We must consider, before we begin, that with this article we will begin skip the make up of graphics cards with blower fans. In other words, we will focus on explaining to graphics cards that have an external structure for fans, those who usually come in between three or three followers.
There are not always better alternatives
There are many fans and most varied image designs we can find, but they all have one thing in common: they have one or more heat-resistant aluminum blocks on the GPU and its components using heaters, and The fans are responsible for cooling these blocks, promoting GPU performance at the right temperatures.
However, a large number of fans were less efficient depending on the composition of these aluminum foil blocks. For example, in the image above you can see the Devil 13 PowerColor drawing, which is a large heatsink size and curated by three fans. However, it seems clear that those fans are too small for the size of the heatsink
Another example can be found on most graphics cards of the input or mid-range, with a heatsink design that has two or three fans and that half or more of the final fan is outside the PCB.
This does not mean that it is wrong, it is simply inactivity and with a solution of two but larger followers a better result will be obtained. Why do makers do it this way? Because they already have a fan base for their graphics cards and, this way, they don't have to change it. But what we want to tell you about this For most fans, we will not have better temperatures (although in many cases yes, it is).
The ideal design is one or two designs
Depending on PCB size, as it makes sense, because putting more fans on the graph with a smaller PCB, as we mentioned, doesn't work, too it is better to place smaller but larger fans than many and minor ones.
In any case, and given the design of the aluminum foil blocks used by many manufacturers, in addition to the size of PCBs no longer needed, Ideally, design-fan two. Why? Because they usually split the heatsink into two blocks, and if there are fans cooling each one, it would be a very effective construction.
It is necessary to convert, range, of fans in order for their airflow to reach extremely high altitudes and, in transit, sub-components are created, especially VRM since it has been extremely hot. See for example the structure of RTX 2080 SUPER
Generally, designers are always successful with design
As a standard law manufacturer you already have a heatsink structure and number of followers for their graphics cards as efficient as possible. Some are better and some are worse, but they are all designed to be as efficient and quiet as possible.
Worse is the new batch of AMD or NVIDIA graphics cards They are changing the size of the PCB, and compilers want to continue to use existing designers instead of creating a whole new set of graphics. This is where problems arise, which are less problematic but less efficient, because the heatsink does not fit well on the graph again, we can just say that it would be better.