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| Phone | Samsung SGH-A657 | Nokia 6255i / 6256i | Samsung Galaxy S6 (GSM) | Sony Xperia XZ2 | ZTE Concord II |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
5.1" diag. 16 : 9 |
5.7" diag. 18 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
1080 x 2160 pixels (~424 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,420 mAh | 1,070 mAh | 2,550 mAh | 3,180 mAh | 1,820 mAh |
| Processor | ? | ? | 2.1 GHz Samsung Exynos 7420 | Qualcomm Snapdragon 845 | 1.2 GHz Qualcomm MSM8210 |
| RAM | ? | ? | 3 GB | 4 GB | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB * | 64 GB | 4 GB |
| Main Camera | - | Yes | 16 megapixel | 19 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | 4K UHD | 4K UHD | 720p HD |
| Front Camera | - | - | 5 megapixel | 5 megapixel | - |
| Weight |
4.34 oz (123g) |
4.23 oz (120g) |
4.87 oz (138g) |
6.98 oz (198g) |
4.4 oz (125g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
6.02" x 2.83" x 0.44" (153 x 72 x 11.1 mm) |
4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | 1xRTT | LTE (Cat 6) | LTE (Cat 18) | HSPA+ 21 |
| Features | |||||
| Fingerprint Reader | - | - | Yes |
Yes stand-alone |
- |
| Flashlight | Yes | - | Yes | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a | n/a |
| Ruggedized | Yes | - | - | - | - |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - | - |
Yes IPX5 (direct spray) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | Yes | - | - |
| MirrorLink | - | - | Yes | - | - |
| Mobile Hotspot | - | - | n/a | n/a | n/a |
| NFC | - | - | Yes | Yes | - |
| USB | Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a | n/a |
| Voice Dialing | - | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a | n/a |
| Real-Music Ringers | Yes | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | Yes | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | Yes | n/a | n/a | n/a |
| EMS / Picture Messaging | - | Yes * | n/a | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | Yes | Yes * | n/a | n/a | n/a |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | Yes | - |
| Miracast | - | - | Yes | Yes | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Wireless Charging | - | - | Yes | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a | n/a |
| To-Do List | Yes | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a | n/a |
| Software | |||||
| BREW | - | Yes * | n/a | n/a | n/a |
| Games | Yes | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | Yes * | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | Yes | Yes |
| Headset Jack (2.5 mm) | - | Yes | n/a | n/a | n/a |
| Push-To-Talk | Yes | - | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-A657 | Nokia 6255i / 6256i | Samsung Galaxy S6 (GSM) | Sony Xperia XZ2 | ZTE Concord II | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | Nokia 6255i / 6256i | Samsung Galaxy S6 (GSM) | Sony Xperia XZ2 | ZTE Concord II |
