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Wysłany: Pon 11:11, 13 Sty 2014 Temat postu: ASUS Radeon HD 7850 DirectCU II Video Card Review |
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ASUS Radeon HD 7850 DirectCU II Video Card Review
AMD introduced its new Radeon HD 7850, codenamed "Pitcairn," on March 4th, 2012. Pitcairn follows Tahiti architecture which represents a departure from previous architectures for AMD. It calls the new architecture "Graphics Core Next," or GCN. The Radeon HD 6000 series used AMD's VLIW 4 and 5 architectures. GCN features a smaller die at 28nm, compared to the 40nm process used for the previous generation.
Aside from the process shrink, GCN offers a number of features over previous generation GPUs. One particularly noteworthy feature is "ZeroCore Power." This feature disables unused GPUs (or portions of them) during long idle periods to save power and increase efficiency. This can save energy not only in terms of power consumed by the video card, but it can also lead to decreased heat generation, which can save money in terms of cooling costs.
The Radeon HD 7850 GPU itself is comprised of 2.8 billion transistors packed into 1024 stream processors with a clock speed of 860MHz. There are 64 texture units and 32 ROPs.
The Radeon HD 7850 is designed to be paired with 2GB of GDDR5 memory on a 256bit bus, running at 1200MHz for a 5.0Gbps data rate and a maximum theoretical bandwidth of 153.6GB per second. The typical board power is only 150 Watts which will provide more efficient and lower overall power consumption.
The ASUS Radeon HD 7850 DirectCU II V2 is clocked at reference clock and memory speeds for a Radeon HD 7850 and features ASUS DirectCU II cooling system. It is configured with 2GB of GDDR5 memory running at a 4.8GHz effective rate and the GPU is clocked at 860MHz. The cooling system is comprised of five heat pipes that carry heat away from the GPU to aluminum fins that are cooled by a pair of fans. ASUS has implemented its DIGI+ VRM Super Alloy Power solution that brings a 10 phase power design that claims to reduce power noise by 30% and increase durability by 2.5x. This is the second version of the stock 7850 that has been produced by ASUS, and it is available in both the 1GB and 2GB versions.
It is worthwhile to point out that there are variations across ASUS product lines as to which DirectCU II cooler will be attached to a particular card. In the case of the ASUS Radeon HD 7850 DirectCU II,[url=http://www.onitsukatiger.com.sg]asics shoes[/url], it is a 2 slot cooling solution that is smaller and not comparable to the solution found on the Direct CU II flavors of ASUS Radeon HD 7870 GHz Edition, GeForce GTX 660, 660Ti and 670. Still, there is a larger and more impressive version of the DirectCU II is found on ASUS Radeon HD 7970 and GeForce GTX 680 series cards.
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Wysłany: Wto 14:30, 21 Sty 2014 Temat postu: |
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washing machine face began to loosen
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Wysłany: Sob 19:49, 01 Lut 2014 Temat postu: |
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target
London School of hygiene and tropical medicine, specializing in mosquito research James · Luo page: [1][2]
video display, mosquito bites mice,[link widoczny dla zalogowanych], will take a few minutes and Exploration on its skin vessels. In addition, the mosquito's mouthparts is not as people imagine that hard, but soft and pliable.
mosquitoes find blood vessels in mice when they began to salivate,[link widoczny dla zalogowanych], releasing a can prevent vascular contractility and blood caked substance.
A few hours after
film,[link widoczny dla zalogowanych], people can clearly see, the mosquito will first with the mouthparts exploration in mice skin bite before,[link widoczny dla zalogowanych], to find the blood vessel. The researchers found that,[link widoczny dla zalogowanych], malarial mosquitoes find vascular longer. This may mean parasite control nerve system of the mosquito.
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researchers found that mosquito bites, mouse, mouthparts appeared in front of the tip, which means that the reaction of antibody in mice. White together blocked the small blood vessels, so that mosquitoes cannot continue vampire. But the mosquito will not give up, but will be looking for larger vessels.
video display, and needle like simple people imagine, mosquitoes as thin as hair mouthparts is a complex system. It consists of six parts,[link widoczny dla zalogowanych], bites can bend.
magic natural
mosquito selected "place, four thin jaw plate will help to pierce the skin.
mosquitoes mouthparts acicular structure is actually two parallel "pipe", a vampire, a release of saliva, a drawing blood.
Paris Pasteur Institute scientists took this video,[link widoczny dla zalogowanych].
research director Valerie · Shu Mei said,[link widoczny dla zalogowanych], she and her colleagues let mosquito bites the saliva immune mice. The mouse has been anesthesia in shooting video.
"jaw plate end serrated, in which perforation, can cling to the skin,[link widoczny dla zalogowanych]," National Geographic website quoted Ed · 7 study participants; Yang said, "mosquitoes can push through these lorum will acicular structure mouthparts pierce the skin deep."
French scientists in microscope help recorded a mosquito from short mice blood sucking, hitherto unknown clearly record the details of the blood sucking mosquitoes.
video display, the blood sucking mosquitoes spend about 4 minutes. They suck too hard, that will make the blood dry,[link widoczny dla zalogowanych], some red blood cells to burst open, the blood spattered around. At this time,[link widoczny dla zalogowanych], the mosquitoes around will follow the "taste" and "blood", in a drink.
bites, researchers in mice leave a place that malaria mosquito saliva.
The
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