I really wouldn't call putting the monitor on display and listing the specs as a "review". 
Acer Predator XR341CK/X34 34" Curved Gaming Screens with FreeSync and G-sync
- Thread starter Vega
- Start date
G-Sync is superior. Hence why the G-Sync version is 100 Hz and the Freesync 75 Hz. G-Sync module can be tailored to the specific panel and you can eliminate/minimize ghosting. Something you can't do with Freesync.