Question about overclocking radeon 7870

onlyashes

Reputable
Jul 29, 2014
2
0
4,510
Hey guys so iv been reading on here a lot on how to overclock my sapphire radeon 7870 and im running into some trouble i started over clocking going up 25hz at a time on both the memory and core and would see a increase in heaven benchmarking score and fps but at around 1150 core and 1350 memory it would blue screen my computer i figured out it was overheating and shutting down i think because i didnt change fan setting now i have the fan settings correct and it never gos about 60c but last night i was over clocking and at 1125 core and 1330 memory i have a score of about 1500 on heaven then today i when i booted up it was back down to 800 with the same setting and now no matter what i overclock to the score stays around 800 at 1175 core and 1375 memory it was still around 800 and at 1200 core my computer just crashes when i start the benchmarking iv watched the senors in gpuz and it gos up to the clock speeds but no change in fps could i just have a bad card or what? and also i have the power limit at 20%

my pc specs are
CPU AMD 8320
gigabyte 990fx mobo
sapphire radeon 7870
10gb g skill ram
and running windows 8.1
 

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