Compare phones
| Global Score | |
| 84.1 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 4.4.2 |
| 2020-03-23 | 2013-09-25 |
| 6.26 x 2.96 x 0.35 inches | 5.95 x 3.12 x 0.33 inches |
| 6.63 ounces | 5.93 ounces |
| Midnight blue and Raven black | Black, Pink and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 800 MSM8974 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Krait 400 (Quad-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G72 MP3 GPU | Adreno 330 GPU |
| 9.27 | 9 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDHC (up to 64 GB) external memory slot |
| 11.74 | 9.46 |
| Camera | |
| 48.00 MP + 20.00 MP | 13.00 MP + 2.00 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") 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 | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.57 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Micro SIM, Dual SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3200mAh Li - Ion Battery |
| Non-Removable Battery | Removable Battery |
| 7.52 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 is a bit better than Galaxy Note3, getting an 84.1 score against 77.7. Samsung Galaxy M21's body is way newer, but somewhat heavier and a bit thicker than Galaxy Note3. These phones come with Android operating system, but the Samsung Galaxy M21 has older 11 version and Galaxy Note3 has Android 4.4.2 version.
The Galaxy M21 has just a little better hardware performance than Samsung Galaxy Note3, because it has more RAM memory and more 2.3 GHz CPU cores. Galaxy M21 features a bit more vivid display than Samsung Galaxy Note3, because it has a little bit greater amount of pixels per inch in the screen, a little larger screen and a quite better resolution of 1080 x 2340 pixels.
Galaxy M21 counts with a much greater memory capacity for apps and games than Samsung Galaxy Note3, and although they both have the same 64 GB internal memory capacity, the Galaxy M21 also has a slot for external memory cards that allows up to 512 GB. Samsung Galaxy M21 has a very superior battery performance than Galaxy Note3, because it has 6000mAh of battery capacity.
The Samsung Galaxy M21 shoots greater videos and photos than Samsung Galaxy Note3, and although they both have the same 3840x2160 (4K) video resolution and the same video frame rates, the Samsung Galaxy M21 also has a much larger back-facing camera sensor taking way higher quality pictures, a larger diafragm aperture and a way higher resolution back facing camera.
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