You may well find the difference is relatively small and that it might pay off for you to get a slightly better cooler if the frequency fluctuates under load as above. I suspect that the stock cooler is at its limits of heat dissipation meaning a small amount of extra heat being generated leads to a disproportionate rise in temperature - a power meter would give you an idea of how much extra power is being used and therefore how much more heat is being generated. What might also be interesting would be if you had a power monitor, you could see what the actual difference in power consumption is. It's not entirely unusual to see quite a difference in temperatures when the CPU's hitting max turbo boost frequency especially with a stock cooler. turbo disengaging? This would mean it's hitting a temperature or power limit. Processor - Quad-Core, HT, 4.0GHz (88W), TurboBoost 4.40GHz, Intel HD. Out of interest does it maintain a steady frequency or does it jump up and down when under load, i.e. We apologise, but the product is no longer sold. How "aggressively" the CPU boosts depends not only on the CPU load but also power limits and temperatures, so this can vary depending on your cooler but also on your motherboard. So, depending how threaded your benchmark is and assuming Turbo Boost is kicking in fully, you'll see between 5-10% performance boost. It’s for enthusiasts and can’t-get-enough workstation jockeys, and for them it delivers better performance than Intel’s previous flagship at a reasonable price.Turbo Boost will boost your CPU from its stock speed of 3.6GHz to a max of 3.8GHz when all 4 cores are loaded, 3.9GHz when 3 cores are loaded, and 4GHz when one or two cores are loaded. Intel Devil’s Canyon review: verdictīut so what? Devil’s Canyon isn’t aimed at the low-cost, low-power market. This means that a regular Series 8 motherboard may need a BIOS update to accommodate a Devil’s Canyon chip. To keep these fed, the new chips have a thermal design power of 88W – slightly higher than the 84W of their predecessors. Flip over a Devil’s Canyon chip and you’ll see an extra crop of capacitors that regular Haswell processors lack. It’s also worth noting that running at these sorts of speeds takes a lot of power. All the same, £263 is a lot of money to spend on a CPU, and unless you do a lot of heavy-duty, multi-threaded computing, you might struggle to detect much difference between this and a much cheaper Core i3 or i5 model. It’s hard to complain too much, since Intel is actually selling the i7-4790K at exactly the same price as the older i7-4770K. Such performance comes at a price, of course.
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