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| Phone | Samsung MM-A900 / SPH-A900 / Ace | Microsoft Surface Duo 2 | 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 |
240 x 320 pixels LCD (TFT/TFD) |
2688 x 1892 pixels (~396 ppi) AMOLED |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 90 Hz | 60 Hz |
| Battery | ? | 4,449 mAh | ? |
| Processor | ? | Qualcomm Snapdragon 888 | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | ? | 8 GB | ? |
| Storage | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 1 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | - | 16 megapixel | - |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | ? | 4K UHD | WVGA / 480p |
| Front Camera | - | 12 megapixel | Yes |
| Weight |
3.9 oz (111g) |
10.02 oz (284g) |
5.7 oz (162g) |
| Dimensions |
3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
| Form Factor | Clamshell | Unique | Slide |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 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 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | NR (5G) | HSPA+ 21 |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| GPS / Location | Yes | n/a | n/a |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | 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 |
Yes USB Type C |
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 | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a |
| Data & Network | |||
| Data Tethering | Yes | n/a | n/a |
| Dual-SIM | - | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes |
| Memory | |||
| Memory Card Slot | - | - | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| DLNA | - | - | Yes |
| Miracast | - | Yes | - |
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes |
| Samsung MM-A900 / SPH-A900 / Ace | Microsoft Surface Duo 2 | Samsung Sidekick 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung MM-A900 / SPH-A900 / Ace | Microsoft Surface Duo 2 | Samsung Sidekick 4G |
