Compare phones
| Global Score | |
| 84.2 | 85.5 |
| Basic Information | |
| Apple | Samsung |
| iOS 9.x | Android 11, 10 |
| 2015-09-09 | 2019-12-27 |
| 6.23 x 3.07 x 0.29 inches | 6.24 x 2.90 x 0.31 inches |
| 6.77 ounces | 6.07 ounces |
| Gold, Gray and Pink | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminium, Glass and Steel | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 625.00 | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 500 cd/m2 brightness | -- |
| Capacitive, Multi-touch | No touch screen |
| 9.4 | 8.1 |
| Performance | |
| Apple A9 APL1022 chipset | Samsung Exynos 9611 chipset |
| 64-bit Twister, 64-bit (Dual-Core 1840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (1600 MHz) RAM | 4 GB RAM |
| PowerVR GT7600 (650 MHz) GPU | Mali-G72 MP3 GPU |
| 9.81 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 29.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.68 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA, HSUPA, EV-DO A, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.9 | 6.7 |
| Battery Life | |
| 2750mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 384 hours standby time 24 hours talk time | -- |
| 4.72 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A51 has a general score of 85.5, which is a little bit better than the Apple iPhone 6s Plus's 84.2 overall score. Samsung Galaxy A51 works with Android 11 operating system, while Apple iPhone 6s Plus has iOS 9.x operating system. Samsung Galaxy A51's construction is newer and somewhat lighter, but also a bit thicker than the Apple iPhone 6s Plus.
The Apple iPhone 6s Plus features a sharper screen than Galaxy A51, although it has a little smaller screen, a quite inferior pixel quantity in each screen inch and a quite lower 1920 x 1080 resolution. The Apple iPhone 6s Plus counts with a bit faster processing unit than Samsung Galaxy A51, because although it has a lower amount of RAM and an inferior number of cores and they are also slower, it also counts with a graphics co-processor and a 64-bit CPU.
The Galaxy A51 shoots much clearer photos and videos than Apple iPhone 6s Plus, and although they both have the same (4K) video definition and the same 30 fps video frame rate, the Galaxy A51 also has a bigger diafragm aperture, a back camera with way more mega-pixels and a lot larger back-facing camera sensor which gives a much better photo and video quality.
The Galaxy A51 counts with a much bigger memory to install applications and games or saving photos and videos than iPhone 6s Plus, and although they both have exactly the same 128 GB internal memory, the Galaxy A51 also has a SD memory card expansion slot that allows a maximum of 512 GB. Galaxy A51 counts with a way better battery duration than iPhone 6s Plus, because it has 4000mAh of battery capacity against 2750mAh.
Despite of being the best phone in our comparison, the Samsung Galaxy A51 is also very cheap compared to the other ones.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.