http://www.hwbot.org/result.do?resultId=547217 - It is 6600 GT because memory frequency is too high
http://www.hwbot.org/compare.do?resultId=500616
http://www.hwbot.org/compare.do?resultId=607995
http://www.hwbot.org/compare.do?resultId=547069
http://www.hwbot.org/compare.do?resultId=609478
Please chcek other results of this category because is some another results on 66GT in category 66 non-GT.
Regards,
Paul