| Global Score | |
| 76 | 84.2 |
| Basic Information | |
| OnePlus | Apple |
| Android 11 | iOS 9.x |
| 2021-04-02 | 2015-09-09 |
| 6.30 x 2.92 x 0.34 inches | 6.23 x 3.07 x 0.29 inches |
| 6.77 ounces | 6.77 ounces |
| Arctic Sky, Astral Black and Winter Mist | Gold, Gray and Pink |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminium, Glass and Steel |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | $ 625.00 |
| Display / Screen | |
| 6.5 inches | 5.5 inches |
| 2400 x 1080 pixels | 1080 x 1920 pixels (Full HD) |
| AMOLED | IPS LCD |
| 405 pixels per inch | 401 pixels per inch |
| -- | 500 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 8.2 | 9.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Apple A9 APL1022 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | 64-bit Twister, 64-bit (Dual-Core 1840 MHz) processor |
| 8 GB RAM | 2 GB (1600 MHz) RAM |
| Adreno 660 GPU | PowerVR GT7600 (650 MHz) GPU |
| 9.63 | 9.81 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 5.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 23.00mm focal length | 29.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.33 inches (1/3") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.65 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), HSPA, HSUPA, EV-DO A, EDGE, GPRS, GSM and CDMA |
| Nano SIM | Nano SIM |
| 10.7 | 6.9 |
| Battery Life | |
| 4500mAh Battery | 2750mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| -- | 384 hours standby time 24 hours talk time |
| 6.32 | 4.72 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
IPhone 6s Plus is much better than OnePlus 9, getting an 84.2 score against 76. The iPhone 6s Plus design has the same weight than the OnePlus 9, but it's thinner. The iPhone 6s Plus counts with iOS 9.x OS, while OnePlus 9 counts with Android 11 OS. IPhone 6s Plus features just a little better processing power than OnePlus 9, because although it has 6 GB less RAM and lesser and slower cpu cores, it also counts with a 64-bit processing unit and a graphics processing unit.
The iPhone 6s Plus features a much better looking screen than OnePlus 9, although it has a little inferior quantity of pixels per inch in the display, a little bit smaller screen and a quite lower resolution of 1920 x 1080px. IPhone 6s Plus and OnePlus 9 count with quite similar memory capacity for applications and games, both of them have equal 128 GB internal storage capacity.
The OnePlus 9 captures way better videos and photos than iPhone 6s Plus, because it has a lot higher 7680x4320 video quality, a lot larger back-facing camera sensor providing a much higher image quality, a larger aperture and a lot higher 48 megapixels resolution back-facing camera. OnePlus 9 features a really longer battery performance than iPhone 6s Plus, because it has 4500mAh of battery capacity against 2750mAh.
Despite of being the best phone of the ones we are comparing, the iPhone 6s Plus is also a bit cheaper.
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