You can't crossfire a 4890 and 4200. the 4200 wouldn't make any noticeable difference even if you could. Hybrid (integrated) crossfire is for cards like the 4350 (low end cards).
You can't crossfire a 4890 and 4200. the 4200 wouldn't make any noticeable difference even if you could. Hybrid (integrated) crossfire is for cards like the 4350 (low end cards).