Compare Phones
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| Phone | ZTE Z431 / Altair | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC myTouch 4G Slide |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
3.7" diag. 5 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,490 mAh | 1,520 mAh |
| Processor | ? | 400 MHz Intel XScale | 1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core) |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | Yes | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | QCIF (176 x 144) | 1080p HD |
| Front Camera | - | - | Yes |
| Weight |
3.52 oz (100g) |
7.41 oz (210g) |
6.5 oz (184g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
4.8" x 2.4" x 0.52" (122 x 61 x 13.2 mm) |
| Form Factor | Slab | Slide | Slide |
| Platform / OS | (proprietary) | Windows Mobile Professional | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | ? | GPRS | HSPA 14.4 |
| Features | |||
| 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 | - | - |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - |
| Mobile Hotspot | - | n/a | n/a |
| USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| Data Tethering | Yes | n/a | n/a |
| 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 | Yes | Yes |
| Touch Screen | - | Yes |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | Yes | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | Yes | n/a | n/a |
| Photo & Video | |||
| DLNA | - | - | Yes |
| TV Output | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | - | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| BREW | Yes | n/a | n/a |
| Games | Yes | n/a | n/a |
| Java (J2ME) | - | n/a | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| ZTE Z431 / Altair | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC myTouch 4G Slide | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC myTouch 4G Slide |
