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Memory Clock Speed Problems ( AMD RADEON HD 7770 )

Tags:
  • Speed
  • Graphics
  • AMD RADEON HD
  • AMD
  • MSI R7770
  • R7770-PMD1GD5
  • AMD RADEON HD 7770
  • Memory
  • Graphics Cards
  • HD
  • Radeon
Last response: in Graphics & Displays
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May 27, 2014 5:15:29 PM

Hello

I bought 3-4 months ago a new video card from MSI ( R7770-PMD1GD5 ) , which I was thinking was good but after testing it for a week , i was very disappointing . Anyway today I have just seen an article about Overclocking so I said "Why not to try it" and accidentally i found tht my video card Memory Clock Speed was only 1000 Mhz . I said that the program was wrong so I tested it with GPU-Z and the same result .. My video card is running only with 1000 Mhz Memory Speed when it should tun on 4500 mhz .

My question is : "Why only 1000 Mhz . !?!?" I checked on the website I bought it and also on the MSI Official website and it said clear that this videocard normally moust have 4500 MHZ Memory Clock .

Please HELP ME !
Thank's !

GPU-Z : http://tinypic.com/r/2gvr1mv/8
MSI Official website : http://www.msi.com/product/vga/R7770PMD1GD5.html

More about : memory clock speed problems amd radeon 7770

Best solution

a b } Memory
a b U Graphics card
May 27, 2014 5:30:17 PM

That is showing perfectly correct. 7770's uses GDDR5 memory which is quad data rate memory. Your GPU-Z shows the base (real) memory clock speed then you times that by 4 for the effective memory clock speed.

1125MHz x 4 = 4500MHz
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May 28, 2014 12:01:44 AM

Thank's for help ... Also .. Can you help me OverClicking the GPU ?
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a b } Memory
a b U Graphics card
May 28, 2014 9:15:27 AM

I use MSI Afterburner for GPU overclocking. It can be found here.

Then, you can follow this guide to help you with overclocking using Afterburner. Read it carefully and follow it closely.

How to Overclock Your Video Card and Boost Your Gaming Performance

If you have any detailed questions, you can post back.
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