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| Phone | Samsung Galaxy Alpha | LG K20 / Harmony / Grace | Nokia 6555 | ZTE Blade X1 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.7" diag. 16 : 9 |
5.3" diag. 16 : 9 |
2" diag. 4 : 3 |
6.5" diag. 19.5 : 9 |
| Display Resolution & Type |
720 x 1280 pixels (~312 ppi) AMOLED |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,860 mAh | 2,800 mAh | 1,020 mAh | 4,000 mAh |
| Processor | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | 2.4 GHz Qualcomm Snapdragon 765G |
| RAM | 2 GB | 1.5 GB | ? | 6 GB |
| Storage | 32 GB | 16 GB | ? raw hardware | 128 GB |
| Main Camera | 12 megapixel | 8 megapixel | 1 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | 1080p HD | QCIF (176 x 144) | 4K UHD |
| Front Camera | 2 megapixel | 5 megapixel | - | 16 megapixel |
| Weight |
4.06 oz (115g) |
5 oz (142g) |
3.42 oz (97g) |
6.7 oz (190g) |
| Dimensions |
5.21" x 2.58" x 0.26" (132 x 66 x 6.7 mm) |
5.9" x 3" x 0.3" (150 x 76 x 7.6 mm) |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66 |
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| Data Technology | LTE (Cat 4) | LTE (Cat 4) | WCDMA (UMTS) | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | Yes | - | - |
Yes stand-alone |
| Flashlight | Yes | Yes | - | Yes |
| GPS / Location | n/a | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | Yes | Yes * | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | Yes | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | Yes | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | Yes | Yes | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a |
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy Alpha | LG K20 / Harmony / Grace | Nokia 6555 | ZTE Blade X1 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Alpha | LG K20 / Harmony / Grace | Nokia 6555 | ZTE Blade X1 5G |
