| Design | Device Type | Smart Phone | Smart Phone | |
| OS | Android 7.0 (Nougat) | Android 7.1.1 (Nougat) | |
| Dimension | 159.5 x 73.4 x 8.1 mm (6.28 x 2.89 x 0.32 in) | 155.7 mm x 75.4 mm x 8.13 mm | |
| Weight | 173 g (6.10 oz) | N/A | |
| Technology | 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700) | LTE | |
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Announced | March, 2017 | October, 2017 | |
| Status | April, 2017 | December, 2017 | |
| Display | Type | Super AMOLED capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors | |
| Size | 6.2 inches (~84.0% screen-to-body ratio) | 5.5 Inches | |
| Multi-touch | Yes | Yes | |
| Protection | Corning Gorilla Glass 5 - Force Touch display - TouchWiz UI | | |
| Photography | Rear Camera | 12 MP, f/1.7, 26mm, phase detection autofocus, OIS, LED flash | 12 MP, f/2.0, phase detection autofocus, dual-LED (dual tone) flash | |
| Features | 1/2.5 sensor size, 1.4 µm pixel size, geo-tagging, simultaneous 4K video and 9MP image recording, touch focus, face/smile detection, Auto HDR, panorama | Geo-tagging, touch focus, face detection, HDR, panorama | |
| Video | 2160p@30fps, 1080p@60fps, HDR, dual-video rec. | 1080p@30fps | |
| Front Camera | 8 MP, f/1.7, autofocus, 1440p@30fps, dual video call, Auto HDR | | |
| Memory | Card slot | microSD, up to 256 GB (dedicated slot) - single-SIM model microSD, up to 256 GB (uses SIM 2 slot) - dual-SIM model | microSD, up to 256 GB | |
| Internal | 64 GB, 4 GB RAM or 128 GB, 6 GB RAM | 32 GB, 4 GB RAM | |
| Sound | Alert types | Vibration; MP3, WAV ringtones | Vibration; MP3, WAV ringtones | |
| Loudspeaker | Yes | Yes | |
| 3.5mm jack | Yes - 32-bit/384kHz audio - Active noise cancellation with dedicated mic | Yes - 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, LTE | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Bluetooth | v5.0, A2DP, LE, aptX | 4.2, A2DP, EDR, LE | |
| NFC | Yes | Yes | |
| USB | 3.1, Type-C 1.0 reversible connector | Type-C 1.0 reversible connector | |
| Battery | Capacity | Non-removable Li-Ion 3500 mAh battery | Non-removable Li-Po 4000 mAh battery | |
| Tests | Display | Contrast ratio: Infinite (nominal), 4.658(sunlight) | | |
| Loudspeaker | Voice 68dB / Noise 69dB / Ring 71dB | | |
| Audio Quality | Noise -92.2dB / Crosstalk -93.3dB | | |
| Camera | Photo / Video | | |
| Battery Life | Endurance rating 88h | | |
| Features | Chipset | Exynos 8895 Octa - EMEA Qualcomm MSM8998 Snapdragon 835 - USA & China | Qualcomm MSM8953 Snapdragon 625 | |
| CPU | Octa-core (4x2.3 GHz & 4x1.7 GHz) - EMEA Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China | Octa-core 2.0 GHz Cortex-A53 | |
| GPU | Mali-G71 MP20 - EMEA Adreno 540 - USA & China | Adreno 506 | |
| Sensors | Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | |
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM | SMS (threaded view), MMS, Email, Push Email | |
| Browser | HTML5 | HTML5 | |
| Radio | No | To be confirmed | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS | |
| Java | No | No | |
| Colors | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | Black | |
| Others | - Samsung DeX (desktop experience support) - Fast battery charging - Qi/PMA wireless charging (market dependent) - ANT+ support - S-Voice natural language commands and dictation - MP4/DivX/XviD/H.265 player - MP3/WAV/eAAC+/FLAC player - Photo/video editor - Document editor | - MP3/WAV/eAAC+/FlAC player - MP4/H.264 player - Photo/video editor - Document viewer | |