Compare phones
| Global Score | |
| 74.1 | 84.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 11 | Android 11, 10 |
| 2021-05-03 | 2020-03-23 |
| 6.30 x 2.89 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.10 ounces | 6.63 ounces |
| Cosmo Blue and Fluid Black | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 403 pixels per inch |
| 800 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 8.4 |
| Performance | |
| MediaTek Dimensity 800U MT6853 chipset | Exynos 9611 chipset |
| Cortex-A76, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Mali-G57 MC3 GPU | Mali-G72 MP3 GPU |
| 9.45 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.44 | 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, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4310mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 is better than the OPPO A94 5G, getting a general score of 84.1 against 74.1. Despite being the best in this review, the Samsung Galaxy M21 is an older, a bit heavier and somewhat thicker cellphone than OPPO A94 5G. Both phones in this comparison review use the same Android 11 operating system.
The OPPO A94 5G counts with a bit better performance than Samsung Galaxy M21, and although they both have 8 CPU cores, the OPPO A94 5G also has a higher amount of RAM memory. OPPO A94 5G has a little more vivid display than Samsung Galaxy M21, and although they both have a display with the same size, the OPPO A94 5G also has a lot brighter screen, a just a bit more pixels per inch of display and a slightly higher resolution of 1080 x 2400.
The Galaxy M21 features a bigger storage for applications and games than OPPO A94 5G, because although it has less internal storage capacity, it also counts with a slot for an SD memory card that admits up to 512 GB. The Galaxy M21 has a superior battery life than OPPO A94 5G, because it has a 39% larger battery size.
The Galaxy M21 counts with a little bit better camera than OPPO A94 5G, although it has a smaller diafragm aperture which is not so good for low-light photography and video, they both have the same camera sensor size, the same resolution camera in the back, the same 3840x2160 video quality and the same 30 frames per second video frame rate.
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