D David Li Honorable Mar 12, 2013 46 0 10,530 Aug 3, 2013 #1 What's the formula used to find the vram clock speed? A stock GTX 780 has 3.0gb of 3.0ghz vram, but in an article I read it said that it has 6.0ghz effective vram speed. How much of an overclock in mhz would you need to increase it to 7.0ghz?
What's the formula used to find the vram clock speed? A stock GTX 780 has 3.0gb of 3.0ghz vram, but in an article I read it said that it has 6.0ghz effective vram speed. How much of an overclock in mhz would you need to increase it to 7.0ghz?
InvalidError Titan Moderator May 18, 2007 23,815 5,265 108,890 Aug 3, 2013 #2 Your article is likely as mixed-up as you are. GDDR5 RAM uses Quad-Data-Rate signaling so if its data rate is 6GT/s, its actual clock is 1.5GHz - on QDR RAM, clock = data rate / 4. Upvote 0 Downvote
Your article is likely as mixed-up as you are. GDDR5 RAM uses Quad-Data-Rate signaling so if its data rate is 6GT/s, its actual clock is 1.5GHz - on QDR RAM, clock = data rate / 4.