120mm Fan Vs 140mm Fan | Which One Is Best

120mm Fan Vs 140mm Fan
120mm Fan Vs 140mm Fan

All the PCs are worth the best fans. It ensures that your PC can run smoother without hot snacks, even under heavy loads. It also allows you to increase your spinning speed. Here we will discuss the difference between a 120mm fan vs. a 140mm fan. 

Heating over can cause harm or make it unpleasant to sit next to a PC. So, you can choose the best computer fan to make sure your PC is performing better for your gaming or intensive work. Tons of fans with varying rates, Airflow, spin velocity, and noise levels are out there. As a consequence, it may be a little confusing to choose the right product. This case fan comparison of 120mm versus 140mm indicates the right items.

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120mm Fan Vs 140mm Fan | The Detailed Comparison

Let us, therefore, talk about a necessary comparison of two types of fans who constantly challenged the minds of a customer. We point out a fight of 120mm Vs. 140mm fans. Let us find out which one is better for you, and we will shout out some of the best available ones at the same time.

120mm Fan 

140mm Fan

Less noise level

High noise level as compaired to 120mm fan

Less power comsuption 

High power comsuption as compaired to 120mm  Fan

High fan speed as compaired to 140mm fan

Less fan speed as compaired to 120mm fan

Lifetime almost same 

Lifetime almost same 

Less Air Flow as compaired to 140mm fan

More Air Flow as compaired to 120mm fan

High Air Pressure

Less Air Pressure as compaired to 120mm fan

Dimensions (L x W x H), (mm)
120 x 120 x 25

Dimensions (L x W x H), (mm)
140 x 140 x 25

1. Spin Speed Comparison

Spin speed is another essential aspect to consider when selecting a case fan, measured in RPM (Rotation Per Minute). It explains how quickly a case fan can spin to dissipate heat and keep the machine cool. There were significant variations between the 120mm and 140mm spin speeds.

In comparison, we find some gaps between leading fans in size 120mm and in length 140mm. However, one has a higher pace than another. From 120mm case fans, they have a spinning speed of over 1200 Rpm to make your PC quicker in serious tasks. The higher the spin on a fan, the stronger the PC will react and the quicker the performance.

120mm Fan

With an extremely high speed of spinning Rpm, the 120 mm fans help the PC eliminate the dust and other waste during the spinning rate by causing positive pressures. And that’s a noteworthy attribute that you want in a decent fan.

140mm Fan

On the contrary, 140 mm fans appear at 1000 rotation speeds to ensure that your computer is multitasking with a reasonable cooling rate. Although 1000 Rpm is sufficient to cool most PC cases, the 1400mm fans still operate slowly compared to 120mm.

Final Verdict

Many people find the 140mm fans good for the brilliant spinning speed in 120mm vs. 140mm. However, the 120mm fans have a higher rate that ensures that your PC operates appropriately with no heat bumping under high loads. 

If you want a best-recommended fan, with all the notable features and characters, you can buy it by clicking the link below:

Noctua NF-P12
Noctua NF-P12

2. Airflow Comparison

During working, the CPU produces heat. Therefore, you can select a fan with higher airflows if you do not like you’re next to a microwave oven when running your PC. Measured in a CFM, Airflow discusses how much air is supplied by a PC fan. And the higher a CFM fan, the more air a computer device can keep cool. When we looked at the 120mm and 140mm CFM, we could detect such differences and choose a superior choice.

120mm Fan

Fans of 120mm, have a poor rating of CFM. However, it is not a deal-breaker since these fans will keep their computers cool and give users the freedom to do multiple things. The 120mm fans have proper air circulation, allowing PCs with large files to cope with thermal bottlenecks. However, the low CFM of the 120mm suppliers gives them better static pressure. And the quiet CFM fans of 120mm aren’t a deal-breaker for this reason.

140mm Fan

There is a higher CFM rating for the 140 mm fans, which translates into better PC airflow. Those fans may keep their machine cool or under a heavy workload during overclocking. The high CFM rating allows the 140mm fans to ensure better Airflow to other computers, prevents PCs from being overheated, and thus develops a fault.

Final Verdict

The 140mm case fans are the winners in this comparison with Airflow. They have a brilliant cold and exhaust pressure.

If you want a best-recommended fan, with all the notable features and characters, you can buy it by clicking the link below:

Corsair ML140, 140mm
Corsair ML140, 140mm

3. Sound Comparison

Another critical factor in the selection of a case fan is the amount of noise. It is not easy to work with a computer that sounds like a washing machine in a quiet environment. Then we were able to find the winner by comparing the noise level (dB) of the fans of 120mm and 140mm.

There is an enormous difference in the sound frequency between 120 mm and 140 mm fans. But we did find a simple, impartial frontrunner.

120mm Fan

Most 120mm fans have low dBA sound frequency support to enable users to browse smoothly and without noise. Also, their design is to rotate faster without creating significant noise with lower spins. Furthermore, 120 mm fans don’t rotate, so that less sound pressure generates from it. The 120mm supporters on the top ensure that no noisy sound roams as the supplier turns peacefully. It protects most places where noise and sound problems are likely to be reduced.

140mm Fan

For their spinning strength and huge dBA, the 140mm-fans come with higher sound frequency. They also generally have higher dBA noise, leading to more noise while doing multiple tasks. Some models, however, do not pose an enormous noise problem while they work. 140mm fans create a whispery sound that only occurs if the workload is high. However, the 140mm fans have a lower sonic frequency when we talk about 3 120mm fans versus 2 140mm fans who work bruisingly.

Final Verdict

The 140mm case fans are the winners in this comparison with Sound. They have a brilliant cold and exhaust pressure. Their ultra-silent operation turns them into the noise winner.

