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| Phone | Siemens CF75 | Samsung DoubleTime | Motorola ROKR E2 | BLU Vivo XI |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.2" diag. 5 : 3 |
? |
5.9" diag. 19 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1520 pixels (~285 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 600 mAh | 1,200 mAh | ? | 3,000 mAh |
| Processor | ? | 600 MHz Qualcomm | ? | 2 GHz MediaTek Helio P22 |
| RAM | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | Yes | 3 megapixel | 1 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | ? | 1080p HD |
| Front Camera | - | - | - | 16 megapixel |
| Weight |
3.17 oz (90g) |
5.22 oz (148g) |
3.77 oz (107g) |
6.6 oz (187g) |
| Dimensions |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
4.17" x 1.95" x 0.71" (106 x 50 x 18 mm) |
5.89" x 2.87" x 0.31" (150 x 73 x 7.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | HSPA 7.2 | EDGE | LTE (Cat 6) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | - | n/a | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes |
| Infrared (IR) | Yes | - | - | - |
| Mobile Hotspot | - | n/a | - | n/a |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | - | n/a | Yes | n/a |
| Ringer ID | - | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | Yes | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a |
| Voice | ||||
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Siemens CF75 | Samsung DoubleTime | Motorola ROKR E2 | BLU Vivo XI | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CF75 | Samsung DoubleTime | Motorola ROKR E2 | BLU Vivo XI |
