Phronix did full review of it
For a good laugh you can see my G4400 thread:
I thought it looked like a cool cpu and skylakes iGPU was a huge jump over hasewell.
https://www.phoronix.com/scan.php?page=article&item=intel-pentium-g4400&num=1
https://www.phoronix.com/scan.php?page=article&item=cheap-pc-2015holiday&num=1
https://openbenchmarking.org/s/Intel%20Pentium%20G4400