Compare phones
| Global Score | |
| 98.1 | 85.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | -- |
| 2021-01-29 | 2018-11-15 |
| 6.50 x 2.98 x 0.35 inches | 6.40 x 3.03 x 0.31 inches |
| 8.04 ounces | 6.46 ounces |
| Phantom black and Silver | Bubblegum pink, Caviar black and Lemonade blue |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Glass and Metal |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 3200 x 1440 pixels | 2220 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 516 pixels per inch | 392 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 512 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 108.00 MP + 40.00 MP | 24.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | 27.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.36 inches (1/2.8") 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 | -- |
| 13.75 | 10.45 |
| 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 | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.76 |
| 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 has a general score of 98.1, which is better than the Galaxy A9 (2018)'s global score of 85.2. Galaxy S21 Ultra is a notably newer cellphone than Galaxy A9 (2018), although it is heavier and thicker. Galaxy S21 Ultra counts with a bit better processing power than Galaxy A9 (2018), and although they both have 8 cores, the Galaxy S21 Ultra also has a higher amount of RAM memory.
Galaxy S21 Ultra features an incredibly better looking screen than Samsung Galaxy A9 (2018), because it has a higher resolution of 1440 x 3200px, a better quantity of pixels per inch in the display and a little bigger display. The Samsung Galaxy A9 (2018) counts with a very superior memory capacity to install applications and games than Samsung Galaxy S21 Ultra, and although they both have exactly the same internal storage capacity, the Samsung Galaxy A9 (2018) also has an external SD slot that admits up to 512 GB.
The Samsung Galaxy S21 Ultra has greater battery performance than Samsung Galaxy A9 (2018), because it has 5000mAh of battery capacity instead of 3800mAh. Galaxy S21 Ultra shoots a lot better photographs and videos than Galaxy A9 (2018), because although it has a tinier aperture which is not nice for capturing photographs in poorly lited environments, it also counts with a much bigger sensor taking much better quality videos and photos, a way more mega pixels camera and a way higher 7680x4320 video quality.
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