Compare Phones
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| Phone | Samsung SGH-X640 | ZTE Concord II | LG AX-490 | Huawei W1 | Sony Ericsson K750 / W800 / D750 / W700 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | 4" diag. 5 : 3 | ? | 4" diag. 5 : 3 | ? | 
| Display Resolution & Type | 128 x 160 pixels LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 128 x 160 pixels LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 176 x 220 pixels LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | ? | ? | ? | 
| Battery | 800 mAh | 1,820 mAh | 1,100 mAh | 1,950 mAh | 900 mAh | 
| Processor | ? | 1.2 GHz Qualcomm MSM8210 | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 | ? | 
| RAM | ? | 1 GB | ? | 512 MB | ? | 
| Storage | ? raw hardware | 4 GB | ? raw hardware | 4 GB | ? raw hardware | 
| Main Camera | Yes | 5 megapixel | Yes | 5 megapixel | 2 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | - | 720p HD | - | 720p HD | ? | 
| Front Camera | - | - | - | Yes | - | 
| Weight | 3 oz (85g) | 4.4 oz (125g) | 3.79 oz (107g) | 4.41 oz (125g) | 3.49 oz (99g) | 
| Dimensions | 3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) | 4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) | 3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) | 4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm) | 3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm) | 
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slab | 
| Platform / OS | (proprietary) | Android | (proprietary) | Windows | (proprietary) | 
| Network Bands | GSM: 900, 1800, 1900 | WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1900 AMPS: 850 | WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 | GSM: 900, 1800, 1900 | 
| Data Technology | GPRS | HSPA+ 21 | 1xRTT | HSPA+ 21 | GPRS | 
| Features | |||||
| Flashlight | - | - | - | - | Yes | 
| GPS / Location | - | n/a | Yes | n/a | - | 
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | - | 
| Hearing Aid Compatible | - | Yes | Yes | Yes | - | 
| Multiple Languages | Yes | n/a | Yes | n/a | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes | 
| Alerts | |||||
| Extra Display | - | - | Yes | - | - | 
| Ringer Profiles | - | - | - | - | Yes | 
| Connectivity | |||||
| Bluetooth | - | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Infrared (IR) | - | - | - | - | Yes | 
| Mobile Hotspot | - | n/a | - | n/a | - | 
| USB | - | Yes Micro-USB | Yes | Yes Micro-USB | Yes | 
| Wi-Fi | - | Yes 4 (802.11 b,g,n) | - | Yes 4 (802.11 b,g,n) | - | 
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | Yes | 
| Ringer ID | Yes | n/a | Yes | n/a | Yes | 
| Voice Dialing | - | n/a | Yes | n/a | Yes | 
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | Yes | 
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes | 
| Real-Music Ringers | - | n/a | Yes | n/a | - | 
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | n/a | Yes | 
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes | 
| Input | |||||
| Predictive Text Entry | Yes | n/a | - | n/a | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | - | Yes | - | - | 
| Touch Screen | - | Yes | - | Yes | - | 
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes | 
| Messaging | |||||
| Email Client | - | n/a | - | n/a | Yes | 
| EMS / Picture Messaging | Yes | n/a | - | n/a | Yes | 
| Instant Messaging | - | n/a | - | n/a | - | 
| MMS | Yes | n/a | Yes | n/a | Yes | 
| Text Messaging Templates | Yes | n/a | Yes | n/a | Yes | 
| Music | |||||
| FM Radio | - | - | - | - | Yes | 
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - | 
| Music Player | - | n/a | - | n/a | Yes | 
| Stereo Speakers | - | - | Yes | - | - | 
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes | 
| Calculator | Yes | n/a | Yes | n/a | Yes | 
| Calendar | Yes | n/a | Yes | n/a | Yes | 
| To-Do List | Yes | n/a | - | n/a | Yes | 
| Voice Memo | Yes | n/a | Yes | n/a | Yes | 
| Software | |||||
| BREW | - | n/a | Yes | n/a | - | 
| Games | Yes | n/a | Yes | n/a | Yes | 
| Java (J2ME) | Yes | n/a | - | n/a | Yes | 
| Voice | |||||
| HD Voice | - | Yes | - | - | - | 
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| Samsung SGH-X640 | ZTE Concord II | LG AX-490 | Huawei W1 | Sony Ericsson K750 / W800 / D750 / W700 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Samsung SGH-X640 | ZTE Concord II | LG AX-490 | Huawei W1 | Sony Ericsson K750 / W800 / D750 / W700 | 
 







