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| Phone | Samsung SGH-A657 | Samsung SGH-X820 | Nokia 7190 | Nokia N900 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
96 x 65 pixels |
800 x 480 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,420 mAh | 650 mAh | ? | 1,320 mAh |
| Processor | ? | ? | ? | 600 MHz TI OMAP 3430 (ARM Cortex-A8) |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | ? |
| Front Camera | - | - | - | - |
| Weight |
4.34 oz (123g) |
2.33 oz (66g) |
4.9 oz (139g) |
6.38 oz (181g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
4.92" x 2.09" x 0.95" (125 x 53 x 24.1 mm) |
4.36" x 2.35" x 0.69" (111 x 60 x 17.6 mm) |
| Form Factor | Slab | Slab | Slide | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 1900 |
WCDMA: 1, 4, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EDGE | - | HSPA 10.1 |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | Yes | - | - | Yes |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - | Yes |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | - | - |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | - |
| USB | Yes | Yes | - |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | Yes | - | Yes |
| Ringer ID | Yes | Yes | - | - |
| Voice Dialing | - | - | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | - | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | - | Yes | - |
| External Antenna Jack | - | Yes | - | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | - |
| Side Keys | Yes | Yes | - | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | Yes | Yes | - | Yes |
| EMS / Picture Messaging | - | Yes | - | - |
| Instant Messaging | Yes | - | - | Yes |
| MMS | Yes | Yes | - | - |
| Text Messaging Templates | Yes | Yes | - | - |
| Music | ||||
| FM Transmitter | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | - | - | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | Yes | - | Yes |
| Video Calling | - | - | - | Yes * |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | - |
| Voice Memo | Yes | Yes | - | - |
| Software | ||||
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | - | - |
| Voice | ||||
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung SGH-A657 | Samsung SGH-X820 | Nokia 7190 | Nokia N900 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | Samsung SGH-X820 | Nokia 7190 | Nokia N900 |
