Compare Phones
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| Phone | Samsung SGH-X640 | Samsung M520 | Pantech Ocean 2 | Amazon Fire | ZTE Groove |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.1" diag. 4 : 3 |
2.6" diag. 4 : 3 |
4.7" diag. 16 : 9 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | ? | 1,320 mAh | 2,400 mAh | 1,500 mAh |
| Processor | ? | ? | ? | 2.2 GHz Qualcomm Snapdragon 800 | 800 MHz Qualcomm MSM7627A |
| RAM | ? | ? | ? | 2 GB | 512 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * | 1 GB |
| Main Camera | Yes | 1 megapixel | 2 megapixel | 13 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | QVGA (320 x 240) | 1080p HD | 720p HD |
| Front Camera | - | - | - | 2 megapixel | Yes |
| Weight |
3 oz (85g) |
2.75 oz (78g) |
5.96 oz (169g) |
5.64 oz (160g) |
4.5 oz (128g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
4.63" x 2.28" x 0.83" (118 x 58 x 21.1 mm) |
5.5" x 2.6" x 0.35" (140 x 66 x 8.9 mm) |
4.67" x 2.46" x 0.55" (119 x 62 x 14 mm) |
| Form Factor | Clamshell | Slide | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | EVDO r0 | EVDO r0 | LTE (Cat 4) | EVDO rA |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | Yes | Yes | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | - | Yes | n/a |
| NFC | - | - | - | Yes | - |
| USB | - | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | - | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | - | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | - | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | - | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | - | Yes | Yes | n/a |
| EMS / Picture Messaging | Yes | - | - | - | n/a |
| Instant Messaging | - | - | Yes | - | n/a |
| MMS | Yes | - | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | Yes |
| Music Player | - | Yes | Yes | Yes | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | - | n/a |
| Voice Memo | Yes | Yes | Yes | Yes | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | - | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | - | - | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung M520 | Pantech Ocean 2 | Amazon Fire | ZTE Groove | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung M520 | Pantech Ocean 2 | Amazon Fire | ZTE Groove |
