Noctua NF-S12B FLX vs. Thermaltake ISGC Fan - Thermaltake vs. Noctua - Comparison

Article Index
Noctua NF-S12B FLX vs. Thermaltake ISGC Fan
Thermaltake ISGC Fan 12 - Closer Look
Thermaltake vs. Noctua - Comparison
Thermaltake vs. Noctua - Testing
Final Thoughts and Conclusion


Thermaltake ISGC Fan 12 vs. Noctua NF-S12B - Comparison:

So now that we've taken a closer look at both of these fans, and before we get too far in to the review, let’s take a look at the technical differences between the two fans. The biggest things of note when comparing case fans is fan speed, noise, and airflow. In this section I will compare both fans against each other in those three categories.


Fan Speed Comparison:

Noctua – 1200/900/600 RPM, this is achieved using fan adapters.

Thermaltake – 800-1300 RPM, this is achieved using a variable fan controller built into the fan’s cable

What does this mean:

Depending on what type of application you are using these case fans for will maybe change your decision from one fan to the other, however in 95% of applications you’re going to install the fan and set it to a level that works for you and then never touch it again for a long period of time, and in those cases it doesn’t really matter how you control the fan speed as long as you can get it to a level that works for you.


Airflow Comparison:

@ 1200 RPM – 59.21 CFM (100.6 m^3/hr)
@ 900 RPM – 44.61 CFM (75.8 m^3/hr)
@ 600 RPM – 28.96 CFM (49.2 m^3/hr)

@1300 RPM 58.3 CFM (99.05 m^3/hr)



What does this mean?

More airflow is generally going to mean lower temperatures in your case, more airflow is generally also going to mean more noise also, and you’ll need to find a happy medium between the two. In most case applications you’re not going to need crazy amounts of airflow, but rather just a steady airflow to move the heat out of the case. Both of these fans are pushing about the same amount of air at their highest speeds, and both will be pushing about the same at their minimum speeds, so if you’re looking for max airflow, we’ll call it a tie.


Noise Comparison:

One of the biggest questions people have about buying new case fans is "How quiet is it?". Let's compare these two fans to see just how quiet they really are.


@ 1200 RPM – 18.1 dBA
@ 900 RPM – 10.6 dBA
@ 600 RPM – 6.2 dBA

@ 1300 RPM – 16 dBA


What does this mean:

The differences between 18.1 dBA and 16dBA are going to be unnoticeable to the human ear, so both are going to make about the same amount of noise when running at full, so when comparing noise while running at maximum speed we’re going to have to call this a tie also. At minimum speeds both of these fans are pretty much silent, so we’ll also call noise while running at low speeds a tie. The biggest thing to note is that both of these fans are huge improvements over older case fans which were able to get up into the 30-40 dBA range depending on how fast they were running (a 4000 RPM 120mm fan could reach 59dBA), both fans offer noticeable improvement over a generic 120mm case fan and both could very easily help you reduce noise while still keeping decent airflow in your case.