Compare phones
| Global Score | |
| 79.3 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.1 | Android 10 |
| 2015-08-13 | 2020-06-29 |
| 6.08 x 2.98 x 0.27 inches | 6.61 x 3.02 x 0.32 inches |
| 5.40 ounces | 6.81 ounces |
| Black, Gold and Gray | Black |
| Glass; metal | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 439.00 | $ 194.00 |
| Display / Screen | |
| 5.7 inches | 6.5 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 515 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.4 | 7.3 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Single-Core 2100 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| ARM Mali-T760 MP8 GPU | PowerVR GE8320 GPU |
| 8.46 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 9.84 |
| Camera | |
| 16.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.38 inches (1/2.6") 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 | -- |
| 10.01 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA, HSUPA, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.8 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 336 hours standby time 28 hours talk time | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S6 edge+ is a bit better than Galaxy A21, with a 79.3 score against 76.1. Both phones we are comparing here come with Android OS, but Galaxy S6 edge+ has 5.1 version while Galaxy A21 has Android 10. Even though the Galaxy S6 edge+ is much older than Galaxy A21, it's construction is extremely lighter and somewhat thinner.
The Galaxy A21 counts with just a bit better hardware performance than Galaxy S6 edge+, because although it has a smaller amount of RAM, it also counts with more processing cores. The Samsung Galaxy S6 edge+ counts with a way better looking screen than Galaxy A21, because although it has a little bit smaller screen, it also counts with a much higher display density and a way higher 2560 x 1440 resolution.
Galaxy S6 edge+ counts with a bit better camera than Galaxy A21, because although it has a tinier camera aperture, and they both have a 16 mega-pixels back-facing camera, the Galaxy S6 edge+ also counts with a bigger sensor taking more light and vivid colors and a way better video quality. Samsung Galaxy A21 has a way bigger storage capacity for applications, games, photos and videos than Galaxy S6 edge+, because although it has 0 less internal storage, it also counts with a SD memory slot that holds up to 512 GB.
The Samsung Galaxy A21 has better battery performance than Galaxy S6 edge+, because it has a 4000mAh battery capacity instead of 3000mAh.
Although Galaxy S6 edge+ is a better device, it is a lot more expensive than Samsung Galaxy A21, and it doesn't have such a good price and quality relation as the Samsung Galaxy A21. If you are trying to save a few dollars, you can buy Samsung Galaxy A21, and give up a couple features and specs, but you will get the most out of your savings.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.