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| Phone | Samsung SGH-X640 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Sony Ericsson Xperia X10 mini (2010) | Apple iPhone 11 Pro | Sony Ericsson T68i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
2.6" diag. 4 : 3 |
5.8" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~157 ppi) LCD (TFT/TFD) |
1125 x 2436 pixels (~463 ppi) AMOLED |
101 x 80 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 800 mAh | 2,600 mAh | ? | 3,190 mAh | 700 mAh |
| Processor | ? | 1.4 GHz Samsung Exynos 7570 | 600 MHz Qualcomm S1 MSM7227 | Apple A13 Bionic | ? |
| RAM | ? | 2 GB | ? | 4 GB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 64 GB * | ? raw hardware |
| Main Camera | Yes | 8 megapixel | 5 megapixel | 12 megapixel | - |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 12 megapixel | - |
| Video Capture | - | 1080p HD | VGA (640 x 480) | 4K UHD | - |
| Front Camera | - | 5 megapixel | - | 12 megapixel | - |
| Weight |
3 oz (85g) |
5.43 oz (154g) |
3.11 oz (88g) |
6.63 oz (188g) |
2.96 oz (84g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm) |
5.67" x 2.81" x 0.32" (144 x 71 x 8.1 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | iOS | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
||
| Data Technology | GPRS | LTE (Cat 4) | HSPA 7.2 | LTE (Cat 18) | GPRS |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | - | n/a | n/a | n/a | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | - | Yes | - |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | - | - | Yes |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes | - |
| UWB | - | - | - | Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | Yes |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | Yes | n/a | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | - | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung SGH-X640 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Sony Ericsson Xperia X10 mini (2010) | Apple iPhone 11 Pro | Sony Ericsson T68i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Sony Ericsson Xperia X10 mini (2010) | Apple iPhone 11 Pro | Sony Ericsson T68i |
