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| Phone | Microsoft Surface Duo 2 | Samsung SCH-A990 | Samsung Sidekick 4G |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
8.3" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
2688 x 1892 pixels (~396 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | 90 Hz | ? | 60 Hz |
| Battery | 4,449 mAh | 1,000 mAh | ? |
| Processor | Qualcomm Snapdragon 888 | ? | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | 8 GB | ? | ? |
| Storage | 128 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | 16 megapixel | - | - |
| Tele Camera | 12 megapixel | - | - |
| Video Capture | 4K UHD | ? | WVGA / 480p |
| Front Camera | 12 megapixel | - | Yes |
| Weight |
10.02 oz (284g) |
4.4 oz (125g) |
5.7 oz (162g) |
| 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) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
| Form Factor | Unique | Clamshell | Slide |
| Platform / OS | Android | (proprietary) | Android |
| 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 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | EVDO r0 | HSPA+ 21 |
| Features | |||
| Fingerprint Reader |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | - |
| GPS / Location | n/a | 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 | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a |
| NFC | Yes | - | - |
| USB |
Yes USB Type C |
Yes |
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 | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| Dual-SIM | Yes | - | - |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | Yes |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | n/a | Yes | n/a |
| Stereo Speakers | Yes | Yes | - |
| Photo & Video | |||
| DLNA | - | - | Yes |
| Miracast | Yes | - | - |
| TV Output | Yes | Yes | - |
| Power | |||
| Fast Charging | Yes | - | - |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| BREW | n/a | Yes | n/a |
| Games | n/a | Yes | n/a |
| Voice | |||
| HD Voice | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| Microsoft Surface Duo 2 | Samsung SCH-A990 | Samsung Sidekick 4G | |
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 Sidekick 4G |
