Compare phones
| Global Score | |
| 98.1 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 11, 9.0 Pie |
| 2021-01-29 | 2019-09-29 |
| 6.50 x 2.98 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 8.04 ounces | 6.63 ounces |
| Phantom black and Silver | Black, Blue and White |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 403 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 9611 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 108.00 MP + 40.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm focal length | 12.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 13.75 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S21 Ultra is much better than the Galaxy M30s, with a global score of 98.1 against 83.3. Galaxy S21 Ultra's design has the same thickness than the Galaxy M30s, but it's somewhat heavier. Both of these phones work with the same Android 11 OS, so you shouldn't see any difference in that aspect.
Samsung Galaxy S21 Ultra counts with a much more vibrant display than Galaxy M30s, because it has a better quantity of pixels per inch of display, a bit larger display and a higher resolution of 1440 x 3200 pixels. Galaxy S21 Ultra counts with a little bit better performance than Galaxy M30s, and although they both have 8 cores, the Galaxy S21 Ultra also has a greater amount of RAM.
Samsung Galaxy M30s counts with a quite bigger memory to store more apps and games than Samsung Galaxy S21 Ultra, because although it has only 64 GB internal memory, it also counts with a SD extension slot that admits a maximum of 512 GB. Samsung Galaxy M30s counts with greater battery performance than Samsung Galaxy S21 Ultra, because it has 6000mAh of battery capacity against 5000mAh.
The Galaxy S21 Ultra features a way better camera than Galaxy M30s, because it has a bigger diafragm aperture to take better photos and videos in poorly lited situations, a lot better video resolution, a much larger sensor shooting way higher quality videos and pictures and a much more MP back camera.
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