Compare Phones
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| Phone | Samsung SGH-X640 | VK Mobile Kickflip | Samsung Galaxy S II Skyrocket | Nokia 8801 / 8800 | Nokia 6255i / 6256i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
4.5" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~207 ppi) AMOLED |
208 x 208 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | ? | 1,850 mAh | 600 mAh | 1,070 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 | ? | ? |
| RAM | ? | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 2 megapixel | 8 megapixel | Yes | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 1080p HD | QCIF (176 x 144) | ? |
| Front Camera | - | - | 2 megapixel | - | - |
| Weight |
3 oz (85g) |
4.47 oz (127g) |
4.71 oz (133g) |
4.82 oz (137g) |
4.23 oz (120g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.88" x 1.96" x 0.98" (99 x 50 x 24.9 mm) |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
4.21" x 1.77" x 0.63" (107 x 45 x 16 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
| Form Factor | Clamshell | Swivel | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | GPRS | EVDO r0 | LTE (Cat 3) | EDGE | 1xRTT |
| Features | |||||
| Flashlight | - | Yes | - | - | - |
| GPS / Location | - | Yes | n/a | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | Yes | - | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | - | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | - | - | Yes |
| Mobile Hotspot | - | - | n/a | - | - |
| NFC | - | - | Yes | - | - |
| USB | - | Yes |
Yes Micro-USB |
- | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | Yes | n/a | - | Yes |
| Voice Dialing | - | - | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | Yes | Yes |
| External Antenna Jack | - | Yes | n/a | - | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | Yes | Yes |
| EMS / Picture Messaging | Yes | - | n/a | - | Yes * |
| Instant Messaging | - | - | n/a | - | - |
| MMS | Yes | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | Yes | n/a | Yes | Yes * |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | Yes | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | Yes | - | n/a | Yes | Yes |
| Voice Memo | Yes | Yes | n/a | Yes | Yes |
| Software | |||||
| BREW | - | - | n/a | - | Yes * |
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | Yes | n/a | Yes | Yes * |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | VK Mobile Kickflip | Samsung Galaxy S II Skyrocket | Nokia 8801 / 8800 | Nokia 6255i / 6256i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | VK Mobile Kickflip | Samsung Galaxy S II Skyrocket | Nokia 8801 / 8800 | Nokia 6255i / 6256i |











