Fully-functional RTX 3070 16GB is Frankensteined into existence by harvesting dead PCBs and RX 6800 XT's VRAM chips — doubles frame rate in games like Spider-Man 2 at 4K and includes a switch for 8GB mode

A hobbyist modded an RTX 3070 to run with 16GB of VRAM by transplanting GDDR6 chips from dead Nvidia and AMD cards.

The card can switch between 8GB and 16GB modes, and a registry tweak helped fix earlier stability and black-screen issues.

In VRAM-heavy games like Marvel's Spider-Man 2 at 4K, the modified GPU showed a major performance boost, roughly doubling frame rates.

The project highlights how salvage hardware can extend the life of a VRAM-limited GPU without needing custom drivers or a full replacement.