I checked now, and the i5-4200u has a 3246 score and the i7-3610 has a 7674 score in passmark cpu benchmark ranking, so, isn't the i7 at least twice better than the i5? So why shouldn't the rendering time cut in at least half?
The i7 will be faster, but Passmark is a synthetic benchmark, and I would not expect it to be twice as fast on a real world CPU intensive task such as a video edit. The quad cores of the i7 do help, but never twice as much.
I did a search to confirm, but there are not video benchmarks available between the processors that would make this an easier comparison.
with my i7-4790 (locked, not a K), 16gb 1600 DDR3 ram & a Asus Geoforce 750 Ti w/2gb DDR3, i just rendered a 34GB UDF file to mp4-H264 in about 1 hour 14 minutes using Handbrake at highest quality (slowest) settings.
with my i7-4790 (locked, not a K), 16gb 1600 ram & a Asus Geoforce 750 Ti w/2gb DDR3, i rendered a 34GB UDF file to mp4-H264 in about 1 hour 14 minutes using Handbrake at highest quality (slowest) settings.
if that helps
That fits with what I was thinking. The desktop parts always work better for these CPU intensive tasks.