Compare phones
| Global Score | |
| 85.2 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10, 9.0 Pie |
| 2018-11-15 | 2019-04-10 |
| 6.40 x 3.03 x 0.31 inches | 5.69 x 2.72 x 0.31 inches |
| 6.46 ounces | 4.94 ounces |
| Bubblegum pink, Caviar black and Lemonade blue | Black, Blue, Coral and White |
| Glass and Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 5.9 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 392 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Exynos 7904 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Mali-G71 MP2 GPU |
| 9.27 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 24.00 MP + 24.00 MP | 16.00 MP + 25.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 27.00mm focal length | 27.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.45 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3800mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A9 (2018) has a global score of 85.2, which is slightly better than the Galaxy A40's score of 79.6. The Galaxy A9 (2018) is a incredibly heavier cellphone than the Galaxy A40, but they are equally thin. Samsung Galaxy A40 features a little sharper screen than Samsung Galaxy A9 (2018), because although it has a little bit smaller screen, it also counts with a little bit greater pixels number in each inch of display and a slightly higher 1080 x 2340 resolution.
Galaxy A9 (2018) counts with a way bigger memory capacity to install games and applications than Galaxy A40, and although they both have a SD card slot that allows up to 512 GB, the Galaxy A9 (2018) also has 128 GB internal storage. The Samsung Galaxy A9 (2018) counts with just a bit better performance than Samsung Galaxy A40, and although they both have a Octa-Core processor, the Samsung Galaxy A9 (2018) also has a larger amount of RAM memory.
The Samsung Galaxy A9 (2018) has improved battery lifetime than Samsung Galaxy A40, because it has 3800mAh of battery capacity. Samsung Galaxy A9 (2018) has a better camera than Samsung Galaxy A40, and although they both have the same diafragm aperture and a 0.36 inches sensor, the Samsung Galaxy A9 (2018) also has a way better (4K) video quality and a back camera with way more mega-pixels.
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