| Design | Device Type | Smart Phone | Smart Phone | |
| OS | Android 8.0 (Oreo) | Android 8.0 (Oreo) | |
| Dimension | 147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in) | 150.5 x 77.8 x 8.2 mm (5.93 x 3.06 x 0.32 in) | |
| Weight | 163 g (5.75 oz) | 186 g (6.56 oz) | |
| Technology | 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) CDMA 800 / 1900 - USA | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA CDMA2000 1xEV-DO - USA | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - Global LTE band 1(2100), | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(900), 7(2600), 8(900), 9(1800), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700) | |
| SIM | Single SIM or Dual SIM | Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) - IP53 certified - dust and splash protection | |
| Announced | February, 2018 | October, 2017 | |
| Status | March, 2018 | November, 2017 | |
| Display | Type | Super AMOLED capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors | |
| Size | 5.8 inches, 85.4 cm | 5.9 inches, 95.6 cm2 (~81.6% screen-to-body ratio) | |
| Multi-touch | Yes | Yes | |
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass (unspecified version) - HDR10 compliant - EMUI 8.0 | |
| Photography | Rear Camera | 12 MP (f/1.5-2.4, 26mm, 1/2.5 | Dual 20 MP +12 MP, f/1.6, OIS, 2x lossless zoom, Leica optics, phase detection & laser autofocus, dual-LED (dual tone) flash | |
| Features | Geo-tagging, simultaneous 4K video and 9MP image recording, touch focus, face/smile detection, Auto HDR, panorama | Geo-tagging, touch focus, face/smile detection, panorama, HDR | |
| Video | 2160p@60fps, 1080p@240fps, 720p@960fps, HDR, dual-video rec., check quality | 2160p@30fps, 1080p@30/60fps | |
| Front Camera | 8 MP (f/1.7, 25mm, 1/3.6 | 8 MP (f/2.0, 26mm, 1/3.2", 1.4µm), autofocus, 1080p | |
| Memory | Card slot | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | |
| Internal | 64/128/256 GB, 4 GB RAM | 64 GB, 4 GB RAM | |
| Sound | Alert types | Vibration; MP3, WAV ringtones | Vibration; MP3, WAV ringtones | |
| Loudspeaker | Yes | Yes, with stereo speakers | |
| 3.5mm jack | Yes - 32-bit/384kHz audio - Active noise cancellation with dedicated mic | Yes - 24-bit/192kHz audio - Active noise cancellation with dedicated mic | |
| Connectivity | GPRS | Yes | Yes | |
| EDGE | Yes | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat18 1200/150 Mbps | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, WiFi Direct, hotspot | |
| Bluetooth | 5.0, A2DP, LE, aptX | 4.2, A2DP, aptX HD, LE | |
| NFC | Yes | Yes | |
| USB | 3.1, Type-C 1.0 reversible connector | 3.1, Type-C 1.0 reversible connector; USB Host | |
| Battery | Capacity | Non-removable Li-Ion 3000 mAh battery (11.55 Wh) | Non-removable Li-Po 4000 mAh battery | |
| Tests | Display | Contrast ratio: Infinite (nominal), 4.630 (sunlight) | Contrast ratio: 1383:1 (nominal), 2.742 (sunlight) | |
| Loudspeaker | Voice 68dB / Noise 74dB / Ring 81dB | Voice 90dB / Noise 73dB / Ring 84dB | |
| Audio Quality | Noise -93.4dB / Crosstalk -93.9dB | Noise -93.5dB / Crosstalk -93.4dB | |
| Camera | Photo / Video | Photo / Video | |
| Battery Life | Endurance rating 78h | Endurance rating 87h | |
| Features | Chipset | Exynos 9810 Octa | Hisilicon Kirin 970 | |
| CPU | Octa Core | Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) | |
| GPU | Mali-G72 MP18 - EMEA Adreno 630 - USA & China | Mali-G72 MP12 | |
| Sensors | Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 | Fingerprint (rear-mounted), accelerometer, gyro, proximity, barometer, compass | |
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM | SMS(threaded view), MMS, Email, Push Mail, IM | |
| Browser | HTML5 | HTML5 | |
| Radio | No | No | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| Java | No | No | |
| Colors | Midnight Black, Coral Blue, Titanium Gray, Lilac Purple | Mocha Brown, Black, Champagne Gold, Pink Gold | |
| Others | - Samsung DeX (desktop experience support)
- Fast battery charging
- Qi wireless charging
- ANT+ support
- Bixby natural language commands and dictation
- MP4/DivX/XviD/H.265 player
- MP3/WAV/eAAC+/FLAC player
- Photo/video editor
- Document editor | - Fast battery charging 4.5V/5A (58% in 30 min)
- DivX/XviD/MP4/H.265/WMV player
- MP3/eAAC+/WMA/WAV/Flac player
- Document editor
- Photo/video editor | |
