Compare phones
| Global Score | |
| 76.1 | 85 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 10, 9.0 Pie |
| 2020-06-29 | 2019-06-18 |
| 6.61 x 3.02 x 0.32 inches | 6.11 x 2.91 x 0.31 inches |
| 6.81 ounces | 5.93 ounces |
| Black | Midnight blue and Seawater blue |
| Plastic and Plastic | Plastic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 675 SM6150 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 612 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 32.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.44 |
| 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 and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M40 is better than Galaxy A21, getting a general score of 85 against 76.1. Samsung Galaxy M40's design is a little bit thinner and somewhat lighter than Galaxy A21, although it was released about 13 months before. These phones include the same Android 10 OS. Galaxy A21 counts with a bit superior CPU than Galaxy M40, although it has a smaller amount of RAM, they both have a Octa-Core processing unit.
Galaxy M40 features a much better looking display than Galaxy A21, because although it has a little smaller screen, it also counts with much more pixels per inch in the screen and a much higher 1080 x 2340 pixels resolution. Samsung Galaxy M40 features a much greater storage for games and applications than Galaxy A21, and although they both have a slot for external memory cards that allows up to 512 GB, the Samsung Galaxy M40 also has 128 GB internal storage capacity.
Samsung Galaxy A21 counts with a little longer battery lifetime than Samsung Galaxy M40, because it has a 14 percent larger battery capacity. The Galaxy M40 counts with a better camera than Samsung Galaxy A21, because it has a larger diafragm aperture to capture better low light captures, a way higher (4K) video resolution, a bigger sensor shooting better quality videos and pictures and a back camera with a lot higher 32 mega-pixels resolution.
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