The Mate 20 X was a bit of a niche phone, but the P30 Pro is more mainstream one (even though it is quite expensive at around $1,200). Besides the graphene cooling film, the P30 Pro sports a 6.47" 1080x2340 flexible AMOLED display, an under-the-display fingerprint sensor, a Kirin 980 chipset, 6/8 GB of RAM, 64/128/256/512 GB of storage a Nano Memory card slot and a high-end quad-camera setup.
China-based The Sixth Element Materials was the supplier of the graphene film for Huawei's Mate 20 X, it is highly likely that it is also supplying the films for the P30 Pro.
Source: GSM Arena Tags:Graphene thermal conductivityGraphene products