Compare Phones
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| Phone | Samsung SGH-X640 | Sony Ericsson T68i | ZTE Warp Elite | Ericsson T39 | Nuu F4L |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
5.5" diag. 16 : 9 |
? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
240 x 320 pixels (~143 ppi) LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 700 mAh | 3,000 mAh | ? | 1,350 mAh |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) | ? | 1.1 GHz MediaTek MT6731 |
| RAM | ? | ? | 2 GB | ? | 512 MB |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware | 4 GB |
| Main Camera | Yes | - | 13 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 1080p HD | - | 720p HD |
| Front Camera | - | - | 5 megapixel | - | Yes |
| Weight |
3 oz (85g) |
2.96 oz (84g) |
5.31 oz (151g) |
3.03 oz (86g) |
4.5 oz (128g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
6.23" x 3.06" x 0.33" (158 x 78 x 8.4 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
4.31" x 2.27" x 0.83" (109 x 58 x 21 mm) |
| Form Factor | Clamshell | Slab | Slab | Flip | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41 CDMA: 800, 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 2, 4, 5 GSM: 850, 1900 |
| Data Technology | GPRS | GPRS | LTE (Cat 4) | GPRS | LTE (Cat 4) |
| Features | |||||
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | - | n/a | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | - | Yes |
| Hearing Aid Compatible | - | - | Yes | - | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes HSP, DUN, OPP, Sync |
Yes |
| Infrared (IR) | - | Yes | - | Yes | - |
| Mobile Hotspot | - | - | n/a | - | - |
| USB | - | - |
Yes Micro-USB |
- |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | - | Yes |
| Ringer ID | Yes | Yes | n/a | - | Yes |
| Voice Dialing | - | Yes | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | - |
| Real-Music Ringers | - | - | n/a | - | - |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | Yes | - |
| 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 | Yes |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | 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 | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | - | - | n/a | - | Yes |
| Power | |||||
| Fast Charging | - | - | 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 | Yes | n/a | - | - |
| Voice Memo | Yes | Yes | n/a | Yes | Yes |
| Software | |||||
| Games | Yes | Yes | n/a | Yes | - |
| Java (J2ME) | Yes | - | n/a | - | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | - | - |
| Speaker Phone | Yes | - | Yes | - | Yes |
| Samsung SGH-X640 | Sony Ericsson T68i | ZTE Warp Elite | Ericsson T39 | Nuu F4L | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Sony Ericsson T68i | ZTE Warp Elite | Ericsson T39 | Nuu F4L |
