Reading the CPU numbers to understand which is faster

Hi,

How do I tell which phone is faster by looking at the CPU numbers of android smartphones?

For example, below I have listed 6 different phones and I'm trying to work out which one is faster.

Thanks a lot.


Chipset Qualcomm MSM8994 Snapdragon 810
CPU Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)

Chipset Qualcomm MSM8956 Snapdragon 650
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)

Chipset Exynos 7578
Qualcomm MSM8916 Snapdragon 410
CPU...

Reading the CPU numbers to understand which is faster

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