The 7640g is a little bit faster than intel 4400 haswell graphics and the 610m was made to compete with the intel 3000 meaning the intel 4000 is faster than 610m. So the 7640g is better.
The 7640g is a little bit faster than intel 4400 haswell graphics and the 610m was made to compete with the intel 3000 meaning the intel 4000 is faster than 610m. So the 7640g is better.