Compare phones
| Global Score | |
| 85 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie | Android 10 |
| 2019-06-18 | 2020-06-29 |
| 6.11 x 2.91 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 5.93 ounces | 6.81 ounces |
| Midnight blue and Seawater blue | Black |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 409 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Mediatek Helio P35 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 612 GPU | PowerVR GE8320 GPU |
| 9.18 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 | |
| 3500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M40 has a global score of 85, which is much better than the Galaxy A21's 76.1 overall score. Both phones in this comparison come with the same Android 10 operating system, so you shouldn't perceive any difference regarding operating system features. Samsung Galaxy M40's design is somewhat lighter and a little bit thinner than Galaxy A21, although it was released around 13 months before.
Galaxy M40 has a sharper screen than Samsung Galaxy A21, because although it has a bit smaller display, it also counts with a lot better 1080 x 2340 resolution and a much greater pixels amount per inch of display. Galaxy M40 has a much greater memory capacity for apps and games than Galaxy A21, and although they both have a slot for external memory cards that holds up to 512 GB, the Galaxy M40 also has 128 GB internal memory.
Samsung Galaxy A21 has just a little better hardware performance than Galaxy M40, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. The Galaxy M40 shoots much better videos and photos than Galaxy A21, because it has a back facing camera with much more megapixels, a larger camera aperture, a larger back camera sensor and a way higher 3840x2160 video resolution.
The Galaxy A21 features a bit better battery life than Samsung Galaxy M40, because it has a 4000mAh battery size against 3500mAh.
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