For now Huawei haven't published specification of upcoming Huawei Mate 20 and Mate 20 Pro. The only information that we received from company was that firm plans special event for 16th of October which will take place in London, where Huawei will present two new devices of its production. It's sure that both phones will be the first devices on market which will be equipped with Kirin 980 processor, and after TENAA certification we can say more about RAM memory and internal storage of all variants upcoming to the market.
Standard version, so Huawei Mate 20 will appear on market with 4GB of RAM plus 64GB/128GB/256GB of internal storage, 6GB of RAM plus 128GB/256GB/512GB of internal storage and 8GB of RAM plus 128GB/256GB/512GB of internal storage. Bigger "brother" named Huawei Mate 20 Pro will be launched in options with 6GB of RAM plus 256GB/512GB of internal storage and 8GB of RAM plus 128GB/256GB/512GB of internal storage. Huawei also plans to release Huawei Mate 20 Porsche Design. This variant will have the same options as Mate 20 apart from 4GB of RAM+64GB of internal storage and 6GB of RAM+128GB of internal storage configurations.