Compare Phones
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| Phone | Samsung SGH-X640 | Nokia E90 | ZTE Prelude / Avail 2 | Motorola i580 |
| 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 |
128 x 160 pixels LCD (TFT/TFD) |
800 x 352 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 1,500 mAh | 1,500 mAh | ? |
| Processor | ? | 332 MHz ARM 11 | 1 GHz Qualcomm Snapdragon MSM7225A | ? |
| RAM | ? | ? | 512 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | Yes | 3 megapixel | 2 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | VGA (640 x 480) | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
7.41 oz (210g) |
4.4 oz (125g) |
4.9 oz (139g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.2" x 2.24" x 0.79" (132 x 57 x 20.1 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.68" x 2.2" x 1.2" (93 x 56 x 30.5 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | S60 (Symbian) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
iDEN: 800 |
| Data Technology | GPRS | HSDPA 3.6 | HSPA 7.2 | WiDEN |
| Features | ||||
| GPS / Location | - | n/a | n/a | Yes |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - |
| USB | - |
Yes Mini-USB |
Yes | - |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | n/a | n/a | Yes * |
| Photo & Video | ||||
| Video Calling | - | n/a | n/a | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | - |
| Calculator | Yes | n/a | n/a | Yes * |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Push-To-Talk | - | Yes * | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-X640 | Nokia E90 | ZTE Prelude / Avail 2 | Motorola i580 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia E90 | ZTE Prelude / Avail 2 | Motorola i580 |
