Titan Fenrir Siberia Edition TTC-NC55TZ(RB) CPU Cooler Review - Testing

Testing

Test System:

CPU: Intel i5-2500

Motherboard: MSI P67A-GD55

RAM: 2x4GB Patriot Viper Xtreme II 1600MHz DDR3

GPU: eVGA GTX 560Ti Crysis Edition

OS HDD: Patriot Pyro 60GB SSD

Secondary HDD: Patriot Wildfire 120GB SSD

 

Idle Testing

For idle testing, we booted up the system, allowed the CPU to stabilized at ~0% usage, and then tested for at least 10 minutes, and we used RealTemp to record the CPU temperatures once the temperatures were stable.  We tested two different conditions of the i5-2500, the first is completely stock and default settings, and the second is overclocked to 3.8GHz and 1.26V. The single temperature recorded was the average between the four cores.

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Load Testing

For our load tests, we used Prime95 to stress the CPU to 100%, and let it run that way until the temperatures became stable (allowing 15 minutes minimum), and then used RealTemp to record the temperatures.  We tested two different conditions of the i5-2500, the first is completely stock and default settings, and the second is overclocked to 3.8GHz and 1.26V.  The single value recorded is the average temperature of the four cores.

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Results

When comparing the Fenrir Siberia Edition to Arctic Cooling's Freezer i30, we see results which remind us of the Scythe Susanoo, the world's largest air cooler.  The Arctic Freezer i30 is a tower cooler with a single fan, yet we see lower temperatures across the board over the Fenrir Siberia.  We'll be testing more coolers in our new testbed in the coming days, and we are curious to see how well the Fenrir Siberia stacks up against other competitors.  We find ourselves asking the same questions we had with the Scythe Susanoo, mostly about the total thermal capacity.  Large heatpipes, two cooling fans, an an overall large size may enable a higher ceiling for extreme overclocks, and if they are designed to handle very high loads, they would sacrifice efficiency at lower loads.  This could be the design artifact we are seeing, but it seems that the heatpipes being as long as they are, although increasing direct contact area to the airflow, creates a larger thermal resistance before the heatpipes reach the horizontal heatsink.  If the horizontal heatsink was brought a bit closer to the contact base to reduce the heatpipe length, there's a chance we could see better performance out of the design, but then you'd run into RAM clearance issues.

 We had stability issues with our testbed when we tested the Scythe Susanoo cooler which prevented us from pushing the cooler at high thermal loads, and we wondered if it would perform better under higher thermal loads, and we found from the testing others have conducted that its performance greatly improved against the competition when it was pushed hard, and we suspect a similar verdict for Fenrir Siberia Edition.  We've pushed it as far as we can with our i5-2500 (non-unlocked), but we'll be keeping an eye our for other reviews and tests in the coming days, as we'll update with info about what we see elsewhere.  The Fenrir Siberia has all the characteristics we'd expect of a cooler geared for overclocking, including a very high rated 220W TDP, but for a more casual user, its size and weight is a bit of a turnoff when there are smaller, coolers available which perform better when using a more meager clock setting like our test conditions.

 A big plus is that the fans supplied with the Fenrir Siberia are very quiet, and despite there being two fans, overall operation is whisper quiet.  When all other case fans were turned off and the fans for the Fenrir Siberia is barely audible, and when the other case fans are running.

 

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