| Connectivity | 
                                                                                                  
                                                    | Bluetooth | Yes | Yes | Yes | Yes | 
                                                                                                    
                                                    | 3G | Yes | Yes | Yes | Yes | 
                                                                                                    
                                                    | 4G/LTE | Yes | Yes | Yes | Yes | 
                                                                                                    
                                                    | Radio | Stereo FM radio with RDS | FM radio | Stereo FM radio with RDS | FM radio | 
                                                                                                    
                                                    | WiFi | Yes | Yes | Yes | Yes | 
                                                                                                    
                                                    | NFC | Yes | Yes | Yes | Yes | 
                                                                                                                                                                                                            
                                                  | Camera | 
                                                                                                  
                                                    | Front Camera | 8 MP | 8 MP | 5 MP | 5 MP | 
                                                                                                    
                                                    | Front Flash Light | No |  |  |  | 
                                                                                                    
                                                    | Front Video Recording | No | 1080p@60fps | No | 1080p@30fps | 
                                                                                                    
                                                    | Back Flash Light | Yes | Yes | Yes | Yes | 
                                                                                                    
                                                    | Back Camera | 16 MP | 16 MP | 16 MP | 16 MP | 
                                                                                                    
                                                    | Back Video Recording | 2160p@30/60fps, 1080p@30/60/240fps, 24-bit/192kHz stereo sound rec., HDR video, gyro-EIS | 2160p@30/60fps, 1080p@30/60fps, 720p@240fps, HDR, 24-bit/192kHz stereo sound rec. | 2160p@30fps, 1080p@30/60fps, 720p@120fps, 24-bit/192kHz stereo sound rec., HDR video | 1080p@30fps | 
                                                                                                                                                                                                            
                                                  | Battery | 
                                                                                                  
                                                    | Type | Non-removable Li-Po 3300 mAh battery | Non-removable Li-Po 3000 mAh battery | Non-removable Li-Po 3300 mAh battery | Non-removable Li-Ion 4100 mAh battery | 
                                                                                                                                                                                                            
                                                  | Performance | 
                                                                                                  
                                                    | Processor | Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) | Octa-core 1.4 GHz Cortex-A53 | 
                                                                                                    
                                                    | GPU | Adreno 630 | Adreno 630 | Adreno 540 | Adreno 505 | 
                                                                                                                                                                                                            
                                                  | Memory | 
                                                                                                  
                                                    | Internal Memory | 64 GB | 128 GB | 128 GB | 32 GB | 
                                                                                                    
                                                    | RAM | 6 GB RAM | 6 GB RAM or 64 GB 4 GB RAM | 4 GB RAM (V30+) or 64 GB 4 GB RAM (V30) | 2 GB RAM | 
                                                                                                    
                                                    | Card Slot | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) - single-SIM modelmicroSD, up to 512 GB (uses SIM 2 slot) - dual-SIM model | microSD, up to 512 GB (dedicated slot) - single-SIM modelmicroSD, up to 512 GB (uses SIM 2 slot) - dual-SIM model | microSD, up to 256 GB | 
                                                                                                                                                                                                            
                                                  | Display | 
                                                                                                  
                                                    | Screen Size | 6.4 inches | 6.1 inches | 6.0 inches | 5.2 inches | 
                                                                                                    
                                                    | Screen Resolution | 1440 x 3120 pixels | 1440 x 3120 pixels | 1440 x 2880 pixels | 1080 x 1920 pixels | 
                                                                                                    
                                                    | Screen Type | P-OLED capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors | P-OLED capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors | 
                                                                                                    
                                                    | Screen Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 | Corning Gorilla Glass 4 | 
                                                                                                                                                                                                            
                                                  | General Features | 
                                                                                                  
                                                    | Release Date | 2018, October | 2018, May | 2017, August | 2017, May | 
                                                                                                    
                                                    | SIM Support | Nano-SIM | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM | 
                                                                                                    
                                                    | Phone Dimensions | 6.25 x 2.98 x 0.30 in | 6.03 x 2.83 x 0.31 in | 5.97 x 2.97 x 0.29 in | 6.06 x 2.98 x 0.37 in | 
                                                                                                    
                                                    | Phone Weight | 169 g | 162 g | 158 g | 166.5 g | 
                                                                                                    
                                                    | Operating System | Android 8.1 (Oreo) | Android 8.0 (Oreo), planned upgrade to Android 9.0 (P) | Android 7.1.2 (Nougat), upgradable to Android 8.0 (Oreo) | Android 7.0 (Nougat) |