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- Galaxy A40 vs Galaxy S9
Samsung Galaxy A40 vs Samsung Galaxy S9
What Galaxy A40 does better (8) and where Galaxy S9 wins (16) — every spec side by side.
vs
5.4Display6.1
2.1Performance4.2
5.7Camera6.3
2.5Battery2.8
5.0Features6.7
Dimensions
Size comparison
Galaxy A40Galaxy S9
| Galaxy A40 | Galaxy S9 | Difference | |
|---|---|---|---|
| Height | 144.4 mm | 148 mm | −3.6 mm |
| Width | 69.2 mm | 69 mm | +0.2 mm |
| Thickness | 7.9 mm | 9 mm | −1.1 mm |
| Weight | 140 g | 163 g | −23 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy A40 better than Galaxy S9?
- Main camera16 MP vs 12 MP+33%
- Battery capacity3,100 mAh vs 3,000 mAh+3%
- Selfie camera25 MP vs 8 MP3.1×
- Rear cameras2 vs 12×
- Max video4K vs 1080p
- Weight140 g vs 163 g+16%
- Thickness7.9 mm vs 9 mm+14%
- Screen-to-body ratio85.5% vs 83.3%+3%
Why is Galaxy S9 better than Galaxy A40?
- AnTuTu score208,315 vs 611,9302.9×
- Storage (max)64 GB vs 256 GB4×
- Optical stabilisationNo · Galaxy A40: Yes
- Wireless chargingNo · Galaxy A40: Yes
- Stereo speakersNo · Galaxy A40: Yes
- Geekbench 6 (multi-core)1,530 vs 2,000+31%
- CPU frequency1.8 GHz vs 2.7 GHz+50%
- Peak brightness548 nits vs 740 nits+35%
- Pixel density439 ppi vs 570 ppi+30%
- Measured brightness544 nits vs 653 nits+20%
- 4K video frame rate30 fps vs 60 fps2×
- USB version2 vs 3.1+55%
Specifications
Side by side
| Design | ||
| Weight | 140 g | 163 g |
| Thickness | 7.9 mm | 9 mm |
| Height | 144.4 mm | 148 mm |
| Width | 69.2 mm | 69 mm |
| Frame | Plastic | Aluminium |
| Back | Plastic | Glass |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Corning Gorilla Glass 3 | Gorilla Glass 5 |
| Colours | White, Black, Blue | Black, Gold, Gray, Blue, Purple |
| Display | ||
| Screen size | 5.9″ | 5.8″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,440 px |
| Resolution (height) | 2,340 px | 2,960 px |
| Pixel density | 439 ppi | 570 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 548 nits | 740 nits |
| Measured brightness | 544 nits | 653 nits |
| Screen-to-body ratio | 85.5% | 83.3% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Samsung Exynos 7904 | Samsung Exynos 9810 |
| Chip maker | Samsung | Samsung |
| Process | 14 nm | 10 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 1.8 GHz | 2.7 GHz |
| GPU | Mali G71 MP2 | Mali G72 MP18 |
| AnTuTu score | 208,315 | 611,930 |
| Geekbench 6 (multi-core) | 1,530 | 2,000 |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage (max) | 64 GB | 256 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 16 MP | 12 MP |
| Main camera aperture | f/1.7 | f/1.5 |
| Main sensor size | — | 1/2.55" |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | 60 fps |
| Selfie camera | 25 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,100 mAh | 3,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wired charging | 15 W | 15 W |
| Charged in 30 min | 38% | 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 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 | Yes |
| Fingerprint sensor | Rear | Rear |
| Barometer | — | Yes |
| Sensors | proximity, accelerometer, compass, fingerprint | proximity, accelerometer, gyro, light, compass, barometer, fingerprint |
| SAR (head) | 0.49 W/kg | 0.36 W/kg |
| Software | ||
| OS at launch | Android 9.0 | Android 8.0 Oreo |
| Platform | Android | Android |
| Interface | One UI | Samsung Experience 9.0 |
