Which One Is Faster? iQOO 9 Pro or iQOO 8 Pro

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Introduction
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iQOO 9 Pro can support vivo flash charge and up to 120W.
And as we know, the previous generation, iQOO 8 Pro can also support 120W charging.
So, is there any improvement on charging speed of iQOO 9 Pro?
Let's test it.

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