Smartphone manufacturers continue to scale the dimensions of some of its components. Year after year we see more screens, batteries and, of course, also photographic sensors. Samsung now presents its largest sensor to date, the Isocell GN1.

The Samsung Isocell GN1 is a new sensor of ‘just’ 50 megapixels resolution. An amount that, by itself, does not stand out too much compared to its reference sensor so far in 2020. The 108 MP of its Isocell Bright HMX are more striking, except if we take into account an extra fact: the new sensor is bigger.

Isocell GN1, recovering high-speed autofocus

At least slightly, since with a 1 / 1.31 inch size It is positioned between 1 / 1.33 “from your HMX and 1 / 1.28” from the main sensor on board the Huawei P40. It has individual pixels of 1.2 microns in size, which can be added per binning pixel four by four. Thus, the effective resolution of this sensor will, under normal conditions, be 12.5 MP.


One of the great features of the Samsung Isocell GN1 is that it incorporates Dual Pixel technology, which divides each pixel into two halves to speed up focus by phase detection. It is, therefore and according to the Koreans, the first sensor that incorporates both Dual Pixel and the combined pixels.

In this way, Samsung responds to Huawei both in sensor size and individual pixels, as well as incorporating this already more than proven focusing technology. So, perhaps, you can say goodbye once and for all to the autofocus problems suffered on your Galaxy S20 Ultra. However, Huawei still came one step further with the combination a complete block of pixels, giving rise to your Octa PD.

This Dual Pixel provides focus for up to 100 million independent points. Even so, Samsung goes a step beyond this point, providing in this Isocell GN1 an algorithm capable of processing the information of each of these photodiodes to provide images scaled up to 100 MP.

In addition, this new sensor has features such as Smart-ISO, real-time HDR and directly integrated electronic stabilization. The sensor is also capable of capturing 8K resolution video up to 30 frames per second.

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