Compare phones
| Global Score | |
| 85 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie | Android 11 |
| 2019-06-18 | 2021-01-29 |
| 6.11 x 2.91 x 0.31 inches | 5.97 x 2.80 x 0.31 inches |
| 5.93 ounces | 6.03 ounces |
| Midnight blue and Seawater blue | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.3 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Dynamic AMOLED |
| 409 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 675 SM6150 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 460, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 612 GPU | Adreno 660 GPU |
| 9.18 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 32.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 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 | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 has a general score of 91.8, which is just a bit better than Samsung Galaxy M40's 85 score. These phones come with Android OS (Operating System), but Galaxy S21 has a newer 11 version and Samsung Galaxy M40 has Android 10. The Galaxy S21 design has the same thickness than Samsung Galaxy M40, but it's just a bit heavier.
The Galaxy S21 has a much better display than Galaxy M40, because although it has a quite smaller display, it also counts with a little higher 1080 x 2400 resolution and a little bit better pixels density. The Galaxy M40 has a much better memory to store more apps and games than Galaxy S21, and although they both have exactly the same 128 GB internal memory capacity, the Galaxy M40 also has a SD memory slot that allows up to 512 GB.
Samsung Galaxy S21 has a little better performance than Samsung Galaxy M40, and although they both have the same number of cores, the Samsung Galaxy S21 also has more RAM. The Samsung Galaxy S21 counts with a camera that's just as good as Samsung Galaxy M40's camera, because although the Samsung Galaxy S21 has a smaller diafragm aperture and a back camera with much less mega-pixels resolution, it also counts with a much bigger sensor shooting way higher quality photographs and a lot better 7680x4320 video definition.
The Galaxy S21 counts with a little longer battery lifetime than Galaxy M40, because it has a 4000mAh battery capacity.
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