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- Galaxy A8 2018 Duos vs Galaxy S9
Samsung Galaxy A8 2018 Duos vs Samsung Galaxy S9
What Galaxy A8 2018 Duos does better (3) and where Galaxy S9 wins (11) — every spec side by side.
vs
6.6Display6.1
4.2Camera6.3
2.3Battery2.8
6.0Features6.7
Dimensions
Size comparison
Galaxy A8 2018 DuosGalaxy S9
| Galaxy A8 2018 Duos | Galaxy S9 | Difference | |
|---|---|---|---|
| Height | 149.2 mm | 148 mm | +1.2 mm |
| Width | 70.6 mm | 69 mm | +1.6 mm |
| Thickness | 8.4 mm | 9 mm | −0.6 mm |
| Weight | 172 g | 163 g | +9 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A8 2018 Duos better than Galaxy S9?
- Main camera16 MP vs 12 MP+33%
- Selfie camera16 MP vs 8 MP2×
- Thickness8.4 mm vs 9 mm+7%
Why is Galaxy S9 better than Galaxy A8 2018 Duos?
- Optical stabilisationNo · Galaxy A8 2018 Duos: Yes
- Wireless chargingNo · Galaxy A8 2018 Duos: Yes
- Stereo speakersNo · Galaxy A8 2018 Duos: Yes
- Peak brightness570 nits vs 740 nits+30%
- Pixel density441 ppi vs 570 ppi+29%
- CPU frequency2.2 GHz vs 2.7 GHz+23%
- Weight172 g vs 163 g+6%
- Screen size5.6″ vs 5.8″+4%
- USB version2 vs 3.1+55%
- Resolution (width)1,080 px vs 1,440 px+33%
- Screen-to-body ratio75.6% vs 83.3%+10%
Specifications
Side by side
| Design | ||
| Weight | 172 g | 163 g |
| Thickness | 8.4 mm | 9 mm |
| Height | 149.2 mm | 148 mm |
| Width | 70.6 mm | 69 mm |
| Frame | Aluminium | Aluminium |
| Back | Glass | Glass |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Gorilla Glass 4 | Gorilla Glass 5 |
| Colours | — | Black, Gold, Gray, Blue, Purple |
| Display | ||
| Screen size | 5.6″ | 5.8″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,440 px |
| Resolution (height) | 2,220 px | 2,960 px |
| Pixel density | 441 ppi | 570 ppi |
| Refresh rate | — | 60 Hz |
| Peak brightness | 570 nits | 740 nits |
| Measured brightness | — | 653 nits |
| Screen-to-body ratio | 75.6% | 83.3% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Samsung Exynos 7885 | Samsung Exynos 9810 |
| Chip maker | Samsung | Samsung |
| Process | — | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.7 GHz |
| GPU | Mali G71 | Mali G72 MP18 |
| AnTuTu score | — | 611,930 |
| Geekbench 6 (multi-core) | — | 2,000 |
| Memory | ||
| RAM | — | 4 GB |
| Storage (max) | — | 256 GB |
| Storage (base) | — | 64 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 16 MP | 12 MP |
| Main camera aperture | — | f/1.5 |
| Main sensor size | — | 1/2.55" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| 4K video frame rate | — | 60 fps |
| Selfie camera | 16 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,000 mAh | 3,000 mAh |
| Battery type | — | Li-Ion |
| Wired charging | — | 15 W |
| Charged in 30 min | — | 40% |
| Wireless charging | No | Yes |
| Wireless charging power | — | 10 W |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | — | USB Type-C |
| USB version | 2 | 3.1 |
| Satellite navigation | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | — | Yes |
| Fingerprint sensor | Rear | Rear |
| Barometer | Yes | Yes |
| Sensors | proximity, accelerometer, gyro, light, compass, barometer, hall, fingerprint | proximity, accelerometer, gyro, light, compass, barometer, fingerprint |
| SAR (head) | — | 0.36 W/kg |
| Software | ||
| OS at launch | Android 7.1 Nougat | Android 8.0 Oreo |
| Platform | Android | Android |
| Interface | — | Samsung Experience 9.0 |
