Compare Phones
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| Phone | Samsung SGH-X640 | Motorola V878 | Nokia 6650 fold | Motorola Sidekick Slide | HP Elite x3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
? |
6" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~493 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | ? | 1,500 mAh | ? | 4,150 mAh |
| Processor | ? | ? | 369 MHz ARM 11 | 225 MHz TI OMAP 850 | 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) |
| RAM | ? | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB |
| Main Camera | Yes | Yes | 2 megapixel | 1 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | QVGA (320 x 240) | - | 4K UHD |
| Front Camera | - | - | - | - | 8 megapixel |
| Weight |
3 oz (85g) |
2.82 oz (80g) |
3.95 oz (112g) |
5.3 oz (150g) |
6.84 oz (194g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.23" x 1.65" x 0.85" (82 x 42 x 21.6 mm) |
3.93" x 1.86" x 0.64" (100 x 47 x 16.2 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
6.36" x 3.29" x 0.31" (162 x 84 x 7.9 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | S60 (Symbian) | (proprietary) | Windows |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 20, 29, 30 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | GPRS | HSDPA 3.6 | EDGE | LTE (Cat 6) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - | Yes |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | - | n/a | - | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | Yes | n/a |
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | - | n/a |
| TTY/TDD (Digital) | - | - | - | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | - |
| Ringer Profiles | - | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB | - | Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | Yes | n/a |
| Voice Dialing | - | Yes | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | - | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | - | n/a |
| Dual-SIM | - | - | - | - | Yes * |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | - | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | - | n/a |
| Instant Messaging | - | - | n/a | Yes | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | - | n/a | - | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | n/a | Yes | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| Miracast | - | - | - | - | Yes |
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | - | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | - | n/a | Yes | n/a |
| Voice Memo | Yes | Yes | n/a | - | n/a |
| Software | |||||
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes | n/a |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Motorola V878 | Nokia 6650 fold | Motorola Sidekick Slide | HP Elite x3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola V878 | Nokia 6650 fold | Motorola Sidekick Slide | HP Elite x3 |
