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| Phone | HTC HD7 / HD7S | ZTE Z221 | Samsung MM-A900 / SPH-A900 / Ace | Samsung Galaxy Note 4 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
2" diag. 4 : 3 |
? |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,230 mAh | 900 mAh | ? | 3,220 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S1 QSD8250 | ? | ? | 2.7 GHz Qualcomm Snapdragon 805 |
| RAM | ? | ? | ? | 3 GB |
| Storage | 16 GB | 142 MB | ? raw hardware | 32 GB |
| Main Camera | 5 megapixel | Yes | 1 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | QCIF (176 x 144) | ? | 4K UHD |
| Front Camera | - | - | - | 4 megapixel |
| Weight |
5.71 oz (162g) |
3.24 oz (92g) |
3.9 oz (111g) |
6.21 oz (176g) |
| Dimensions |
4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm) |
6.04" x 3.09" x 0.33" (154 x 79 x 8.5 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | Windows | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | HSPA 7.2 | HSDPA 3.6 | EVDO r0 | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | n/a |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| MirrorLink | - | - | - | Yes |
| Mobile Hotspot | n/a | - | - | n/a |
| NFC | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,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 | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | n/a |
| Instant Messaging | n/a | Yes | - | n/a |
| MMS | n/a | Yes | - | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | - | Yes | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | - | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| HTC HD7 / HD7S | ZTE Z221 | Samsung MM-A900 / SPH-A900 / Ace | Samsung Galaxy Note 4 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC HD7 / HD7S | ZTE Z221 | Samsung MM-A900 / SPH-A900 / Ace | Samsung Galaxy Note 4 (CDMA) |
