz (85g) |
| Dimensions |
5.83" x 2.7" x 0.35" (148 x 69 x 8.9 mm) |
4.57" x 2.31" x 0.48" (116 x 59 x 12.2 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.66" x 1.89" x 0.95" (93 x 48 x 24.1 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell | Clamshell |
| Platform / OS | Android | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
| Data Technology | NR (5G) | EVDO rA | EVDO r0 | 1xRTT | GPRS |
| Features | |||||
| Fingerprint Reader |
Yes in-display (optical) |
- | - | - | - |
| Flashlight | Yes | - | Yes | - | - |
| GPS / Location | n/a | n/a | Yes | Yes | - |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - | - | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | - | - |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- | - |
| Multiple Languages | n/a | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | - |
| NFC | Yes | - | - | - | - |
| USB |
Yes USB Type C |
Yes | Yes | Yes | - |
| Wi-Fi |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 802.11 b,g |
- | - | - |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes | - |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | Yes | - |
| Dual-SIM | Yes | - | - | - | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | n/a | n/a | - | - | - |
| EMS / Picture Messaging | n/a | n/a | Yes | Yes | Yes |
| Instant Messaging | n/a | n/a | - | - | - |
| MMS | n/a | n/a | Yes | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes | Yes |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - | - |
| Music Player | n/a | n/a | Yes | - | - |
| Stereo Speakers | Yes | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes | Yes |
| To-Do List | n/a | n/a | - | Yes | Yes |
| Voice Memo | n/a | n/a | Yes | Yes | Yes |
| Software | |||||
| BREW | n/a | n/a | Yes | Yes | - |
| Games | n/a | n/a | Yes | Yes | Yes |
| Java (J2ME) | n/a | n/a | - | - | Yes |
| Voice | |||||
| HD Voice | Yes | - | - | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Asus Zenfone 8 | Sanyo Zio by Kyocera | Samsung SCH-A990 | Audiovox CDM-9900 | Samsung SGH-X640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Asus Zenfone 8 | Sanyo Zio by Kyocera | Samsung SCH-A990 | Audiovox CDM-9900 | Samsung SGH-X640 |
