| Global Score | |
| 81.2 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0, 4.4.4, 4.4, 4.3 | Android 10 |
| 2013-09-04 | 2020-06-29 |
| 5.95 x 3.12 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 5.93 ounces | 6.81 ounces |
| Black, Pink and White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 265.00 | $ 194.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 386 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | Mediatek Helio P35 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSD, microSDHC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.46 | 9.84 |
| Camera | |
| 13.00 MP + 2.00 MP | 16.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 31.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.68 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 528 hours standby time 25 hours talk time | -- |
| 5.2 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy Note 3 has a global score of 81.2, which is slightly better than the Galaxy A21's 76.1 score. Both phones in this comparison review have Android operating system, but the Samsung Galaxy Note 3 has 5.0 version while Galaxy A21 has Android 10 version. Despite of the fact the Samsung Galaxy Note 3 is noticeably older and just a little bit thicker than the Galaxy A21, it's design is still lighter.
Samsung Galaxy A21 and Galaxy Note 3 feature really similar CPUs, because although the Samsung Galaxy A21 has doesn't have an extra graphics processor, and they both have 3 GB of RAM, it also counts with a higher number of cores. Galaxy Note 3 has a way better display than Galaxy A21, because although it has a little smaller screen, it also counts with a higher quantity of pixels per inch of display and a higher resolution of 1920 x 1080 pixels.
The Samsung Galaxy Note 3 takes a little bit better photographs and videos than Galaxy A21, because although it has a camera with less mega-pixels and a tinier aperture, and they both have a same size sensor, the Samsung Galaxy Note 3 also counts with a much better 3840x2160 (4K) video resolution. Samsung Galaxy A21 has a bit bigger storage to install applications and games than Galaxy Note 3, because although it has 0 less internal storage, it also counts with a SD card slot that allows up to 512 GB.
Galaxy A21 counts with greater battery duration than Galaxy Note 3, because it has a 4000mAh battery capacity against 3200mAh.
The Samsung Galaxy Note 3 costs more money than Galaxy A21, but you can get a better phone for that extra dollars.
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