The reason for the strong heating of Ivy Bridge processors is not in the thermal interface

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POSTER: computer news   ||   THE REASON FOR THE STRONG HEATING OF IVY BRIDGE PROCESSORS IS NOT IN THE THERMAL INTERFACE	DATE:2012-04-30
Ivy Bridge processors are different by hot temperature in comparison with their predecessors,  Sandy Bridge generation.  The investigation found out that in the case of Ivy Bridge, Intel resorted to the use of a thermal interface between the heat spreader and the chip crystal .  Some argue that the replacement of thermal grease improves the thermal performance, while others believe the procedure is useless. One of participants in the Chinese forum pceva.com.cn decided to study the problem and then shared the results of their research with the public.  During testing, an enthusiastic used CPU Core i7-3770K, and used the motherboard MSI Z77A-GD65 and cooling system Noctua NH-D14 (thermo Prolimatech PK-1) at room temperature 28 ° C.  The processor was overclocked to 4.5 GHz at a voltage of 1.2 volts and passed stability tests in the benchmark Prime 95. So enthusiastic checked the CPU temperature readings from the established device.  According to measurements, the temperature in the core was a simple 33/32/43/34 degrees, the maximum temperature reached at a load up to 80 ° C, while the averages are 67.1/71.5/76.6/68.0 degrees. After the cover has been dismantled, they made new temperature measurements .  Performance in a simple form 34/33/43/34 degrees, the maximum temperature reached under load was 80 ° C, average values are almost identical to that obtained earlier - 67.0/71.4/76.3/68.0 degrees.  it is worth noting that the increase in CPU frequency to 4.8 GHz cores causes warming to 100 ° C and above. Thus, the heat reason lies not in the used thermal interface but much deeper.  Probably, the disclosure of overclocking potential of processors manufactured on 22nm technology will be a little later. Related Products :

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