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| Phone | ZTE Grand XMax | Samsung SGH-X640 | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Siemens SX1 | LG V50 ThinQ 5G | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 6" diag. 16 : 9 | ? | 5" diag. 16 : 9 | ? | 6.4" diag. 19.5 : 9 | 
| Display Resolution & Type | 720 x 1280 pixels (~245 ppi) LCD (TFT/TFD) | 128 x 160 pixels LCD (TFT/TFD) | 720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) | 176 x 220 pixels LCD (TFT/TFD) | 1440 x 3120 pixels (~537 ppi) AMOLED | 
| Display Refresh | 60 Hz | ? | 60 Hz | ? | 60 Hz | 
| Battery | 3,200 mAh | 800 mAh | 2,500 mAh | 1,000 mAh | 4,000 mAh | 
| Processor | 1.2 GHz Qualcomm Snapdragon 200 MSM8212 | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | 2.8 GHz Qualcomm Snapdragon 855 | 
| RAM | 1 GB | ? | 2 GB | ? | 6 GB | 
| Storage | 8 GB | ? raw hardware | 16 GB | ? raw hardware | 128 GB | 
| Main Camera | 8 megapixel | Yes | 8 megapixel | Yes | 12 megapixel | 
| Wide Camera | - | - | - | - | 16 megapixel | 
| Tele Camera | - | - | - | - | 12 megapixel | 
| Video Capture | 720p HD | - | 1080p HD | QCIF (176 x 144) | 4K UHD | 
| Front Camera | 1 megapixel | - | 5 megapixel | - | 8 megapixel | 
| Weight | 6.06 oz (172g) | 3 oz (85g) | 4.94 oz (140g) | 4.09 oz (116g) | 6.6 oz (187g) | 
| Dimensions | 6.38" x 3.27" x 0.31" (162 x 83 x 7.9 mm) | 3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) | 5.7" x 2.84" x 0.32" (145 x 72 x 8.1 mm) | 4.29" x 2.2" x 0.75" (109 x 56 x 19.1 mm) | 6.26" x 3" x 0.33" (159 x 76 x 8.3 mm) | 
| Form Factor | Slab | Clamshell | Slab | Slab | Slab | 
| Platform / OS | Android | (proprietary) | Android | S60 (Symbian) | Android | 
| Network Bands | WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 | GSM: 900, 1800, 1900 | GSM: 900, 1800, 1900 | 5G: 41, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | |
| Data Technology | HSPA+ 21 | GPRS | LTE (Cat 4) | GPRS | NR (5G) | 
| Features | |||||
| Barometer | - | - | - | - | Yes | 
| Fingerprint Reader | - | - | - | - | Yes stand-alone | 
| Flashlight | - | - | Yes | - | Yes | 
| GPS / Location | n/a | - | n/a | n/a | n/a | 
| Water-Resistant | - | - | - | - | Yes IPX8 (SCUBA) | 
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | n/a | 
| Hearing Aid Compatible | Yes | - | Yes | - | Yes | 
| Multiple Languages | n/a | Yes | n/a | n/a | n/a | 
| TTY/TDD (Digital) | Yes | - | Yes | - | Yes | 
| Alerts | |||||
| Ringer Profiles | - | - | - | Yes | - | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | - | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Infrared (IR) | Yes | - | - | Yes | - | 
| MirrorLink | - | - | - | - | Yes | 
| NFC | - | - | - | - | Yes | 
| USB | Yes Micro-USB | - | Yes Micro-USB | Yes | Yes USB Type C | 
| Wi-Fi | Yes 4 (802.11 b,g,n) | - | Yes 4 (802.11 b,g,n) | - | Yes 5 (802.11 a,ac,b,g,n) | 
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | n/a | 
| Ringer ID | n/a | Yes | n/a | n/a | n/a | 
| Voice Dialing | n/a | - | n/a | n/a | n/a | 
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | n/a | 
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a | 
| Real-Music Ringers | n/a | - | n/a | n/a | n/a | 
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | n/a | n/a | 
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a | 
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | n/a | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Touch Screen | Yes | - | Yes | - | Yes | 
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes | 
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | n/a | 
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | n/a | 
| Instant Messaging | n/a | - | n/a | n/a | n/a | 
| MMS | n/a | Yes | n/a | n/a | n/a | 
| Text Messaging Templates | n/a | Yes | n/a | n/a | n/a | 
| Music | |||||
| FM Radio | - | - | - | Yes | Yes | 
| Headphone Jack (3.5mm) | Yes | - | Yes | - | Yes | 
| Music Player | n/a | - | n/a | n/a | n/a | 
| Stereo Speakers | - | - | - | - | Yes | 
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes | 
| Miracast | - | - | - | - | Yes | 
| Power | |||||
| Fast Charging | - | - | - | - | Yes | 
| Wireless Charging | - | - | - | - | Yes | 
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a | 
| Calculator | n/a | Yes | n/a | n/a | n/a | 
| Calendar | n/a | Yes | n/a | n/a | n/a | 
| To-Do List | n/a | Yes | n/a | n/a | n/a | 
| Voice Memo | n/a | Yes | n/a | n/a | n/a | 
| Software | |||||
| Games | n/a | Yes | n/a | n/a | n/a | 
| Java (J2ME) | n/a | Yes | n/a | n/a | n/a | 
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes | 
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a | n/a | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| ZTE Grand XMax | Samsung SGH-X640 | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Siemens SX1 | LG V50 ThinQ 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | ZTE Grand XMax | Samsung SGH-X640 | LG K8 (2018) / Zone 4 / Tribute Dynasty / Tribute Empire / K8s | Siemens SX1 | LG V50 ThinQ 5G | 
 







