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Large comparative test of 11 processor coolers

The choice of heatsink for a processor is often underestimated, although it has a direct impact on performance and is often the noisiest component of an assembly. In this test you will find the best and most advantageous air coolers of today.

Choosing air cooling may not be as simple and straightforward as it might seem at first glance. Many minor problems and questions can arise. That is why we have prepared a large comparative test of eleven air coolers in the price range of CZK 500 to 2,000. He will also answer questions about whether it makes sense to pay extra for a more expensive model or what are the differences between different constructions.

Compatibility issue

Before you know which cooler is quiet and which is powerful, you need to answer the question of whether it will fit your computer at all. Several difficulties can arise. Supported processor sockets are the main guide, but not sufficient.

Alphabetical list of tested models

  • Arctic Freezer 34
  • Arctic Freezer 34 eSports Duo
  • Cooler Master Hyper 212 RGB BE
  • Noctua NH-U14S
  • Noctua NH-U9S chromax.black
  • Noctua NH-U9S chromax.black
  • Scythe Mugen 5 (rev. B)
  • Scythe Ninja 5
  • SilentiumPC Fera 5 Dual fan
  • SilentiumPC Grandis 3
  • SilentiumPC Spartan 4


It is also necessary to check the height of the heatsink and compare it with the value “Maximum height of the CPU heatsink”, given at the computer case. If the radiator was higher, the side panels could not be closed. It is also necessary to check that the RAMs are low profile. Those high-profile ones, for example with RGB lighting or distinctive design elements, may have a problem fitting under massive ribbing or a front radiator fan. Although it can be lifted in modern heatsinks, it will worsen the passive power of the processor on the motherboard.

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