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| Phone | T-Mobile REVVL V | Samsung SPH-A660 / VI660 | Microsoft Surface Duo 2 | BLU Life One X2 Mini |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
8.3" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (Color) |
2688 x 1892 pixels (~396 ppi) AMOLED |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 90 Hz | 60 Hz |
| Battery | 4,000 mAh | ? | 4,449 mAh | 3,000 mAh |
| Processor | 2 GHz MediaTek Helio G25 (MT6762V) | ? | Qualcomm Snapdragon 888 | 1.4 GHz Qualcomm Snapdragon 430 (MSM8937) |
| RAM | 3 GB | ? | 8 GB | 4 GB |
| Storage | 32 GB | ? raw hardware | 128 GB * | 64 GB |
| Main Camera | 13 megapixel | - | 12 megapixel | 13 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | 1080p HD | - | 4K UHD | 1080p HD |
| Front Camera | 5 megapixel | - | 12 megapixel | 8 megapixel |
| Weight |
6.45 oz (183g) |
3.54 oz (100g) |
10.02 oz (284g) |
5.25 oz (149g) |
| Dimensions |
6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
5.5" x 2.7" x 0.3" (140 x 69 x 7.6 mm) |
| Form Factor | Slab | Clamshell | Unique | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | 1xRTT | NR (5G) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- |
Yes stand-alone |
Yes stand-alone |
| Flashlight | Yes | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| NFC | - | - | Yes | - |
| USB |
Yes USB Type C |
- |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
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 | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| Dual-SIM | - | - | Yes | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Music | ||||
| FM Radio | Yes | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | Yes | - | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes |
| T-Mobile REVVL V | Samsung SPH-A660 / VI660 | Microsoft Surface Duo 2 | BLU Life One X2 Mini | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | T-Mobile REVVL V | Samsung SPH-A660 / VI660 | Microsoft Surface Duo 2 | BLU Life One X2 Mini |
