Compare phones
| Global Score | |
| 73.5 | 76.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 14 | Android 10 |
| 2024-01-08 | 2020-06-29 |
| 6.47 x 3.00 x 0.37 inches | 6.61 x 3.02 x 0.32 inches |
| 7.80 ounces | 6.81 ounces |
| Black, Dark Blue and Light Brown | Black |
| Aluminum and Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3168 x 1440 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 512 pixels per inch | 270 pixels per inch |
| 4500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 750 GPU | PowerVR GE8320 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 50.00 MP + 32.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | -- |
| 0.64 inches (1/1.56") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 12.1 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A21 has a global score of 76.1, which is slightly better than the OPPO Find X7 Ultra's general score of 73.5. Although the Galaxy A21 is noticeably older than OPPO Find X7 Ultra, it's construction is somewhat thinner and lighter. Both of these phones have Android operating system, but the Galaxy A21 has the previous 10 version and OPPO Find X7 Ultra has Android 14 version.
Galaxy A21 features a much better processing power than OPPO Find X7 Ultra, because although it has 9 GB less RAM memory, it also counts with a higher number of faster cores. OPPO Find X7 Ultra has a lot better display than Galaxy A21, because it has a lot higher resolution of 1440 x 3168, a little bigger screen and a way better pixel number per inch of screen.
OPPO Find X7 Ultra features a greater camera than Galaxy A21, and although they both have a same size aperture, the OPPO Find X7 Ultra also has a much more MP camera, a much larger back camera sensor taking more light and vivid colors and a lot better (4K) video quality. OPPO Find X7 Ultra has a much bigger storage for applications and games than Galaxy A21, because although it has no SD extension slot, it also counts with more internal storage.
The OPPO Find X7 Ultra counts with better battery life than Galaxy A21, because it has a 25 percent greater battery capacity.
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