Compare Phones
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| Phone | Motorola EM330 / EM28 | Ericsson R520 | Samsung Sidekick 4G | Motorola T720 / T721 (GSM) | Nokia 8890 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
? |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
? |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 940 mAh | ? | ? | ? | ? |
| Processor | ? | ? | 1 GHz Samsung Hummingbird Cortex A8 | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 3 megapixel | - | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | WVGA / 480p | - | - |
| Front Camera | - | - | Yes | - | - |
| Weight |
3.17 oz (90g) |
4.23 oz (120g) |
5.7 oz (162g) |
3.56 oz (101g) |
3.21 oz (91g) |
| Dimensions |
3.71" x 1.95" x 0.68" (94 x 50 x 17.4 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
3.94" x 1.73" x 0.71" (100 x 44 x 18 mm) |
| Form Factor | Clamshell | Slab | Slide | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
GSM: 900, 1900 |
| Data Technology | EDGE | GPRS | HSPA+ 21 | GPRS | - |
| Features | |||||
| GPS / Location | - | - | n/a | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | - | - |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - | - |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes HSP, Sync, OPP, DUN |
Yes Classic Audio |
- | - |
| Infrared (IR) | - | Yes | - | - | Yes |
| Mobile Hotspot | - | - | n/a | - | - |
| USB |
Yes Mini-USB |
- |
Yes Micro-USB |
- | - |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | - | - | n/a | - | - |
| Ringer ID | - | - | n/a | Yes | - |
| Voice Dialing | - | Yes | n/a | Yes | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | Yes | - | n/a | Yes | - |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | - | n/a | - | - |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | Yes | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes | - |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | - |
| Messaging | |||||
| Email Client | - | - | n/a | Yes | - |
| EMS / Picture Messaging | Yes | - | n/a | Yes | - |
| Instant Messaging | - | - | n/a | - | - |
| MMS | Yes | - | n/a | - | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | - |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | Yes | - | n/a | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| Voice Memo | - | Yes | n/a | Yes | - |
| Software | |||||
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | - | n/a | Yes | - |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - | - |
| Motorola EM330 / EM28 | Ericsson R520 | Samsung Sidekick 4G | Motorola T720 / T721 (GSM) | Nokia 8890 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola EM330 / EM28 | Ericsson R520 | Samsung Sidekick 4G | Motorola T720 / T721 (GSM) | Nokia 8890 |
