Yes If I remember, right, the GL don't have the large exhaust ports there just a thin frame notebook, GX are top dog the G then GL and in each of these categories there are multiple variations Thus you see for instance G752VS, G752Vy and on and on then you have sub categories of them base models G752VY DH72 the last 4 digits tell you a lot I think Asus put out about 4 different ones then each large vendor has there own variations like Best Buy G752VY BB**, this goes on and on you can look at Asus Store for the basic models they produce for retail sales. from there you know what Asus sells to the public. Any numbers different will have different hardware configurations. Its up to you to get the exact spec's from each vendor to reference what you actually want and they are selling.
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro