Compare phones
| Global Score | |
| 75.6 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11, 10 |
| -- | 2020-03-23 |
| -- | 6.26 x 2.96 x 0.35 inches |
| -- | 6.63 ounces |
| -- | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass Victus 2) | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2640 x 1080 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 426 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8550-AC (4 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 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 | |
| 12.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 6.93 | 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 | |
| 4000mAh 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 the Samsung Galaxy Z Flip 6, getting an 84.1 score against 75.6. Both phones in our current comparison work with Android OS (operating system), but the Samsung Galaxy M21 has older 11 version while Samsung Galaxy Z Flip 6 has Android 14 version. The Galaxy M21 has a much greater processing power than Galaxy Z Flip 6, although it has lesser RAM memory, they both have 8 cpu cores.
The Samsung Galaxy M21 counts with a much better screen than Samsung Galaxy Z Flip 6, although it has a bit worse 1080 x 2340 resolution, a quite lower pixels density and a little smaller display. Galaxy M21 shoots a lot better photographs and videos than Galaxy Z Flip 6, because it has a back camera with a way higher resolution.
The Galaxy Z Flip 6 counts with a better memory capacity to install applications and games than Galaxy M21, because although it has no SD memory slot, it also counts with 256 GB internal storage capacity. Galaxy M21 counts with a way better battery life than Galaxy Z Flip 6, because it has a 50 percent larger battery size.
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