The Xiaomi Mi A1 is the worst offender as per the numbers, clocking 1.75 watts per kilogram of radiation.
The second spot was taken by last year's OnePlus 5T reaching 1.68 watts per kilogram.
The latest and greatest smartphone from OnePlus, the new 6T is also guilty of emitting the most radiation scoring 1.55 on the scale.
Next in line is Google's Pixel 3XL scoring 1.39 watts per kilogram of radiation.
Yet again, we have a OnePlus device. This time it is the OnePlus 5 which was neck-to-neck with the Pixel 3 XL at 1.39 watts per kilogram of radiation.