Before we compare the coolers, let’s check out how the performance of the Deep Cool Gamer Storm (it turned to be a little bit better than the Alpenföhn Matterhorn) depends on the speed, number and type of the fan(s).
The speed of the cooler’s native fans (the red and green graphs) is selected by the manufacturer properly. This heatsink doesn’t need them to rotate at speeds higher than 1600 RPM. The maximum performance growth occurs in a speed range of 600 to 1200 RPM with one fan and 600 to 1000 RPM with two fans (one for intake and another for exhaust). By the way, the second fan helps lower the peak CPU temperature by 4-7°C throughout the entire speed range of the native fans. Thus, despite the optimizations of the heatsink in order to lower its resistance to air flow, the dependence of its performance on the speed of the fan(s) is still rather high.
We also tried the heatsink with alternative fans (Thermalright TR-FDB, the blue and violet graphs). As you can see from the diagram, replacing the native fans with the Thermalright ones lowers the peak CPU temperature by 4-5°C with one fan and by 3-6°C with two fans throughout the entire speed range. Developing a higher pressure, the Thermalright TR-FDB fans prove to be more effective than the native fans of the Deep Cool Gamer Storm and Alpenföhn Matterhorn. By the way, increasing the fan speed from 1600 to 2000 RPM lowers the peak CPU temperature by 2-3°C.
Now let’s compare the two coolers. You can view their results in in the following table and diagram:
So, we can see that the two identical heatsinks with identical fans and fastenings perform somewhat differently. The Alpenföhn Matterhorn is worse than the Deep Cool Gamer Storm by 2°C when cooled by one or two fans at 810 RPM. It is hard to explain this difference because the heatsinks are absolutely identical and were tested under the same conditions at the same room temperature. There must be some variation in performance between different samples of the same heatsink. Interestingly, the two heatsinks are equals at the maximum speed of their native fans.
The Alpenföhn Matterhorn and Deep Cool Gamer Storm also differ when we install Thermalright TR-FDB fans on them, up to 3°C in the quiet mode. The better of the two new products, Deep Cool Gamer Storm, is a mere 1°C behind the ThermoLab Baram-2010, which is a negligible difference. So, we guess we should compare these coolers once again in another test.
We tried to reach as high a CPU frequency as possible using our Deep Cool Gamer Storm (the better of the two twins) with two Thermalright TR-FDB fans in the quiet mode at 1010 RPM and at the max speed of 2020 RPM. The room temperature was 28.2°C during this test. For easier comparison, we show the results of the ThermoLab Baram-2010 at the same CPU frequency.
As you can see, the Deep Cool Gamer Storm keeps the six-core CPU stable at a frequency of 4413 MHz and a voltage of 1.44375 volts while running 64-bit Linpack. The peak CPU temperature is 91°C in quite mode and 83°C at the maximum fan speed. This is an excellent result considering the hot weather. Under the same conditions and with the same fans the ThermoLab Baram-2010 kept the CPU temperature at 91°C in quiet mode and at 80°C at full speed. Thus, these coolers are equals when equipped with low-speed fans and the Baram is better with high-speed fans. But we must acknowledge that the latter is cheaper and lighter, which are important factors, too.
The following diagram shows how much noise the tested coolers produce:
The Alpenföhn Matterhorn and Deep Cool Gamer Storm are equipped with very quiet fans which do not disturb the background noise of the quiet system case at speeds up to 1050-1100 RPM. They can hardly be heard at all at 800 RPM. The addition of a second such fan does not increase the noise as much as when we add a Thermalright TR-FDB as a second fan. The latter is quieter in solo mode, though.
The new coolers Alpenföhn Matterhorn and Deep Cool Gamer Storm are undoubtedly among the leading tower-type air coolers available today. Their performance is very high irrespective of the possible variations between different heatsink samples. Each cooler is equipped with a quiet fan that features an original vibration-absorbing system and three speed modes. Wide CPU compatibility, simple installation and reliable fastening are among the highs of these twin coolers, too. As for aesthetics, they are nickel-plated and look very stylish. Considering also the pretty packaging and competitive recommended price, we have two very appealing products that will make the market competition even tougher!