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- Galaxy A40 vs Galaxy A9 2018
Samsung Galaxy A40 vs Samsung Galaxy A9 2018
What Galaxy A40 does better (5) and where Galaxy A9 2018 wins (8) — every spec side by side.
vs
5.4Display5.0
5.7Camera4.3
2.5Battery2.6
5.0Features5.0
Dimensions
Size comparison
Galaxy A40Galaxy A9 2018
| Galaxy A40 | Galaxy A9 2018 | Difference | |
|---|---|---|---|
| Height | 144.4 mm | 162.5 mm | −18.1 mm |
| Width | 69.2 mm | 77 mm | −7.8 mm |
| Thickness | 7.9 mm | 7.8 mm | +0.1 mm |
| Weight | 140 g | 183 g | −43 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A40 better than Galaxy A9 2018?
- Peak brightness548 nits vs 380 nits+44%
- Weight140 g vs 183 g+31%
- Pixel density439 ppi vs 392 ppi+12%
- Screen-to-body ratio85.5% vs 80.1%+7%
- Selfie camera25 MP vs 24 MP+4%
Why is Galaxy A9 2018 better than Galaxy A40?
- RAM4 GB vs 6 GB+50%
- Main camera16 MP vs 24 MP+50%
- Storage (max)64 GB vs 128 GB2×
- Battery capacity3,100 mAh vs 3,720 mAh+20%
- CPU frequency1.8 GHz vs 2.2 GHz+22%
- Storage (base)64 GB vs 128 GB2×
- Rear cameras2 vs 42×
- Screen size5.9″ vs 6.3″+7%
Specifications
Side by side
| Design | ||
| Weight | 140 g | 183 g |
| Thickness | 7.9 mm | 7.8 mm |
| Height | 144.4 mm | 162.5 mm |
| Width | 69.2 mm | 77 mm |
| Frame | Plastic | — |
| Back | Plastic | Glass |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | White, Black, Blue | — |
| Display | ||
| Screen size | 5.9″ | 6.3″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,220 px |
| Pixel density | 439 ppi | 392 ppi |
| Refresh rate | 60 Hz | — |
| Peak brightness | 548 nits | 380 nits |
| Measured brightness | 544 nits | — |
| Screen-to-body ratio | 85.5% | 80.1% |
| Performance | ||
| Chipset | Samsung Exynos 7904 | Qualcomm Snapdragon 660 |
| Chip maker | Samsung | Qualcomm |
| Process | 14 nm | — |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2.2 GHz |
| GPU | Mali G71 MP2 | Adreno 512 |
| AnTuTu score | 208,315 | — |
| Geekbench 6 (multi-core) | 1,530 | — |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 64 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 16 MP | 24 MP |
| Main camera aperture | f/1.7 | — |
| Rear cameras | 2 | 4 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Optical zoom | — | 2× |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 25 MP | 24 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,100 mAh | 3,720 mAh |
| Battery type | Li-Ion | — |
| Wired charging | 15 W | — |
| Charged in 30 min | 38% | — |
| Wireless charging | No | No |
| 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 | 2 |
| Satellite navigation | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | — |
| Fingerprint sensor | Rear | Rear |
| Sensors | proximity, accelerometer, compass, fingerprint | proximity, accelerometer, gyro, compass, fingerprint |
| SAR (head) | 0.49 W/kg | — |
| Software | ||
| OS at launch | Android 9.0 | Android 9.0 Pie |
| Platform | Android | Android |
| Interface | One UI | Samsung Experience 9.0 |




