Koukni:http://www.hwcompare.com/12033/radeon-hd-7770-vs-r adeon-hd-7850/http://pctuning.tyden.cz/hardware/graficke-karty/2 5994-vliv-procesoru-na-vykon-ve-hrach-od-phenomu-p o-core-i7Edit:http://extrahardware.cnews.cz/test-amd-radeon-hd-7 850-konecne-i-lepsi-cenavykon