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| Phone | AT&T Maestro 3 | Palm Treo 650 (CDMA) | CAT S61 | ZTE Blade Vantage |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
5.2" diag. 16 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 3,900 mAh | ? | 4,500 mAh | 2,500 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | 312 MHz Intel XScale PXA270 | 2.2 GHz Qualcomm Snapdragon 630 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | 3 GB | ? | 4 GB | 2 GB |
| Storage | 32 GB | ? raw hardware | 64 GB | 16 GB |
| Main Camera | 13 megapixel | Yes | 16 megapixel | 8 megapixel |
| Wide Camera | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | QVGA (320 x 240) | 4K UHD | 720p HD |
| Front Camera | 5 megapixel | - | 8 megapixel | 2 megapixel |
| Weight |
6.24 oz (177g) |
6.3 oz (179g) |
9.03 oz (256g) |
5.29 oz (150g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
5.91" x 2.99" x 0.51" (150 x 76 x 13 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
| Platform / OS | Android | Palm OS | Android | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 13 |
| Data Technology | LTE (Cat 4) | 1xRTT | LTE (Cat 13) | LTE (Cat 4) |
| Features | ||||
| Barometer | Yes | - | Yes | - |
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | 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 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | - | Yes * | - |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| AT&T Maestro 3 | Palm Treo 650 (CDMA) | CAT S61 | ZTE Blade Vantage | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Palm Treo 650 (CDMA) | CAT S61 | ZTE Blade Vantage |
