Compare phones
| Global Score | |
| 72.1 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 15 | Android 11, 10 |
| -- | 2020-03-23 |
| -- | 6.26 x 2.96 x 0.35 inches |
| -- | 6.63 ounces |
| -- | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| -- | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| -- | 403 pixels per inch |
| 2600 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 4.8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Elite for Galaxy SM8750-AB SM8750-AB (3 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 830 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 + 10.00 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 (1/1.57") sensor | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.12 | 11.55 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| 5G, 5G, LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 is better than Galaxy Z Flip 7 (Rumored), getting an 84.1 score against 72.1. Both of these phones have Android OS (Operating System), but Samsung Galaxy M21 has an older 11 version while Galaxy Z Flip 7 (Rumored) has Android 15. The Galaxy M21 counts with a much powerful processing unit than Galaxy Z Flip 7 (Rumored), although it has a smaller amount of RAM memory, they both have the same number of cores.
The Samsung Galaxy M21 features a much better looking display than Galaxy Z Flip 7 (Rumored), although it has a lot darker screen and a quite smaller screen. Galaxy Z Flip 7 (Rumored) features a greater storage for games and applications than Galaxy M21, because although it has no external SD slot, it also counts with 256 GB internal storage capacity.
The Galaxy M21 captures better photos and videos than Galaxy Z Flip 7 (Rumored), although it has a back facing camera with less megapixels, a smaller aperture and a way smaller sensor. The Samsung Galaxy M21 counts with a really longer battery duration than Galaxy Z Flip 7 (Rumored), because it has 6000mAh of battery capacity instead of 4000mAh.
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