Compare phones
| Global Score | |
| 77.7 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 10, 9.0 Pie |
| 2020-06-19 | 2019-06-18 |
| 6.44 x 2.96 x 0.35 inches | 6.11 x 2.91 x 0.31 inches |
| 6.77 ounces | 5.93 ounces |
| Black, Blue, Red and White | Midnight blue and Seawater blue |
| -- | Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 612 GPU |
| 9.09 | 9.18 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 32.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M40 is slightly better than Galaxy A21s, with an 85 score against 77.7. Both of these phones have the same Android 10 OS (Operating System), so they should offer very similar operating system features. The Samsung Galaxy M40 is an older cellphone than Galaxy A21s, but it is somewhat lighter and somewhat thinner anyway.
The Galaxy M40 features a brighter screen than Samsung Galaxy A21s, because although it has a little bit smaller screen, it also counts with a much higher pixel density and a lot higher resolution of 1080 x 2340. Galaxy M40 has a bit faster processor than Galaxy A21s, and although they both have 8 cores, the Galaxy M40 also has more RAM memory.
The Galaxy M40 has a camera that is just as good as the camera in Galaxy A21s, because although the Galaxy M40 has a lot smaller sensor capturing much worse quality videos and images and a lot lower 32 mega-pixels resolution back camera, it also counts with a larger camera aperture to capture better low light captures and a way better (4K) video resolution.
Samsung Galaxy M40 features a way bigger memory capacity to install applications and games than Galaxy A21s, and although they both have an external SD slot that admits a maximum of 512 GB, the Samsung Galaxy M40 also has more internal memory. Galaxy A21s features a really longer battery lifetime than Galaxy M40, because it has a 5000mAh battery size against 3500mAh.
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