Compare phones
| Global Score | |
| 83.3 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10, 9.0 Pie |
| 2018-03-16 | 2019-04-10 |
| 5.81 x 2.70 x 0.33 inches | 5.69 x 2.72 x 0.31 inches |
| 5.75 ounces | 4.94 ounces |
| Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray | Black, Blue, Coral and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 158.00 | -- |
| Display / Screen | |
| 5.8 inches | 5.9 inches |
| 2960 x 1440 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 568 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Exynos 7904 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G71 MP2 GPU |
| 9.54 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.34 | 11.74 |
| Camera | |
| 12.00 MP + 8.00 MP | 16.00 MP + 25.00 MP |
| f/1.50 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.23 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S9 is slightly better than the Samsung Galaxy A40, having a general score of 83.3 against 79.6. Galaxy S9 is a better cellphone than Samsung Galaxy A40, we must tell that it is also older, heavier and just a little thicker. Galaxy S9 has a bit better processing unit than Samsung Galaxy A40. Both of them have a Octa-Core processor and 4 GB of RAM memory.
Galaxy S9 counts with a little more vivid screen than Galaxy A40, because although it has a little bit smaller screen, it also counts with a greater quantity of pixels per inch in the screen and a better 1440 x 2960 resolution. Galaxy S9 has a bit better camera than Galaxy A40, because although it has a back facing camera with a way worse resolution, it also counts with a larger diafragm aperture to take better low-light images and videos, a larger back camera sensor which provides a higher image and video quality and a way higher 3840x2160 video resolution.
The Galaxy A40 counts with slightly more memory capacity to install applications and games or saving photos and videos than Samsung Galaxy S9, and although they both have equal internal memory, the Galaxy A40 also has a SD memory slot that supports a maximum of 512 GB. The Galaxy A40 counts with a bit better battery performance than Samsung Galaxy S9, because it has a 3100mAh battery capacity instead of 3000mAh.
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