Compare phones
| Global Score | |
| 84.1 | 98 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 13, 12, 11, 10 |
| 2020-03-23 | 2020-03-06 |
| 6.26 x 2.96 x 0.35 inches | 6.57 x 2.99 x 0.35 inches |
| 6.63 ounces | 7.83 ounces |
| Midnight blue and Raven black | Cosmic black and Cosmic grey |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 6) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 1400.00 |
| Display / Screen | |
| 6.4 inches | 6.9 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 509 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.7 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 865 SM8250 (7 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 650 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 48.00 MP + 20.00 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 13.42 |
| 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 | |
| 6000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S20 Ultra 5G is much better than the Galaxy M21, having a overall score of 98 against 84.1. These devices have Android OS, but the Samsung Galaxy S20 Ultra 5G has a newer 13 version while Galaxy M21 has Android 11 version. The Samsung Galaxy S20 Ultra 5G is a somewhat heavier phone than Galaxy M21, but both have the same thickness.
The Samsung Galaxy S20 Ultra 5G features a bit better CPU than Samsung Galaxy M21, and although they both have a Octa-Core processing unit, the Samsung Galaxy S20 Ultra 5G also has a larger amount of RAM memory. Galaxy S20 Ultra 5G has a bit more vivid screen than Samsung Galaxy M21, because it has a higher resolution of 1440 x 3200px, a higher screen density and a quite bigger display.
Galaxy S20 Ultra 5G features a superior camera than Samsung Galaxy M21, and although they both have the same camera sensor size, the Galaxy S20 Ultra 5G also has a bigger camera aperture for better low-light photos and video, a back-facing camera with a way better resolution and a much better video resolution.
Samsung Galaxy S20 Ultra 5G has a lot bigger memory to install applications and games than Samsung Galaxy M21, because it has an external SD slot that holds a maximum of 1000 GB and 128 GB internal memory capacity. Galaxy M21 counts with superior battery lifetime than Samsung Galaxy S20 Ultra 5G, because it has a 20% bigger battery size.
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