(Image credit: Nvidia) Nvidia has officially announced the GeForce RTX 5070 laptop GPU with 12GB of GDDR7 memory. We’ve heard rumors about this GPU for a while, but now it’s the real deal. While the company isn’t discontinuing the 8GB model, this spruced-up 12GB variant should give vendors and customers more options. This is especially important as we’re still in the middle of RAMageddon . Here’s what we know about the 12GB Nvidia RTX 5070 laptop GPU and why it could potentially be the most important “mid-range” laptop GPU out there. Article continues below From 8GB to 12GB of RAM (Image credit: Nvidia) As VideoCardz and Wccftech report, Nvidia originally planned to stick with 8GB of VRAM for the 5070. Thankfully, the company reconsidered. By moving to a 192-bit memory bus and providing 12GB of VRAM, Nvidia is giving laptops with this GPU more breathing room to better run games at 1440p with high-res textures and ray tracing. Moving from 8GB to 12GB is a wise move, since 8GB can impose serious constraints.…