Compare Phones
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| Phone | Samsung SPH-A660 / VI660 | ZTE Z998 / Unico LTE | Apple iPhone 4 (GSM) | Apple iPhone Xr |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
6.1" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (Color) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
828 x 1792 pixels (~324 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | ? | 2,070 mAh | ? | 2,942 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | Apple A4 | Apple A12 Bionic |
| RAM | ? | 1 GB | ? | 3 GB |
| Storage | ? raw hardware | 4 GB | 32 GB * | 64 GB * |
| Main Camera | - | 5 megapixel | 5 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | 720p HD | 4K UHD |
| Front Camera | - | 1 megapixel | Yes | 7 megapixel |
| Weight |
3.54 oz (100g) |
4.8 oz (136g) |
4.8 oz (136g) |
6.84 oz (194g) |
| Dimensions |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
5.94" x 2.98" x 0.33" (151 x 76 x 8.4 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | iOS | iOS |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 29, 30, 32, 34, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | HSPA 7.2 | LTE (Cat 9) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a |
| NFC | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes | Yes |
| 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 | 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 |
| Dual-SIM | - | - | - | Yes |
| 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 | - | - |
| 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 | - | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | 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 |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SPH-A660 / VI660 | ZTE Z998 / Unico LTE | Apple iPhone 4 (GSM) | Apple iPhone Xr | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-A660 / VI660 | ZTE Z998 / Unico LTE | Apple iPhone 4 (GSM) | Apple iPhone Xr |
