Google's Pixel series is just a few months old, but rumours have started spreading about the next generation models.

The latest speculation suggests there could be significant upgrades over the existing ones.

The handset dubbed Pixel 2 is reportedly undergoing tests with improved chipsets from two different manufacturers, hinting at a premium-tier device with a higher price tag, reveals 9to5Google based on its source.

Multiple Pixel 2 models are being tested with an improved mobile processor, "some with Snapdragon 83X, others with Intel chips", the source said.

Google was previously reported to be developing "a custom chipset for a test device", but it is still unclear whether the chipset would be part of the upcoming Pixel 2.

The camera is an aspect on which Google seems to be focusing more.

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