Compare phones
| Global Score | |
| 85 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-06-18 | 2020-06-19 |
| 6.11 x 2.91 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 5.93 ounces | 6.77 ounces |
| Midnight blue and Seawater blue | Black, Blue, Red and White |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 409 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Samsung Exynos 850 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 612 GPU | Mali-G76 GPU |
| 9.18 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 9.84 |
| Camera | |
| 32.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 10.78 | 10.78 |
| 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 | |
| 3500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M40 has an overall score of 85, which is just a bit better than Galaxy A21s's score of 77.7. These phones work with the same Android 10 OS. Although Samsung Galaxy M40 is older than Galaxy A21s, it's body is somewhat lighter and somewhat thinner. Samsung Galaxy M40 counts with a bit more powerful processor than Galaxy A21s, and although they both have 8 CPU cores, the Samsung Galaxy M40 also has a higher amount of RAM memory.
The Galaxy M40 counts with a sharper screen than Galaxy A21s, because although it has a quite smaller screen, it also counts with a way higher pixels quantity per inch of display and a way better resolution of 1080 x 2340. The Galaxy M40 has a much bigger storage capacity to store more apps and games than Galaxy A21s, and although they both have a SD card slot that admits a maximum of 512 GB, the Galaxy M40 also has 96 GB more internal memory.
The Galaxy A21s's camera is very similar to the Galaxy M40 one, because although the Galaxy A21s has a smaller diafragm aperture which is not favorable for shooting images or videos in low light environments, and they both have the same video frame rates and the same video resolution, it also counts with a camera with lot more mega-pixels and a much larger camera sensor shooting way better quality photos and videos.
The Samsung Galaxy A21s features a superior battery duration than Galaxy M40, because it has 5000mAh of battery capacity instead of 3500mAh.
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