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| Phone | ZTE Speed | Ericsson R520 | Apple iPhone 3G | Nokia N78 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
3.5" diag. 5 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
? |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 2,000 mAh | ? | ? | 1,200 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | ? | ? | 369 MHz ARM 11 |
| RAM | 1 GB | ? | ? | ? |
| Storage | 8 GB | ? raw hardware | 16 GB * | ? raw hardware |
| Main Camera | 5 megapixel | - | 2 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | - | - | VGA (640 x 480) |
| Front Camera | 2 megapixel | - | - | - |
| Weight |
4.8 oz (136g) |
4.23 oz (120g) |
4.7 oz (133g) |
3.59 oz (102g) |
| Dimensions |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.52" x 2.44" x 0.49" (115 x 62 x 12.4 mm) |
4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | iOS | S60 (Symbian) |
| Network Bands |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | GPRS | HSDPA 3.6 | HSDPA 3.6 |
| Features | ||||
| GPS / Location | n/a | - | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil 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 |
| USB |
Yes Micro-USB |
- | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 802.11 b,g |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | - | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | - | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | 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 |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | - | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| FM Transmitter | n/a | - | n/a | n/a |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | n/a | - | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | Yes |
| Video Calling | n/a | - | n/a | n/a |
| 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 | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Speed | Ericsson R520 | Apple iPhone 3G | Nokia N78 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Speed | Ericsson R520 | Apple iPhone 3G | Nokia N78 |
