Intel Arc A750 prototype spotted with 16GB VRAM — Engineering sample made by Gunnir sports sticker claiming a 512-bit memory bus

Intel released the Arc A750 roughly three years ago as part of its first generation “Alchemist” lineup of discrete GPUs. It launched with 8GB of GDDR6 memory saturated across a 256-bit bus. While the card’s specs are nothing extraordinary, a new version of the A750 has just surfaced — seemingly with double the VRAM and twice as wide of a memory bus — which never came out. It looks like a prototype and @komenezumi1006 on X claims they have one.

This unusual A750 is from Gunnir, an experienced name in…