| Global Score | |
| 86.3 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 12 | Android 11 |
| -- | 2021-01-29 |
| 6.51 x 3.03 x 0.37 inches | 6.50 x 2.98 x 0.35 inches |
| 6.98 ounces | 8.04 ounces |
| Blue, Brown and Green | Phantom black and Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.6 inches | 6.8 inches |
| 2408 x 1080 pixels | 3200 x 1440 pixels |
| LCD | Dynamic AMOLED |
| 400 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| Exynos 1280 (5 nm) chipset | Qualcomm Snapdragon 888 chipset |
| Octa-Core 2400 MHz processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Mali-G68 GPU | Adreno 660 GPU |
| 9.36 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.35 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Galaxy S21 Ultra is much better than Galaxy M33, getting a 98.1 score against 86.3. Both of these devices work with Android OS (operating system), but the Galaxy S21 Ultra has the older 11 version while Galaxy M33 has Android 12. The Galaxy S21 Ultra construction is a little thinner but heavier than the Galaxy M33.
Galaxy S21 Ultra features a lot better screen than Galaxy M33, because it has a bit larger display, a higher 1440 x 3200px resolution and a higher amount of pixels per inch of display. Galaxy S21 Ultra has as much memory to install applications and games as Galaxy M33, both have equal internal memory.
The Samsung Galaxy S21 Ultra has a bit superior processor than Samsung Galaxy M33, and although they both have 8 cpu cores, the Samsung Galaxy S21 Ultra also has more RAM. Galaxy S21 Ultra takes way better photographs and videos than Samsung Galaxy M33, and although they both have a same size camera aperture, the Galaxy S21 Ultra also has a way better resolution back facing camera.
The Galaxy S21 Ultra has a battery duration that's very similar to the battery performance in Galaxy M33.
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