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Intel Core i7 5960X Haswell-E (8-core) CPU Review

We measured the idle temperatures and power consumption levels with the system resting at the Windows 7 desktop.

The temperature of the Haswell-E CPU and power consumption of our entire test system (at the wall) is measured while loading only the CPU using Prime95′s in-place large FFTs setting.

Temperature recordings were taken using CPUID HW Monitor. Asus' AI Suite 3 software delivered contradictory readings that were sometimes as much as 10°C lower than the CPUID software.

Temperatures

Temperature recordings were taken with the Corsair H100i CPU cooler’s fans running at full speed. Ambient temperature was maintained at a toasty 23°C.

temps

With our Corsair H100i operating at its maximum speed, the 1.20V CPU VCore applied at stock (MCT) levels tops out at 60°C. Even putting 1.30V through the chip doesn't force temperatures past the 80°C mark.

Intel seems to have learned from its mistakes with Ivy Bridge and Haswell – poor ability to remove heat hinders overclocking results. That said, it may be just the HEDT chips that are treated to a rugged heatspreader bonding solution.

Power Consumption

We must note that the 5960X system was housed inside an NZXT Phantom 630 chassis with three case fans. The 4790K and 4960X were tested in an open-air environment hence the powering of fans was not required.

power

With eight physical cores and a 140W TDP, not even the positive efficiency of the Haswell microarchitecture can save the 5960X from sizeable power requirements. Around 25-30% more energy than a 4960X-based system is required to fuel our X99-based configuration.

While 25-30% may sound like a sizeable jump in power requirements, the 5960X's core count is 33% higher than its predecessor's. And its performance in some environments is greater than 25% ahead of the 4960X. With those points in mind, power and performance characteristics are more balanced than the above chart would suggest.

Let's not ‘butter up' the situation though; with a pair of high-end graphics cards installed, an overclocked 5960X system may be enough to warrant a 1000W+ PSU from a reputable vendor.

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4 comments

  1. If it’s a ‘Must Have’, does that mean you’ll give me one for free? ; )

    Good review Luke, thanks. (Although pro tip: deceptively is a better adverb than deceivingly for prose).

  2. Yes it is a must have. Jewish NSA inside is the best chipset to follow the idiot masses. All the Intel chipsets send datas to the Israel. Jews have been watching the entire world thanks to Intel chipsets and Microsoft Operating Systems. Oh I need to add Apple products. Thaks to Apple products NSA & CIA have millions of fingerprints & identitiy details etc… I am a bit confused. As if Jews are playing games by using these agent chipsets. Not the idiot gamer masses.

  3. You know, there are some archived articles on KG.net that you haven’t posted on yet. Better get to it ; )

  4. Nice, it really does come into it’s own! Great review!