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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | ZTE Z431 / Altair | HTC myTouch 4G Slide | LG Optimus G (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
3.7" diag. 5 : 3 |
4.7" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
768 x 1280 pixels (~318 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,490 mAh | 1,000 mAh | 1,520 mAh | 2,100 mAh |
| Processor | 400 MHz Intel XScale | ? | 1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core) | 1.5 GHz Qualcomm Snapdragon S4 Pro |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | Yes | 2 megapixel | 8 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QVGA (320 x 240) | 1080p HD | 1080p HD |
| Front Camera | - | - | Yes | 1 megapixel |
| Weight |
7.41 oz (210g) |
3.52 oz (100g) |
6.5 oz (184g) |
5.11 oz (145g) |
| Dimensions |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.8" x 2.4" x 0.52" (122 x 61 x 13.2 mm) |
5.19" x 2.71" x 0.33" (132 x 69 x 8.5 mm) |
| Form Factor | Slide | Slab | Slide | Slab |
| Platform / OS | Windows Mobile Professional | (proprietary) | Android | Android |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
| Data Technology | GPRS | ? | HSPA 14.4 | LTE (Cat 3) |
| Features | ||||
| GPS / Location | n/a | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | n/a | - | n/a | n/a |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | Yes | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,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 | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| 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 |
| Text Keyboard, Hardware | Yes | Yes | Yes | - |
| Touch Screen | Yes | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | n/a | Yes | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | Yes | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | - | 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 | - | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| BREW | n/a | Yes | n/a | n/a |
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | ZTE Z431 / Altair | HTC myTouch 4G Slide | LG Optimus G (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | ZTE Z431 / Altair | HTC myTouch 4G Slide | LG Optimus G (CDMA) |
