Gpu OC issue or normal ? (can't achieve same results as others)

The 1 Jet Ross

Commendable
Jun 20, 2016
4
0
1,510
I just bought a 980ti strix OC and i'm trying to overclock it . Some people on youtube , forums and vlogs achieved 90 + on core and 200+ on memory . Whit mine i can achieve around 60-70 + on core what is the issue ? I even saw people achieve over 100+ on core ...