Nvidia GeForce RTX 3090 Ti rumoured to debut in January

Tipster points to a top-end GPU coming with Micron's 21Gbps-rated GDDR6X memory.

RTX 3090 Ti or Super

Chinese-language tech site Uniko’s Hardware published a rather bold Tweet on Monday, claiming to have inside information about the upcoming Nvidia GeForce RTX 3090 Ti (or will it be RTX 3090 Super?). The site claims that the upcoming halo GPU from the Nvidia Ampere refresh early next year is going to feature Micron’s latest and greatest graphics memory – 21Gbps GDDR6X.

Micron chips marked “MT61K512M32KPA-21U” were purportedly spotted by the source, hopefully with some thread connecting them to the unannounced king of the consumer Ampere hill. ComputerBase dug up some official Micron part numbering scheme guidance (see below), and you can clearly see the “-21U” section indicates that this will indeed be 21Gbps memory.

If one were to upgrade the existing RTX 3090 with such memory, you would boost the available bandwidth to 1,008GB/s from 936GB/s – about an eight per cent improvement. Add into the mix rumours that the refreshed halo card will come with more CUDA cores – up to a fully-enabled GA102 GPU complement of 10,752 CUDA cores – then you will have a monster 8K performer here. The amount of memory installed isn’t expected to go beyond the 24GB of the existing RTX 3090.

Comparison table via ComputerBase

Last but not least, with the boost in active CUDA cores and faster memory, the resulting graphics card TDP is expected to be significantly higher at as much as 450W. Nvidia should officially reveal its Ampere refresh graphics cards early next year.