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| Phone | Nokia N81 | Samsung Vibrant (Galaxy S) | Samsung Finesse R810 | Apple iPhone 3GS |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
4" diag. 5 : 3 |
3.2" diag. 5 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
240 x 400 pixels (~146 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,050 mAh | 1,500 mAh | 1,000 mAh | ? |
| Processor | 369 MHz ARM 11 | 1 GHz Samsung Hummingbird Cortex A8 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | 8 GB * | 16 GB | ? raw hardware | 32 GB * |
| Main Camera | 2 megapixel | 5 megapixel | 2 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | 720p HD | ? | VGA (640 x 480) |
| Front Camera | - | - | - | - |
| Weight |
4.94 oz (140g) |
4.16 oz (118g) |
3.63 oz (103g) |
4.76 oz (135g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm) |
4.56" x 2.29" x 0.49" (116 x 58 x 12.4 mm) |
4.55" x 2.44" x 0.48" (116 x 62 x 12.3 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | S60 (Symbian) | Android | (proprietary) | iOS |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | HSPA 7.2 | EVDO r0 | HSPA 7.2 |
| Features | ||||
| GPS / Location | n/a | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
Yes | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | - | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Resistive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes * | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | Yes | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | n/a | Yes | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | - | - | Yes |
| Video Calling | n/a | n/a | - | n/a |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| BREW | n/a | n/a | Yes | n/a |
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | - | n/a |
| Voice | ||||
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia N81 | Samsung Vibrant (Galaxy S) | Samsung Finesse R810 | Apple iPhone 3GS | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Samsung Vibrant (Galaxy S) | Samsung Finesse R810 | Apple iPhone 3GS |
