Compare phones
| Global Score | |
| 76.1 | 77.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-29 | 2014-09-29 |
| 6.61 x 3.02 x 0.32 inches | 6.04 x 3.09 x 0.33 inches |
| 6.81 ounces | 6.21 ounces |
| Black | Black, Gold, Pink and White |
| Plastic and Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 1600 x 720 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 515 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.6 |
| Performance | |
| Mediatek Helio P35 chipset | Samsung Exynos 7 Octa 5433 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 20 nm (Octa-Core 1900 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| PowerVR GE8320 GPU | Mali-T760 MP6 GPU |
| 9.27 | 9 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 9.84 | 8.12 |
| Camera | |
| 16.00 MP + 13.00 MP | 16.00 MP + 3.70 MP |
| f/1.80 aperture | f/2.20 aperture |
| -- | 31.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 9.35 | 9.9 |
| 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 | Micro SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3220mAh Li - Ion Battery |
| Non-Removable Battery | Removable Battery |
| 5.92 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1, EDR |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy Note4 has a general score of 77.6, which is slightly better than the Galaxy A21's 76.1 overall score. Samsung Galaxy Note4 is a incredibly older and just a little bit thicker phone than Galaxy A21, but Samsung managed to build it a little bit lighter anyway. The Galaxy Note4 features a much better screen than Galaxy A21, because although it has a bit smaller display, it also counts with a much higher display pixel density and a way higher 1440 x 2560px resolution.
The Galaxy A21 has a much bigger storage capacity for applications and games than Samsung Galaxy Note4, and although they both have equal 32 GB internal memory capacity, the Galaxy A21 also has a SD memory slot that holds a maximum of 512 GB. The Galaxy A21 has just a bit better performance than Galaxy Note4. They have 8 processing cores and the same RAM memory amount.
The Samsung Galaxy Note4 counts with a slightly better camera than Galaxy A21, because although it has a smaller camera aperture, and they both have a 16 mega pixels resolution camera, the Samsung Galaxy Note4 also counts with a bigger camera sensor capturing better quality videos and pictures and a much higher 3840x2160 (4K) video quality.
The Samsung Galaxy A21 has improved battery lifetime than Samsung Galaxy Note4, because it has a 24 percent more battery capacity.
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