Compare phones
| Global Score | |
| 78.9 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie, 8.1 Oreo | Android 11 |
| 2019-02-05 | 2021-01-29 |
| 6.16 x 2.93 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 6.56 ounces | 8.04 ounces |
| Charcoal black and Ocean blue | Phantom black and Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 409 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.8 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G71 MP2 GPU | Adreno 660 GPU |
| 8.91 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 13.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 12.00mm focal length | 24.00mm focal length |
| 0.32 inches (1/3.1") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 13.75 |
| 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, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
Galaxy S21 Ultra is way better than Galaxy M20, with a score of 98.1 against 78.9. Both of these phones come with Android OS (Operating System), but the Galaxy S21 Ultra has a newer 11 version and Galaxy M20 has Android 10. Galaxy S21 Ultra is a heavier phone than the Galaxy M20, but they have the same thickness.
The Galaxy S21 Ultra features a bit better hardware performance than Galaxy M20, and although they both have a Octa-Core CPU, the Galaxy S21 Ultra also has 8 GB more RAM memory. Galaxy S21 Ultra has a way better display than Galaxy M20, because it has a bit larger screen, a higher 1440 x 3200 resolution and a better pixel density.
Galaxy M20 features a better storage capacity to store more apps and games than Samsung Galaxy S21 Ultra, because although it has 0 less internal storage capacity, it also counts with a SD memory slot that supports up to 512 GB. The Samsung Galaxy S21 Ultra and Galaxy M20 count with extremely similar batteries duration.
Galaxy S21 Ultra features a way better camera than Samsung Galaxy M20, because it has a way larger sensor, a larger diafragm aperture to capture better images in poorly lited environments, a much higher video definition and a lot better 108 megapixels resolution camera in the back.
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