Compare Phones
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| Phone | Samsung SGH-X640 | Sony Ericsson K750 / W800 / D750 / W700 | Samsung SGH-E640 | Samsung SGH-R225 / SGH-R225M | ZTE Flash |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
128 x 64 pixels |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 900 mAh | 800 mAh | ? | 1,780 mAh |
| Processor | ? | ? | ? | ? | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 |
| RAM | ? | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | Yes | 2 megapixel | 1 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | QCIF (176 x 144) | - | 1080p HD |
| Front Camera | - | - | - | - | 1 megapixel |
| Weight |
3 oz (85g) |
3.49 oz (99g) |
3.17 oz (90g) |
3.35 oz (95g) |
5.2 oz (147g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.33" x 1.81" x 0.93" (110 x 46 x 23.6 mm) |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
| Data Technology | GPRS | GPRS | GPRS | - | LTE (Cat 3) |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | - | - | - | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | - | n/a |
| Hearing Aid Compatible | - | - | - | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | - | - | - | n/a |
| NFC | - | - | - | - | Yes |
| USB | - | Yes | Yes | - |
Yes Micro-USB |
| Wi-Fi | - | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | - | n/a |
| Ringer ID | Yes | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | - | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | - | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | - | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | - | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | - | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | Yes | - | n/a |
| EMS / Picture Messaging | Yes | Yes | Yes | - | n/a |
| Instant Messaging | - | - | - | - | n/a |
| MMS | Yes | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | Yes | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | Yes | Yes | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | - | n/a |
| Voice Memo | Yes | Yes | Yes | - | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | Yes | - | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | - | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| Samsung SGH-X640 | Sony Ericsson K750 / W800 / D750 / W700 | Samsung SGH-E640 | Samsung SGH-R225 / SGH-R225M | ZTE Flash | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sony Ericsson K750 / W800 / D750 / W700 | Samsung SGH-E640 | Samsung SGH-R225 / SGH-R225M | ZTE Flash |
