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| Phone | Nokia 6155i | Samsung SCH-U550 | Samsung Vibrant (Galaxy S) | Samsung SGH-R225 / SGH-R225M |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.1" diag. 4 : 3 |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
128 x 64 pixels |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,070 mAh | 800 mAh | 1,500 mAh | ? |
| Processor | ? | ? | 1 GHz Samsung Hummingbird Cortex A8 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 1 megapixel | 1 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | sub-QCIF (128 x 96) | ? | 720p HD | - |
| Front Camera | - | - | - | - |
| Weight |
4.44 oz (126g) |
3.17 oz (90g) |
4.16 oz (118g) |
3.35 oz (95g) |
| Dimensions |
3.41" x 1.79" x 1.02" (87 x 45 x 25.9 mm) |
3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm) |
4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm) |
4.33" x 1.81" x 0.93" (110 x 46 x 23.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1900 |
| Data Technology | 1xRTT | EVDO r0 | HSPA 7.2 | - |
| Features | ||||
| GPS / Location | Yes | Yes | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | - | - |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | - | - | n/a | - |
| USB | Yes | - |
Yes Micro-USB |
- |
| Wi-Fi | - | - | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| EMS / Picture Messaging | - | Yes | n/a | - |
| Instant Messaging | - | - | n/a | - |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | Yes | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | - |
| Voice Memo | Yes | Yes | n/a | - |
| Software | ||||
| BREW | Yes * | Yes | n/a | - |
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes * | - | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | Yes |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Nokia 6155i | Samsung SCH-U550 | Samsung Vibrant (Galaxy S) | Samsung SGH-R225 / SGH-R225M | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia 6155i | Samsung SCH-U550 | Samsung Vibrant (Galaxy S) | Samsung SGH-R225 / SGH-R225M |
