As we all know that Google does not make hardware therefore must thanks LG for Nexus 5X and Huawei for Nexus 6P.
Let’s look into how these devices are different.
Nexus 6p is made up of meta anodized aluminum Unibody where as nexus 5X is made up of plastic with a matt finish it really look good when holded in hand. Nexus 5 camera is in the center and on the top where as Huawei camera is at the top of the device. Both the devices have fingerprint scanner on the rare side and logo of Nexus even.
Nexus 5X has a smaller screen as compared to Nexus 6p. On the other hand with small screen it even has a lower resolution too. Nexus 5X by LG has full HD panel while Nexus 6p by Huawei has super high resolution Quad HD AMOLED.
The device Nexus 5X by LG has Corning gorilla glass 3 where as device by Huawei Nexus 6p has corning Gorilla Glass 4.
Next is processor, on the basis of processor Nexus 5x has hexa core QUALCOMM snapdragon 808 processor accompanied with 1.8GHz where as Nexus 6P has second generation 810 octa core chip accompanied with 2GHz. LG Nexus 5X holds 2GB withDDR3 RAM where as Huawei Nexus 6P has of DDR4 RAM.
Both the devices has superfast battery charging option and at the same as Nexus 6p has higher processor therefore battery backup is even on higher side as compared to Nexus 5X.
Both the Nexus devices from different companies run on operating system of Vanilla Version of Android 6.0 marshmallow.
Primary camera of both the devices are same but the rare camera is different nexus 6p is on higher megapixels counted as 8 megapixels where as the other one Nexus 5x has 5 megapixels of rare camera which is also known as selfie camera.
As it is clear from above discussion that yes off course, Nexus 6p is a better device as compared to nexus 5X. Both the devices have latest features and the choice is of user which of they want to opt for. So what are you waiting for go for the one which you find best suitable to you.