Anders_ASUSAlso newer OnePlus models have SDM855+ so let's cut the phone some slack here. It's a pretty fast phone
You have to wait for Antutu to release official V8 numbers. Until then you will see all kind of strange results.
It's also worth knowing that there are many factors that add to the Antutu score and not all of them make any real difference in real games. AS a manufacturer you can optimize your hardware to run better with specific apps. I'm not talking about overclocking but optimizing the code. Some manufacturers does this more than others but it won't make any real difference to the end users. In the end it's just a number if it doesn't represent real performance.