![]() Gddr5 effective speed 4100mgz “real world ram speed 256mgz” Sdr 100mgz = 100mgz internal speed~real world speed.ĭdr~sdr 100mgz internal real speed,100mgz bus speed,200mgz effective speed.ĭdr2-sdr 100mgz internal real speed,200mgz bus speed,400mgz effective speed.ĭdr3~sdr 100mgz internal real speed,400mgz bus speed,800mgz effective speed.ĭdr5~sdr 100mgz internal real speed,400mgz bus speed,1600mgz effective speed.Īnd gpu-x reads the external bus speed not the real world internal ram speed. ![]() Ok old post but after reading it and seeing every one that posted got it wrong ill just have to set the record straight. Hello everyone! i,ve been reading your articles they are very helpful but i really need your help….This is the first time I am posting on this website….I have Intel core i7 860 2.80Ghz, Intel DP55WG board, 2GB of RAM (kingston), 500GB HDD and a samsung 933bw plus LCD and Nvidia geforce 9600GT 1024MB 256 bits graphics card and a GPU meter installed as a windows gadget but it is not showing any gpu clock 600MHz or memory clock 702 MHz both of them them are showing the usage of 0%…Please Please someone help me out. Pingback: ASUS GeForce GTX 560 Ti DirectCU II TOP Review - 3D Tech News, Pixel Hacking, Data Visualization and 3D Programming. Pingback: Colorful iGame GeForce GTX 460 Limited Edition - 3D Tech News, Pixel Hacking, Data Visualization and 3D Programming. ![]() Pingback: SAPPHIRE Radeon HD 6970 2048MB Review - 3D Tech News, Pixel Hacking, Data Visualization and 3D Programming. Pingback: EVGA GeForce GTX 580 SC Review - 3D Tech News, Pixel Hacking, Data Visualization and 3D Programming. Pingback: SAPPHIRE Radeon HD 6870 1024MB Review - 3D Tech News, Pixel Hacking, Data Visualization and 3D Programming. Pingback: ASUS ENGTX580 1536MB at Geeks3D Labs - 3D Tech News, Pixel Hacking, Data Visualization and 3D Programming. I hope the memory speed you see in graphics cards reviews or in your favorite GPU tool is clear now. Or the new GPU Shark display the effective DDR speed: For exemple, NVIDIA displays the effective memory speed of the GTX 480 as a DDR speed (1848MHz) instead of a QDR speed (3696MHz) (see specicifications HERE).Īnd what kind of speed is displayed in our GPU tools ?Īs we said, GPU-Z displays the real clock speed. IN practice, very often, the DDR speed is used in the specs of GDDR5 memory. Then for a GTX 480 (GDDR5) with stock memory speed we have: For example, the GDDR3 memory (on GTX 200 for example) is a DDR memory while the GDDR5 (on HD 5000 or GTX 400) is a QDR memory.Īnd the effective speed of a QDR memory is: Roughly said, there are 2 kinds of graphics memory currently in use: DDR (Double Data Rate) and QDR (Quad Data Rate or Quad-pumped). All other values you can read in other GPU tools or graphics cards reviews are the effective speed which depends on the type of memory (GDDR3, GDDR5) and people who have witten the specs, the reviews or the GPU tools □ The real memory speed is the most important information. GPU-Z displays the real memory clock frequency or memory speed which is 950MHz (this is an overclocked memory since the stock speed of a GTX 480 is 924MHz). If we look at the image, we see that GPU-Z is used to monitoring the clocks and temperature. The guy who sent the image asked me why the memory clock of his GTX 480 is 950MHz instead of 1900Mhz. I think the system has a problem (look at the nice temperature spikes – may come from a bug in GPU-Z, I don’t know) but don’t ask me what’s kid of prob □ Hummm tortured is not really appropriate if we look at the current intensity and GPU power: 27A and 29W… And the FPS: 34 FPS is too low for a GTX 480 even with MSAA enabled. I recently received this strange image of a GTX 480 tortured by FurMark.įurMark and an overclocked EVGA GTX 480 – Temperature spikes
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