Compare Phones
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| Phone | LG K20 / Harmony / Grace | Samsung Galaxy Alpha | ZTE Blade X1 5G | Nokia 6555 | BlackBerry 6510 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.3" diag. 16 : 9 |
4.7" diag. 16 : 9 |
6.5" diag. 19.5 : 9 |
2" diag. 4 : 3 |
? |
| Display Resolution & Type |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) AMOLED |
1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
160 x 100 pixels |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | ? | ? |
| Battery | 2,800 mAh | 1,860 mAh | 4,000 mAh | 1,020 mAh | 900 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974-AC) | 2.4 GHz Qualcomm Snapdragon 765G | ? | ? |
| RAM | 1.5 GB | 2 GB | 6 GB | ? | ? |
| Storage | 16 GB | 32 GB | 128 GB | ? raw hardware | ? raw hardware |
| Main Camera | 8 megapixel | 12 megapixel | 48 megapixel | 1 megapixel | - |
| Wide Camera | - | - | 8 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | 4K UHD | 4K UHD | QCIF (176 x 144) | - |
| Front Camera | 5 megapixel | 2 megapixel | 16 megapixel | - | - |
| Weight |
5 oz (142g) |
4.06 oz (115g) |
6.7 oz (190g) |
3.42 oz (97g) |
5.64 oz (160g) |
| Dimensions |
5.9" x 3" x 0.3" (150 x 76 x 7.6 mm) |
5.21" x 2.58" x 0.26" (132 x 66 x 6.7 mm) |
6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm) |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
4.53" x 2.95" x 0.95" (115 x 75 x 24.1 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | Android | (proprietary) | BlackBerry OS |
| Network Bands |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66 |
iDEN: 800 |
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| Data Technology | LTE (Cat 4) | LTE (Cat 4) | NR (5G) | WCDMA (UMTS) | - |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | Yes |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | Yes | - | - |
| GPS / Location | n/a | n/a | n/a | - | n/a |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | Yes | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | n/a | - | n/a |
| NFC | Yes * | Yes | Yes | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | n/a | Yes | n/a |
| MMS | n/a | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | - |
| Music Player | n/a | 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 | n/a | Yes | n/a |
| Calculator | n/a | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | n/a | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | Yes | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes | n/a |
| Push-To-Talk | - | - | - | Yes * | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| LG K20 / Harmony / Grace | Samsung Galaxy Alpha | ZTE Blade X1 5G | Nokia 6555 | BlackBerry 6510 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K20 / Harmony / Grace | Samsung Galaxy Alpha | ZTE Blade X1 5G | Nokia 6555 | BlackBerry 6510 |
