Compare Phones
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| Phone | Samsung SGH-X640 | Sony Ericsson T237 / T290a | Siemens SL55 | Nokia E70 | Sony Ericsson Xperia X10 mini (2010) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
101 x 80 pixels LCD (STN) |
352 x 416 pixels LCD (TFT/TFD) |
240 x 320 pixels (~157 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | ? | 500 mAh | 1,150 mAh | ? |
| Processor | ? | ? | ? | ? | 600 MHz Qualcomm S1 MSM7227 |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | - | 2 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | CIF (352 x 288) | VGA (640 x 480) |
| Front Camera | - | - | - | - | - |
| Weight |
3 oz (85g) |
2.79 oz (79g) |
2.79 oz (79g) |
4.48 oz (127g) |
3.11 oz (88g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4" x 1.71" x 0.71" (102 x 43 x 18 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
4.61" x 2.09" x 0.87" (117 x 53 x 22.1 mm) |
3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | S60 (Symbian) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
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| Data Technology | GPRS | GPRS | GPRS | EDGE | HSPA 7.2 |
| Features | |||||
| GPS / Location | - | - | - | n/a | n/a |
| Accessibility | |||||
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | - | - | Yes | Yes |
| Infrared (IR) | - | - | Yes | Yes | - |
| USB | - | Yes | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | Yes | n/a | n/a |
| Voice Dialing | - | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | - | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | - | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a | n/a |
| Instant Messaging | - | - | - | n/a | n/a |
| MMS | Yes | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | - | n/a | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | Yes | n/a | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | - | n/a | n/a |
| Push-To-Talk | - | - | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Sony Ericsson T237 / T290a | Siemens SL55 | Nokia E70 | Sony Ericsson Xperia X10 mini (2010) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sony Ericsson T237 / T290a | Siemens SL55 | Nokia E70 | Sony Ericsson Xperia X10 mini (2010) |
