Compare phones
| Global Score | |
| 73.5 | 84.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 14 | Android 11, 10 |
| 2024-01-08 | 2020-03-23 |
| 6.47 x 3.00 x 0.37 inches | 6.26 x 2.96 x 0.35 inches |
| 7.80 ounces | 6.63 ounces |
| Black, Dark Blue and Light Brown | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3168 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 512 pixels per inch | 403 pixels per inch |
| 4500 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 750 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 11.55 |
| 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, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 has a score of 84.1, which is better than the OPPO Find X7 Ultra's 73.5 overall score. The Samsung Galaxy M21 is an notably older cellphone than OPPO Find X7 Ultra, but Samsung managed to build it somewhat lighter and just a little bit thinner anyway. Both of these phones work with Android OS (operating system), but Samsung Galaxy M21 has 11 version while OPPO Find X7 Ultra has Android 14 version.
OPPO Find X7 Ultra counts with a much more vibrant screen than Galaxy M21, because it has way more brightness, a bit larger screen, a greater count of pixels per screen inch and a higher 1440 x 3168 resolution. The Galaxy M21 features a lot better processing power than OPPO Find X7 Ultra, because although it has less RAM memory, it also counts with a higher number of cores.
OPPO Find X7 Ultra takes a little bit better videos and photos than Samsung Galaxy M21, and although they both have the same video resolution, the OPPO Find X7 Ultra also has a lot bigger back camera sensor capturing more light and vivid colors, faster 60 frames per second video frame rate, a larger camera aperture for better photography and video in low light environments and a better resolution back-facing camera.
The OPPO Find X7 Ultra counts with a greater memory capacity to store more apps and games than Galaxy M21, because although it has no external memory card slot, it also counts with 256 GB internal memory. Samsung Galaxy M21 features improved battery life than OPPO Find X7 Ultra, because it has a 20 percent bigger battery size.
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