Compare phones
| Global Score | |
| 83.3 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 9.0 Pie | Android 11 |
| 2019-09-29 | 2021-01-29 |
| 6.26 x 2.96 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 6.63 ounces | 8.04 ounces |
| Black, Blue and White | Phantom black and Silver |
| Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 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 | |
| 48.00 MP + 16.00 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 12.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") 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 |
| 11.44 | 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 | |
| 6000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 Ultra has an overall score of 98.1, which is much better than the Galaxy M30s's 83.3 score. Both of these phones include the same Android 11 OS. The Galaxy S21 Ultra construction has the same thickness than the Galaxy M30s, but it's heavier. Galaxy S21 Ultra features just a bit better performance than Samsung Galaxy M30s, and although they both have 8 cores, the Galaxy S21 Ultra also has a higher amount of RAM.
Galaxy S21 Ultra features a much sharper screen than Galaxy M30s, because it has a quite bigger screen, a higher screen density and a higher 1440 x 3200px resolution. The Galaxy M30s has a bigger memory to store more apps and games than Galaxy S21 Ultra, because although it has just 64 GB internal memory, it also counts with a SD extension slot that supports a maximum of 512 GB.
The Galaxy M30s features superior battery duration than Galaxy S21 Ultra, because it has a 6000mAh battery size. Galaxy S21 Ultra takes way better photos and videos than Galaxy M30s, because it has a much better video quality, a back facing camera with lot more mega-pixels, a larger aperture and a way bigger back-facing camera sensor which gives a much higher photo and video quality.
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