nerijs/pixel-art-xl
Adapter vs stabilityai/stable-diffusion-xl-base-1.0. nerijs/pixel-art-xl is a LoRA adapter, not full weights: rank 32, on unknown modules (722 adapted matrices). It modifies stabilityai/stable-diffusion-xl-base-1.0 at load time.
4 other repos hold byte-for-byte identical weight files.