| Physical features | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Model | Galaxy A8 2018 (SM-A530F/DS 32GB) | Galaxy S8 (SM-G950FD) |
| Other model names | Galaxy A8 SM-A530F/Dual-Sim, Galaxy A8 Duos | Galaxy S8 Duos G950FD (Exynos), Samsung Dream |
| Country or region available |        
(Global, International), United Arab Emirates, Europe, India, Pakistan, Singapore, Taiwan, Vietnam | 
(Global, International), Brazil, Singapore |
| Brand | Samsung | Samsung |
| Release date | January, 2018 | April, 2017 |
| Depth | 8.4 millimeters (0.33 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 70.6 x 149.2 millimeters (2.78 x 5.87 in) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) |
| Weight | 172 grams (6.02 ounces) | 155 grams (5.43 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: dust proof and waterproof over 1.5 meter and 30min | IP68 certified: dust proof and waterproof over 1.5 meter and 30min |
| System (OS) | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Operating system | Android 7.1.1 Nougat | Android 7.0 Nougat |
| Firmware update | Android 9.0 Pie | Android 9.0 Pie |
| Hardware | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Chipset | 64bit - Samsung Exynos 7 Octa 7885 (14nm) | 64bit - Samsung Exynos 9 Octa 8895 (10nm) |
| CPU processor | Octa-Core, 2 processors:
2.2Ghz Dual-Core ARM Cortex-A73
1.6Ghz Hexa-Core ARM Cortex-A53 | Octa-Core, 2 processors:
2.3Ghz Quad-Core Exynos M2 Mongoose
1.7Ghz Quad-Core ARM Cortex-A53 |
| GPU graphical controller | ARM Mali-G71 MP2 | ARM Mali-G71 MP20 550Mhz |
| RAM memory | 4GB LPDDR4 | 4GB LPDDR4 |
| Internal storage | 32GB (22GB user free)
eMMC 5.1 | 64GB (51GB user free)
UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) |
| Display | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.6" inches | 5.8" inches |
| Screen-to-body ratio | ~75.6% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 1080x2220 pixels | 1440x2960 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 441 PPI | 568 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Display features | feature not registered | 60Hz, HDR10 |
| Mobile networks | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Dual-SIM | Dual SIM Standby - Call active on one sim card
(dedicated slot) | Dual SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots Dual-SIM
nano-SIM (4FF) | 2 slots Dual-SIM
nano-SIM (4FF) |
| Maximum download/upload | 600/75 Mbps | 1024/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM Mhz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat11 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66)
TD-LTE (38, 40, 41) | LTE Cat16 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,20,28,29,30)
TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
| Calling | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Camera | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Back camera (main camera) | 16 megapixels | 12.2 megapixels |
| Main camera resolution | 4608x3456 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.8" inches | 1/2.55" inches |
| Pixel size | 1.12µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF on back camera and autofocus front camera |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| 2ª camera | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Front camera (secondary) | (dual front camera)
• 16 megapixels
• 8MP wide (f/1.9 1/4" 1.12µm 24mm) | 8 megapixels |
| Front camera resolution | 4608x3456 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | f/1.7 (aperture) |
| Focal length | 27mm lens | 25mm lens |
| Sensor size | 1/3.1" inches | 1/3.6" inches |
| Pixel size | 1µm pixel | 1.22µm pixel |
| Multimedia | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
| Connectivity | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 5.0 version A2DP/LE | 5.0 version A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz) | 802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz) |
| DLNA | Not supported | Supported |
| NFC | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| Infrared port | Not supported | Not supported |
| Other functions | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Java / Flash player | Not supported | Not supported |
| Sensors | Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Hall effect
Face unlock
Fingerprint (rear-mounted)
ANT+
| Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Iris scanner
Heart rate
SpO2
Hall effect
Face unlock
Fingerprint (rear-mounted)
ANT+
|
| Other features | - Colors: Black, Gray, Gold, Blue
- Samsung DeX (desktop experience)
- Samsung Pay
- Always-on display
- 24-bit/192kHz audio
- WiFi direct, hotspot | - Colors: Black, Silver, Blue, Gold, Orchid Gray
- Samsung DeX (desktop experience)
- Curved edge screen
- Corning Gorilla Glass 5 back panel
- Samsung Gear VR compatible
- Quick Charge 2.0
- Samsung Pay
- 32bit/192kHz audio
- WiFi direct, hotspot |
| Power supply | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| Battery | Li-Ion (Non removable)
18W | Li-Ion (Non removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | • Fast battery charging | • 15W (9V/1.67A) Fast battery charging
• Qi wireless charging (Qi/PMA) |
| Talk time autonomy | 1140 minutes | 19 hours | 0.8 day | 1740 minutes | 29 hours | 1.2 days |
| Standby | feature not registered | 19560 minutes | 326 hours | 13.6 days |
| Radiation rate | Samsung Galaxy A8 2018 (SM-A530F/DS 32GB) | Samsung Galaxy S8 (SM-G950FD) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.51W/kg (head) | 0.76W/kg (body) | 0.44W/kg (head) | 0.75W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.241W/kg (head) | 1.25W/kg (body) | 0.315W/kg (head) | 1.27W/kg (body) |