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| Phone | Microsoft Surface Duo 2 | Samsung SCH-A990 | Samsung Continuum (Galaxy S) | TCL A30 / A3 | Sanyo RL-4920 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
8.3" diag. 4 : 3 |
? |
3.4" diag. 5 : 3 |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
2688 x 1892 pixels (~396 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~274 ppi) AMOLED |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
128 x 112 pixels LCD (Color) |
| Display Refresh | 90 Hz | ? | 60 Hz | ? | ? |
| Battery | 4,449 mAh | 1,000 mAh | 1,500 mAh | 3,000 mAh | 1,700 mAh |
| Processor | Qualcomm Snapdragon 888 | ? | 1 GHz Samsung Hummingbird Cortex A8 | 2 GHz MediaTek Helio P22 (MT6762V) | ? |
| RAM | 8 GB | ? | ? | 3 GB | ? |
| Storage | 128 GB * | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 12 megapixel | 3 megapixel | 5 megapixel | 8 megapixel | - |
| Wide Camera | 16 megapixel | - | - | - | - |
| Tele Camera | 12 megapixel | - | - | - | - |
| Video Capture | 4K UHD | ? | 720p HD | 1080p HD | - |
| Front Camera | 12 megapixel | - | - | 5 megapixel | - |
| Weight |
10.02 oz (284g) |
4.4 oz (125g) |
4.25 oz (120g) |
6.03 oz (171g) |
4.03 oz (114g) |
| Dimensions |
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) |
4.94" x 2.28" x 0.48" (125 x 58 x 12.2 mm) |
5.74" x 2.8" x 0.39" (146 x 71 x 9.9 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
| Form Factor | Unique | Clamshell | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
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 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | NR (5G) | EVDO r0 | EVDO rA | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Fingerprint Reader |
Yes stand-alone |
- | - | - | - |
| Flashlight | Yes | Yes | - | Yes | - |
| GPS / Location | n/a | Yes | n/a | n/a | Yes |
| Water-Resistant | - | - | - |
Yes IPX2 (drip) |
- |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | - | n/a | n/a | - |
| NFC | Yes | - | - | - | - |
| USB |
Yes USB Type C |
Yes | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | - |
| Dual-SIM | Yes | - | - | - | - |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | - |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | - |
| Instant Messaging | n/a | - | n/a | n/a | - |
| MMS | n/a | Yes | n/a | n/a | - |
| Text Messaging Templates | n/a | Yes | n/a | n/a | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | n/a | - |
| Stereo Speakers | Yes | Yes | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | Yes | - | - | - | - |
| TV Output | Yes | Yes | - | - | - |
| Power | |||||
| Fast Charging | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | Yes |
| Calculator | n/a | Yes | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| To-Do List | n/a | - | n/a | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | Yes | n/a | n/a | - |
| Games | n/a | Yes | n/a | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | n/a | Yes |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | Yes | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Microsoft Surface Duo 2 | Samsung SCH-A990 | Samsung Continuum (Galaxy S) | TCL A30 / A3 | Sanyo RL-4920 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Microsoft Surface Duo 2 | Samsung SCH-A990 | Samsung Continuum (Galaxy S) | TCL A30 / A3 | Sanyo RL-4920 |
