Discussion Forums > Technology
Starting to build my new rig, looking for opinions
kitamesume:
...
you can't make more heat with less energy, period.
Belmakar:
--- Quote from: kitamesume on December 30, 2012, 09:21:35 AM ---...
you can't make more heat with less energy, given the energy efficiency of the compared applicances are the same or the one requiring less energy is more efficient.
--- End quote ---
FTFY (in the context of applicances where producing heat is an undesired side effect)
Tatsujin:
--- Quote from: kitamesume on December 30, 2012, 09:21:35 AM ---...
you can't make more heat with less energy, period.
--- End quote ---
You've read the news and reviews? Also, the die for Ivy Bridge is smaller thus' it would force it to generate more heat on average 10 Celsius more than Sandy Bridge. You even mentioned the 'die' part yourself. I can relate to what you're saying about the 32nm vs 22nm, thou' in this case Ivy Bridge generates more heat if you overclock it.
http://www.extremetech.com/computing/129300-physics-ivy-bridge-and-the-slow-death-of-overclocking
http://www.tomshardware.com/reviews/ivy-bridge-benchmark-core-i7-3770k,3181-9.html
It's all over the internet. Ivy Bridge generates more heat if you overclock it. Period. :P
And good night.
kitamesume:
did they ever tried to measure the temperatures on the HSF fins instead of the core?
its because of ivy bridge's small package is causing it to heat up faster that the HSF can't cool fast enough, if they did measure it from the fins you'd see that the HSF is much cooler than that of sandy bridge.
edit:
plus to mention that ivy bridge is using TIM which makes the heat transfer more retarded, making most of the heat stuck inside the die which the die sensor sees as higher temperature. and since most of the heat is stuck inside the die, you're dispersing less heat, making sense that it also means you're producing less heat.
edit2: how do you even measure heat production anyway? you don't say 80c when you get asked "how much heat production do i need to heat-up my room?"
Freedom Kira:
If I recall correctly, the increased heat from overclocking is not because the die is smaller, but because the heat is dissipated differently, which is because Ivy Bridge uses tri-gate transistors.
Heat production is measured in watts, i.e. the TDP. A watt is a measure of energy per unit of time, i.e. 1 W = 1 J/s. I would expect that Ivy Bridge's TDP increases more than Sandy Bridge's when overclocked.
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