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| Phone | Sony Ericsson T310 | Microsoft Surface Duo 2 | Samsung SCH-A990 | ZTE Aspect | Asus ZenFone 4 Max 5.5" |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
8.3" diag. 4 : 3 |
? |
2.4" diag. 4 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
101 x 80 pixels LCD (STN) |
2688 x 1892 pixels (~396 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 90 Hz | ? | ? | 60 Hz |
| Battery | ? | 4,449 mAh | 1,000 mAh | 1,000 mAh | 5,000 mAh |
| Processor | ? | Qualcomm Snapdragon 888 | ? | 230 MHz Qualcomm QSC6270 | 1.4 GHz Qualcomm Snapdragon 430 (MSM8937) |
| RAM | ? | 8 GB | ? | 128 MB | 3 GB |
| Storage | ? raw hardware | 128 GB * | ? raw hardware | 256 MB | 32 GB |
| Main Camera | - | 12 megapixel | 3 megapixel | 2 megapixel | 13 megapixel |
| Wide Camera | - | 16 megapixel | - | - | Yes |
| Tele Camera | - | 12 megapixel | - | - | - |
| Video Capture | - | 4K UHD | ? | QVGA (320 x 240) | 1080p HD |
| Front Camera | - | 12 megapixel | - | - | 8 megapixel |
| Weight |
3.42 oz (97g) |
10.02 oz (284g) |
4.4 oz (125g) |
3.7 oz (105g) |
6.38 oz (181g) |
| Dimensions |
4.09" x 1.93" x 0.75" (104 x 49 x 19.1 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm) |
6.06" x 3.03" x 0.35" (154 x 77 x 8.9 mm) |
| Form Factor | Slab | Unique | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 17, 26, 28, 38, 41 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | NR (5G) | EVDO r0 | WCDMA (UMTS) | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
Yes stand-alone |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | Yes | n/a | Yes | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - | - |
| NFC | - | Yes | - | - | - |
| USB | Yes |
Yes USB Type C |
Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | Yes | n/a |
| Voice Dialing | - | n/a | Yes | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | Yes | n/a |
| Real-Music Ringers | - | n/a | Yes | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | - | n/a |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | - | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | Yes | - | n/a |
| MMS | Yes | n/a | Yes | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | - | n/a | Yes | Yes | n/a |
| Stereo Speakers | - | Yes | Yes | - | - |
| Photo & Video | |||||
| Miracast | - | Yes | - | - | Yes |
| TV Output | - | Yes | Yes | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | n/a |
| Calculator | Yes | n/a | Yes | Yes | n/a |
| Calendar | Yes | n/a | Yes | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | Yes | n/a |
| Software | |||||
| BREW | - | n/a | Yes | - | n/a |
| Games | Yes | n/a | Yes | Yes | n/a |
| Java (J2ME) | - | n/a | - | Yes | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| Sony Ericsson T310 | Microsoft Surface Duo 2 | Samsung SCH-A990 | ZTE Aspect | Asus ZenFone 4 Max 5.5" | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson T310 | Microsoft Surface Duo 2 | Samsung SCH-A990 | ZTE Aspect | Asus ZenFone 4 Max 5.5" |
