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| Phone | Samsung SGH-X640 | Motorola V878 | BLU G90 Pro | Motorola Sidekick Slide |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
6.5" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | ? | 5,000 mAh | ? |
| Processor | ? | ? | 2 GHz MediaTek Helio G90T | 225 MHz TI OMAP 850 |
| RAM | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | Yes | Yes | 48 megapixel | 1 megapixel |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 4K UHD | - |
| Front Camera | - | - | 32 megapixel | - |
| Weight |
3 oz (85g) |
2.82 oz (80g) |
7.58 oz (215g) |
5.3 oz (150g) |
| 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) |
6.38" x 3.03" x 0.4" (162 x 77 x 10.2 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS | LTE (Cat 6) | EDGE |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | Yes |
| Multiple Languages | Yes | Yes | n/a | - |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| USB | - | Yes |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | - | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | - |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | Yes |
| EMS / Picture Messaging | Yes | Yes | n/a | - |
| Instant Messaging | - | - | n/a | Yes |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | - | n/a | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | n/a | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | - |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | - |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SGH-X640 | Motorola V878 | BLU G90 Pro | Motorola Sidekick Slide | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola V878 | BLU G90 Pro | Motorola Sidekick Slide |
