Google phones tend to use whatever the current high end SoC is. So when you see the same SoC scoring lower in a Google phone than on everyone else's phone is it

Google phones tend to use whatever the current high end SoC is. So when you see the same SoC scoring lower in a Google phone than on everyone else's phone is it really that the processor is slower, or is it just that Google/AOSP doesn't engage in benchmark detection and you're seeing the true performance of the SoC as a result?