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| Phone | Microsoft Surface Duo 2 | LG K31 / Phoenix 5 / Aristo 5 / Fortune 3 / Tribute Monarch / K8x / Risio 4 | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S II / SGH-i777 |
| Current U.S. Carriers | (none) | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
8.3" diag. 4 : 3 |
5.7" diag. 19 : 9 |
6.1" diag. 19.5 : 9 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
2688 x 1892 pixels (~396 ppi) AMOLED |
720 x 1520 pixels (~295 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | 90 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 4,449 mAh | 3,000 mAh | 3,000 mAh | 1,650 mAh |
| Processor | Qualcomm Snapdragon 888 | 2 GHz MediaTek Helio P22 (MT6762) | 2 GHz MediaTek Helio A22 (MT6761WB) | 1.2 GHz Samsung Exynos dual-core |
| RAM | 8 GB | 2 GB | 3 GB | ? |
| Storage | 128 GB * | 32 GB * | 64 GB | 16 GB |
| Main Camera | 12 megapixel | 13 megapixel | 8 megapixel | 8 megapixel |
| Wide Camera | 16 megapixel | 5 megapixel | - | - |
| Tele Camera | 12 megapixel | - | - | - |
| Video Capture | 4K UHD | 1080p HD | ? | 1080p HD |
| Front Camera | 12 megapixel | 5 megapixel | 5 megapixel | 2 megapixel |
| Weight |
10.02 oz (284g) |
5.1 oz (145g) |
5.64 oz (160g) |
4.3 oz (122g) |
| Dimensions |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
5.82" x 2.8" x 0.34" (148 x 71 x 8.6 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
| Platform / OS | Android | Android | Android | 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 |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5, 27 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | LTE (Cat 6) | LTE (Cat 4) | HSPA+ 21 |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
Yes * stand-alone |
- | - |
| Flashlight | Yes | Yes | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | Yes | - | - | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
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) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Data & Network | ||||
| Dual-SIM | Yes | - | - | - |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | Yes | - | - | - |
| TV Output | Yes | - | - | Yes |
| Power | ||||
| Fast Charging | Yes | - | Yes | - |
| Voice | ||||
| HD Voice | Yes | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Microsoft Surface Duo 2 | LG K31 / Phoenix 5 / Aristo 5 / Fortune 3 / Tribute Monarch / K8x / Risio 4 | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S II / SGH-i777 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Microsoft Surface Duo 2 | LG K31 / Phoenix 5 / Aristo 5 / Fortune 3 / Tribute Monarch / K8x / Risio 4 | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S II / SGH-i777 |
