| Design | Device Type | Smart Phone | Smart Phone | |
| OS | Android 7.1.1 (Nougat) | Android 8.0 | |
| Dimension | 162.5 x 74.6 x 8.5 mm (6.40 x 2.94 x 0.33 in) | 157.5 x 76.2 x 7.6 mm (6.20 x 3.00 x 0.30 in) | |
| Weight | 195 g (6.88 oz) | 175 g (6.17 oz) | |
| Technology | 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 850 / 900 / 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), 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) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 32(1500), 38(2600), 40(2300), 41(2500), 66(1700/2100) | |
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) - IP68 certified - dust/water proof over 1.5 meter and 30 minutes - Stylus - Samsung Pay (Visa, MasterCard certified) | Nano-SIM & electronic SIM card (e-SIM) - IP67 certified - dust/waterproof to 1 meter and 30 minutes | |
| Announced | August, 2017 | August, 2017 | |
| Status | September, 2017 | October, 2017 | |
| Display | Type | Super AMOLED capacitive touchscreen, 16M colors | P-OLED capacitive touchscreen, 16M colors | |
| Size | 6.3 inches (~83.2% screen-to-body ratio) | 6.0 inches, 92.6 cm2 (~76.4% screen-to-body ratio) | |
| Multi-touch | Yes | Yes | |
| Protection | Corning Gorilla Glass 5 - HDR10 compliant - 3D Touch (home button only) - Always-on display - Grace UX UI | Corning Gorilla Glass 5 - Always-on display - 100% DCI-P3 coverage | |
| Photography | Rear Camera | Dual 12 MP, f/1.7 & f/2.4, OIS, phase detection autofocus, 2x optical zoom, dual-LED (dual tone) flash | 12.2 MP, f/1.8, OIS, phase detection & laser autofocus, dual-LED flash | |
| Features | 1/2.55 sensor size, 1.4 µm pixel size @ 26 mm 1/3.6 sensor size, 1.0 µm pixel size @ 52 mm Geo-tagging, simultaneous 4K video and 9MP image recording, touch focus, face/smile detection, Auto H | 1/2.6 sensor size, 1.4 µm pixel size, geo-tagging, touch focus, face detection, HDR, panorama | |
| Video | 2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30/60/120fps, 720p@240fps | |
| Front Camera | 8 MP, f/1.7, autofocus, 1/3.6 sensor size, 1.22 µm pixel size, 1440p@30fps, dual video call, Auto HDR | 8 MP, 1/3.2 | |
| 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 | No | |
| Internal | 64/128/256 GB, 6 GB RAM | 64/128 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 | No - Active noise cancellation with dedicated mic - Type-C to 3.5 mm headphone jack adapter | |
| 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 (4CA) Cat16 1024/150 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, Wi-Fi Direct, DLNA, hotspot | |
| Bluetooth | 5.0, A2DP, EDR, LE | 5.0, A2DP, LE, aptX HD | |
| NFC | Yes | Yes | |
| USB | 3.1, Type-C 1.0 reversible connector | 3.1, Type-C 1.0 reversible connector (PowerDelivery 2.0) | |
| Battery | Capacity | Non-removable Li-Ion 3300 mAh battery | Non-removable Li-Ion 3520 mAh battery | |
| Stand-by | Up to 22 h (3G) | | |
| Talk time | Up to 74 h | | |
| Music play | Up to 74 h | | |
| Tests | Display | Contrast ratio: Infinite (nominal), 4.148(sunlight) | | |
| Loudspeaker | Voice 67dB / Noise 69dB / Ring 71dB | | |
| Audio Quality | Noise -92.5dB / Crosstalk -93.2dB | | |
| Camera | Photo / Video | | |
| Battery Life | Endurance rating 89h | | |
| Features | Chipset | Exynos 8895 Octa - EMEA Qualcomm MSM8998 Snapdragon 835 - USA & China | Qualcomm MSM8998 Snapdragon 835 | |
| CPU | Octa-core (4x2.3 GHz & 4x1.7 GHz) - EMEA Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China | Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) | |
| GPU | Mali-G71 MP20 - EMEA Adreno 540 - USA & China | Adreno 540 | |
| Sensors | Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer | |
| 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, Maple Gold, Orchid Grey, Deep Sea Blue | Just Black, Black & White | |
| Others | - Samsung Desktop Experience support
- Fast battery charging (Quick Charge 2.0)
- Qi/PMA wireless charging (market dependent)
- ANT+ support
- S-Voice natural language commands and dictation
- MP4/DivX/XviD/WMV/H.265 player
- MP3/WAV/WMA/eAAC+/FLAC player
- Photo/video editor
- Document editor | - Fast battery charging
- MP4/H.264 player
- MP3/WAV/eAAC+ player
- Photo/video editor
- Document editor | |
