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| Phone | Samsung Nexus S 4G | Apple iPhone 4 (GSM) | Samsung Knack U310 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.5" diag. 5 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) AMOLED |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? |
| Battery | 1,500 mAh | ? | 1,000 mAh |
| Processor | 1 GHz Samsung Hummingbird Cortex A8 | Apple A4 | ? |
| RAM | ? | ? | ? |
| Storage | 16 GB | 32 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | WVGA / 480p | 720p HD | - |
| Front Camera | Yes | Yes | - |
| Weight |
4.62 oz (131g) |
4.8 oz (136g) |
3.63 oz (103g) |
| Dimensions |
4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Android | iOS | (proprietary) |
| Network Bands |
4G WiMAX: 41 CDMA: 850, 1900 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | WiMAX | HSPA 7.2 | - |
| Features | |||
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | - |
| NFC | Yes | - | - |
| USB |
Yes Micro-USB |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | - |
| Ringer ID | n/a | n/a | - |
| Voice Dialing | n/a | n/a | Yes |
| Customization | |||
| Custom Graphics | n/a | n/a | - |
| Custom Ringtones | n/a | n/a | - |
| Real-Music Ringers | n/a | n/a | - |
| Data & Network | |||
| Data Tethering | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | - |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Messaging | |||
| Email Client | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | - |
| MMS | n/a | n/a | - |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | n/a | n/a | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | - |
| Software | |||
| Games | n/a | n/a | - |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Nexus S 4G | Apple iPhone 4 (GSM) | Samsung Knack U310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Nexus S 4G | Apple iPhone 4 (GSM) | Samsung Knack U310 |
