Sony Mobile Unveils Groundbreaking Camera Sensor in Xperia 1 V and Xperia 5 V
In a bold move, Sony Mobile has released its flagship products of the year, the Xperia 1 V and Xperia 5 V. While both models share similarities with their predecessors, the standout feature is undoubtedly their main camera sensor.
Introducing the new Exmor-T (IMX888) sensor, Sony has significantly improved the low-light performance of the camera. Users can expect stunning results even in dark environments, thanks to this impressive upgrade.
Interestingly, Apple’s latest model, the iPhone 15/15 Plus, also incorporates Sony’s dual-layer transistor CMOS image sensor in its camera. However, it is worth noting that the size of the sensor is slightly smaller in the iPhone.
Despite both sensors falling under the category of a “2-layer stacked pixel transistor CMOS image sensor,” there are distinct differences between the two. On closer inspection, it becomes apparent that the structures of these sensors vary significantly, enhancing their unique capabilities.
The IMX888 sensor for Xperia 1 V:
- Distinctive rectangular photodiode
The dual-layer transistor pixel stacked CMOS image sensor for iPhone 15:
- Photodiode size almost twice as thick as Xperia 1 V’s
While the exact implications of these differences may not be fully understood by amateurs, it is clear that the variation in photodiode size will impact the quality and size of photos captured by the two devices.
In an official video, Sony explains that the image quality, particularly in terms of dynamic range, relies on the amount of light accumulated by the photodiode. With this in mind, the two-layer transistor pixel sensor offers an extraordinary advantage, providing twice as much saturation signal compared to conventional structures.
Given that the IMX888 sensor in the Xperia 1 V is larger than the one found in the iPhone 15, it is intriguing to consider the potential for better dynamic range in Apple’s device due to its larger photodiode.
While it is difficult to make definitive statements without extensive testing, the disparity in sensor sizes does raise questions about the comparative capabilities of the two smartphones’ camera systems.
As more information becomes available, experts in the field are urged to contribute their insights and corrections to deepen our understanding of these groundbreaking developments in mobile camera technology.
Source: TechInsight via Tweet
Among the flagship products of Sony Mobile this year, the Xperia 1 V and Xperia 5 V.
Besides the chipset, the main evolution from the previous model that is common to both models is the main camera sensor.
With the new Exmor-T (IMX888), it is certain that the performance of the camera in dark places has improved a lot.
On the other hand, Apple’s latest model, iPhone 15/15 Plus, also uses Sony’s dual-layer transistor CMOS image sensor, although the size of the sensor is smaller.
Is this a similar sensor to the IMX888 installed in the Xperia 1 V/5 V? It is also said that
However, this time, even with the same “2-layer stacked pixel transistor CMOS image sensor”The structures of these two sensors are very differentIt turns out that.
IMX 888 for Xperia 1V↓
iPhone 15 dual-layer transistor pixel stacked CMOS image sensor↓
I can see that they look completely different, but to be honest, as an amateur, I don’t really understand what the difference is.
However, there seems to be no doubt that the long rectangular part in the middle is the photodiode, and you can see that the iPhone 15 is almost twice as thick as the Xperia 1 V’s.
If this part is photodid and the width and depth are the same,There is a big difference in the size of the photos between the two.that is.
In the official video introducing this dual-layer transistor CMOS image sensor technology, Sony states that the quality of the image in the dynamic range is “determined by the amount of light accumulated by the photodiode.”
The selling point of this two-layer transistor pixel sensor is that it can now ensure twice the amount of the saturation signal compared to the conventional structure.
The sensor size of the IMX888 that the Xperia 1 V has is larger than that of the iPhone 15, so I can’t say for sure, but what do you think?
Does this mean that the iPhone 15’s camera sensor, which has a larger photodiode, can theoretically shoot in better dynamic range?
If anyone knows more about this, I would appreciate it if you could provide any corrections or additions.
Source: TechInsight via Tweet
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