If you want a best-recommended fan, with all the notable features and characters, you can buy it by clicking the link below:

Enermax Marathon 120mm
Enermax Marathon 120mm

4. Dimensions

Another thing that distinguishes between the 120mm and 140mm case fans is their size. However, based on portability and room changes, we find one better.

120mm Fan

The 120 mm case ventilators take up less room on your PC with a size of 120x120x25 mm. They are also light in weight, so they need fewer places for their small scale. The 120mm case fans make sure that even after mounting a fan, your PC is spacious left. They are also lightweight with the upper hand, making them easy to install when you are a DIY user. The 120mm case fans on the top have a gap of 105mm from each other. This function also makes it easier for more air to flow.

140mm Fan

The 140mm case fans are, on the contrary, equipped with a dimension of 140x140x25, a negative aspect for both weight and size. On top of the screw holes, you have a more considerable distance of up to 124.5mm, which is essential for installation in PC hardware. However, the large measurement makes air-fluid in any section. If you compare it equally, the 120mm case fan is their considerable space freedom and limited stand-in space. It makes the use easy and comfortable.

Final Verdict

The 120mm case fans are the winners in this comparison with suitable dimensions. They have a brilliant cold and exhaust pressure.

If you want a best-recommended fan, with all the notable features and characters, you can buy it by clicking the link below:

Pccooler 120mm Fan Moonlight Series
Pccooler 120mm Fan Moonlight Series

5. Required Number of Slots

The appropriate number of slots for the fans of 120mm and 140mm is different. Even if they’re different from each other, for another reason, they’re fine.

120mm Fan

Fans of 120 mm need three slots on your PC case’s front or top panel. The top has 4 or 3 pins to attach easily to the PC to provide cool air. But three fans are required to give the Airflow decently. The 120mm case fans can be mounted horizontally or vertically. You can use the two slots, but they don’t offer a good airflow.

140mm Fan

The fans of the 140mm case require two slots to give the entire PC hardware sufficient Airflow to cool down. You also ensure superior airflow capacity and room fitness on your PC. This part is essential to work correctly. You can also use a fan to provide Airflow, but comparison to dual support is not practical. The two slots of 140mm fans’ also improve your PC’s cooling efficiency.

Final Verdict

We find 140mm fans the winner to offer higher Airflow in your PC case for their fewer slots.

If you want a best-recommended fan, with all the notable features and characters, you can buy it by clicking the link below:

be quiet! Pure Wings 2 140mm
be quiet! Pure Wings 2 140mm

6. Pricing Difference

The price point is another place where the 120mm to the 140mm fans were different. 

120mm Fan

The fan of 120mm seems pretty priced as the first challenger. In this case, fan, Airflow, longevity, and efficiency at affordable prices are impressive, between $10 and $30.

140mm Fan

The following challenger is the 140mm case supporters, who are very costly. However, considering its ample Airflow and durability, the price tag is justifiable. The 140mm fan will significantly enhance the PC output. You should avoid overheating your computer machine. Fans of 140mm cost 10 to 35 dollars. The prices vary depending on the fan.

Final Verdict

In general, for a good cause, we find the two fans good. The 140mm case fan is suitable for optimal efficiency and airflow advantages. If you want a budget-friendly good refrigeration fan for your PC case, your best bet is the 120mm case fans.

If you want a best-recommended fan, with all the notable features and characters, you can buy it by clicking the link below:

Kingwin 120mm Silent Fan
Kingwin 120mm Silent Fan

Frequently Asked Questions

It is good to use three fans of 120mm and two fans of 140mm?

2 140mm will drive the air further and be louder than 3 120mm supporters. The third 120mm fan doesn’t help as the air fills in the PSU roof and only adds more motor noise. However, there are obstructions in a few extra CFMs of philosophy that does not matter.

Can you tell that more giant fans are good to use?

In general, more giant fans can transfer the same amount of air as smaller fans per minute in lower revolutions. As small electric motors don’t have to spin that quickly in the fan system, more giant case fans are quieter than smaller ones – and thus more attractive, should they be supported by your case.

140mm fans are more quitter than 120mm fans?

In general, 140mm fans produce the whispery Sound that only occurs if the workload is high. However, the 140mm fans have a lower sonic frequency when we talk about 3 120mm fans versus 2 140mm fans who work bruisingly.

Why corsair fans are too costly?

The cost of the product produced and the cost of raw materials have to consider. In this situation, Corsair’s fans have high manufacturing costs, so the cost of the product would be high. The price would be better if the costs of materials were lower.

Conclusion

This article describes the difference between 120 mm fans vs. 140 mm fans. Both varieties have the most promising models to speak about and also some troubling ones. It is not very realistic for us, from this point of view, to declare a winner. However, we want you to consider your case here.

The standard case for 120mm fans with apparently quiet operation and slots is undoubtedly the standard for most PC cases. However, the raw 140mm capacity is somewhat superior to the 120mm fan. If you can consider this, the 140mm is undoubtedly more robust with more air movement capability to have a sound noise reduction. 

Now that the three 120mm fans compared to two 140mm fans are even unique, here are some suggestions to support. The two fans of 120mm will provide more air, but the margin is minimal. It certainly would cost you more when you’re loud. It would also gain more strength, not to forget.

However, with two 140mm fans, the only thing to worry about is slightly less air pushing, especially given the cost. Also, though working silently, it would not draw as much power as the competitor. The finder should search for such a model that works well for the output of his PC.

Avatar of Muhammad Nadeem

My name is Muhammad Nadeem. Just complete my graduation in computer science. I love to play games. I am working as a computer hardware seller in the offline and online marketplace.