To select these U? Only because of three points!

The eighth-generation Core Duo and the second-generation Rui Long are Xiaobian's most recent choices when it comes to installing CPUs. What does this mean for shrimp? Of course not because Xiaobian is new and old, but because the three most basic specifications of these new processors determine that they are better than the old ones and more worth buying!

Process technology to understand?

Process technology refers to the fineness of the production process of the chip. It is generally expressed by the wiring width of the internal circuit. The smaller the number, the more advanced the manufacturing process. For example, the second generation of Ruilong's 12-nanometer (nm) process is better than the first. Dai Ruilong’s 14nm process is more advanced.

The more advanced the technology is, the more lines are accommodated in the same area, the stronger or smaller the CPU can be, and the heat and power consumption are generally reduced. However, the measurement standards of different manufacturers are different, and the same manufacturer will continue to improve, so even if the "same" process technology, the performance of the product may not be the same .

What is the core? Performance depends on it!

The main component of the CPU is a circuit chip, generally called the CPU core (Die), but most of the time everyone can only see the metal shell that is used outside to protect and dissipate heat. The core of the CPU will continue to improve to adapt to the development of computer applications. For example, the eighth generation of Core Duo has substantially improved based on the current needs, and the same level of product performance has improved a lot compared to the seventh generation Core.

Different arrangements and colors on the core represent different functional areas of the CPU

TDP power consumption!

The full name of TDP is "heat dissipation design power consumption," which means that the chip achieves the highest heat output when the load reaches 100%. Pay special attention to the fact that the actual operating power (power supply requirements) of the CPU is greater than TDP, and do not confuse it! The TDP is related to the complexity and frequency of the CPU core, and a better process can reduce the TDP properly. This problem is quite complicated. Xiao Bian still uses two CPUs with similar positioning to compare.

The i7-8700 has 50% more cores/threads than the i7-7700, and the cache has also increased by 50%. Obviously, the structure is more complex, but the TDP of the two is exactly the same. Is this why? From the table, the i7-8700 reduced the default frequency, while the Turbo frequency (the single-core maximum frequency) increased a little. In this way, when the total nuclear mobilization work together, with more than half the number of threads, the frequency will not be too high to be able to circumvent the seventh generation of Core Duo, then the maximum TDP reflected in this case will not be too high; and In common applications that focus on single-core performance, single-core higher frequencies also result in better performance, so the overall performance of the i7-8700 is significantly better than the i7-7700 when the TDP is unchanged. Of course, a more optimized 14nm process also has a role in reducing the TDP of the i7-8700.

It can be said that the process technology is the basis of the CPU core design, the CPU core design is the basis of performance, and the process technology and the core design jointly determine the level of TDP, which is the practical ability of the processor (most of the small partners are not willing to buy A "high-energy" CPU that needs water cooling, not to mention the "cool" CPU needed in the books. This is why Xiao Bian always chooses the eighth-generation Core Core and the second-generation Ruilong when it is recommended for installation. It is to see that their process technology and core design are more advanced while the TDP remains basically the same.