Surging AI infrastructure demand has drained global memory supply, pushing VRAM prices up and making higher-capacity graphics cards significantly more expensive. AMD reportedly charges board partners $10 more per 8GB of VRAM, while manufacturers like Samsung, SK hynix, and Micron prioritize high-bandwidth memory for AI data centers over GDDR6 and GDDR7 for graphics cards.

Testing reveals VRAM capacity directly impacts performance. Tom's Hardware found NVIDIA's 8GB RTX 5060 Ti averaged 2.3% slower than the 16GB version at 1080p medium, widening to 12% at ultra settings with 16% lower minimum frame rates. Hardware Unboxed recorded even starker gaps: The Last of Us Part II ran at 67 fps on 8GB versus 109 fps on 16GB, while Indiana Jones and the Great Circle crashed on 8GB at ultra settings. Insufficient VRAM forces asset swapping over the PCIe bus, causing stuttering, texture pop-in, and crashes.

For resolution targets, 8GB suffices for 1080p medium/high settings, 12GB suits 1440p, and 16GB is the minimum for 4K and future-proofing. NVIDIA has cut 16GB RTX 5060 Ti and 5070 Ti production to prioritize 8GB models. With prices projected to climb, buying a 16GB card now extends your upgrade window by roughly five years.