Stable Overclock for Sapphire 7970 Ghz Vapor X card?

ice-note

Distinguished
Feb 5, 2013
53
0
18,530
I own a 7970 Ghz Vapor X by Sapphire. I am currently running on stock speeds... it is still VERY fast. However, I would like to OC it to really make the most of this card.

Without touching the voltage, what is a good clockspeed/memory setting to put the card to? I am planning on using the AMD Overdrive software that comes with the AMD Catalyst software. Also kind of a newbie.

My PC set up..

Asrock Z77 extreme 4
i5 2500 k (not OC'ed)
8GB RAM
120 SSD for boot
2TB 5400 RPM for media
1TB 7200 RPM for game storage (Seagate Baracuda)
Sapphire AMD 7970 Ghz Vapor X
1050 Corsair PSU Silver certified(got it really cheap)
 
You cant adjust voltage anyway. Vapor-X cards are locked. Just increase the slider on CCC by 50MHz at a time, test with a GPU strestest like heaven bench while watching temps till you get artifacts or unacceptable temps. Keep it under 90C under max load.
 

lolplanet

Honorable
Apr 8, 2013
64
0
10,640
I have the same problem with you

sig.jpg
 
A selection of overclocks from various review sites:

HardOCP - 1185 MHz
http://www.hardocp.com/article/2012/09/24/sapphire_vaporx_radeon_hd_7970_ghz_edition_review/3#.UWb5SBPn-Uk

Tweaktown - 1205 MHz:
http://www.tweaktown.com/reviews/4883/sapphire_radeon_hd_7970_ghz_edition_vapor_x_3gb_overclocked_video_card_review/index2.html

Legit Reviews - 1235 MHz:
http://www.legitreviews.com/article/2058/13/

OverclockersClub - 1185 MHz:
http://www.overclockersclub.com/reviews/sapphire_hd7970_vaporx_ghz/4.htm

PureOC - 1195 MHz:
http://www.pureoverclock.com/Review-detail/sapphire-7970-vapor-x/16/