i just bought new Zotac GTX 980 Ti Amp Extreme Edition. i have intel I7 5820k with Asrock x99 formula. 3dmark 11 shows only P19800 score. But guru3d review shows the same card with the score of 22900. Why my card perform slow? Check this below.. http://www.guru3d.com/articles_pages/zotac_geforce_gtx_980_ti_amp_extreme_review,22.html Why is it happen?