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| Phone | ZTE Z431 / Altair | HP iPAQ hw6510 / hw6515 | LG V VX-9800 | Samsung Glyde U940 | Apple iPhone 4 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? | ? |
2.8" diag. 16.5 : 9 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (TFT/TFD) |
320 x 256 pixels LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,200 mAh | 1,300 mAh | 1,000 mAh | ? |
| Processor | ? | 312 MHz Intel XScale PXA272 | ? | ? | Apple A4 |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * |
| Main Camera | 2 megapixel | 1 megapixel | 1 megapixel | 2 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | QVGA (320 x 240) | QVGA (320 x 240) | 720p HD |
| Front Camera | - | - | - | - | Yes |
| Weight |
3.52 oz (100g) |
5.8 oz (164g) |
5.19 oz (147g) |
4.2 oz (119g) |
4.8 oz (136g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.65" x 2.8" x 0.71" (118 x 71 x 18 mm) |
4.57" x 1.97" x 1" (116 x 50 x 25.4 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Form Factor | Slab | Slab | Clamshell | Slide | Slab |
| Platform / OS | (proprietary) | Windows Mobile Professional | (proprietary) | (proprietary) | iOS |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | ? | EDGE | EVDO r0 | EVDO r0 | HSPA 7.2 |
| Features | |||||
| GPS / Location | Yes | 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 M3 (mostly compatible) |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | Yes | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | n/a | - | - | n/a |
| USB |
Yes Micro-USB |
Yes | Yes | Yes | Yes |
| Wi-Fi | - | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | Yes | n/a |
| Voice Dialing | - | n/a | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | n/a |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | Yes | Yes | - |
| Touch Screen | - | Yes | - | Yes |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | - | - | n/a |
| EMS / Picture Messaging | - | n/a | Yes | - | n/a |
| MMS | Yes | n/a | Yes | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | - | Yes |
| Music Player | Yes | n/a | Yes | Yes | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | n/a |
| Calculator | Yes | n/a | Yes | Yes | n/a |
| Calendar | Yes | n/a | Yes | Yes | n/a |
| To-Do List | - | n/a | - | - | n/a |
| Voice Memo | Yes | n/a | Yes | - | n/a |
| Software | |||||
| BREW | Yes | n/a | Yes | Yes | n/a |
| Games | Yes | n/a | Yes | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | Yes | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z431 / Altair | HP iPAQ hw6510 / hw6515 | LG V VX-9800 | Samsung Glyde U940 | Apple iPhone 4 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | HP iPAQ hw6510 / hw6515 | LG V VX-9800 | Samsung Glyde U940 | Apple iPhone 4 (GSM) |
