Compare phones
| Global Score | |
| 76.1 | 88.1 |
| Basic Information | |
| Samsung | Apple |
| Android 10 | -- |
| 2020-06-29 | 2017-11-03 |
| 6.61 x 3.02 x 0.32 inches | 5.65 x 2.79 x 0.30 inches |
| 6.81 ounces | 6.14 ounces |
| Black | Silver and Space gray |
| Plastic and Plastic | Glass and Stainless steel |
| -- | Scratch-Resistant Glass |
| $ 194.00 | $ 1149.00 |
| Display / Screen | |
| 6.5 inches | 5.8 inches |
| 1600 x 720 pixels | 2436 x 1125 pixels |
| IPS LCD | OLED |
| 270 pixels per inch | 463 pixels per inch |
| -- | 625 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.9 |
| Performance | |
| Mediatek Helio P35 chipset | Apple A11 Bionic APL1W72 (10 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | 64-bit Monsoon and Mistral, 64-bit (Hexa-Core 2390 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| PowerVR GE8320 GPU | Apple 3-core GPU GPU |
| 9.27 | 10.17 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 13.3 |
| Camera | |
| 16.00 MP + 13.00 MP | 12.00 MP + 7.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 28.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.33 inches (1/3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.35 | 10.12 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 2716mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 4.72 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Apple iPhone X is much better than Galaxy A21, having an 88.1 score against 76.1. Although the Apple iPhone X is way older than Galaxy A21, it's design is a bit lighter and a bit thinner. Apple iPhone X features an incredibly better looking screen than Galaxy A21, because although it has a little smaller screen, it also counts with a way higher pixel number per inch of display and a lot better resolution of 1125 x 2436.
The iPhone X features just a bit better performance than Galaxy A21, because although it has an inferior number of cores (although they are faster), and they both have 3 GB of RAM, the iPhone X also counts with a 64-bits CPU. The iPhone X counts with a much greater memory capacity for apps and games than Galaxy A21, because although it has no SD memory slot, it also counts with more internal storage capacity.
Galaxy A21 features a very superior battery lifetime than Apple iPhone X, because it has 4000mAh of battery capacity. The iPhone X shoots just a bit better pictures and videos than Galaxy A21, because although it has a lot less mega pixels resolution back camera, and they both have a F1.8 aperture, the iPhone X also counts with a much better 3840x2160 (4K) video quality and a larger back-facing camera sensor shooting higher quality videos and photographs.
Although Apple iPhone X is a better device, it is way more expensive than the Galaxy A21, and it doesn't have such a good quality/price relation as the Galaxy A21. So if you need that extra specs and features, you can buy the Apple iPhone X, otherwise you can save some money and get the Galaxy A21, resigning a couple specs and features.
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