Compare phones
| Global Score | |
| 85.2 | 98.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11 |
| 2018-11-15 | 2021-01-29 |
| 6.40 x 3.03 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| 6.46 ounces | 8.04 ounces |
| Bubblegum pink, Caviar black and Lemonade blue | Phantom black and Silver |
| Glass and Metal | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2220 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 392 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 512 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 24.00 MP + 24.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | 24.00mm focal length |
| 0.36 inches (1/2.8") 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 (960 fps) (HD) slow motion video |
| 10.45 | 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 | |
| 3800mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.76 | 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
The Samsung Galaxy S21 Ultra is better than Galaxy A9 (2018), having a 98.1 score against 85.2. Samsung Galaxy S21 Ultra's design is way newer than Galaxy A9 (2018)'s, but it is somewhat heavier and somewhat thicker. Galaxy S21 Ultra features a little faster processing unit than Galaxy A9 (2018), and although they both have the same number of cores, the Galaxy S21 Ultra also has a larger amount of RAM.
Samsung Galaxy S21 Ultra counts with an incredibly better screen than Galaxy A9 (2018), because it has a higher 1440 x 3200 resolution, more pixels per inch in the screen and a quite larger display. The Galaxy S21 Ultra features a way better camera than Galaxy A9 (2018), because although it has a tinier diafragm aperture which is not recommended for low light photography, it also counts with a way larger camera sensor, a much higher video quality and a lot more megapixels camera.
Samsung Galaxy A9 (2018) has a lot bigger storage to install applications and games or saving photos and videos than Samsung Galaxy S21 Ultra, and although they both have the same internal storage capacity, the Samsung Galaxy A9 (2018) also has a SD memory slot that supports a maximum of 512 GB. The Galaxy S21 Ultra features greater battery performance than Samsung Galaxy A9 (2018), because it has a 5000mAh battery capacity against 3800mAh.
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