HomeTech NewsIntel and AMD have entered the GHz race with one purpose: to...

Intel and AMD have entered the GHz race with one purpose: to beat the competition in single-thread performance

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The battle that the processors proposed by Intel and AMD for the 2022-2023 academic year are about to wage is going to be fierce. And it is that this new generation is going to put on the table two very different strategies that have already reached full maturity. On the one hand, AMD wields some Ryzen 7000 that promise us to be competitive if we stick to their brute force, but that also aspire to stand out for their performance per watt.

Intel, however, took a different path last generation with its Alder Lake microarchitecture. Its new 13th generation Core processors with Raptor Lake microarchitecture consolidate its commitment to a hybrid architecture which combines high-performance (AR) cores and high-efficiency (AE) cores, and openly aspire to dominate their competitors based on raw performance.

Soon we will have the opportunity to analyze these two families of microprocessors in depth, and, of course, when we do, we will share with you our conclusions and we will check together if both brands fulfill what they promise. Still, AMD’s Ryzen 7000s and Intel’s 13th Gen Cores have one important thing in common: both families have clearly raised the bar for the maximum clock frequency they are capable of running at. And they have done so with an ambitious purpose.

The 6 GHz barrier (without overclocking) is a stone’s throw away

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The performance of a microprocessor is conditioned by a wide range of parameters. The clock frequency at which you work has a profound impact on your productivity, but there are other factors which are also very relevant. The work that the CPU is able to carry out in each cycle of the clock signal is also decisive, and, interestingly, is described by a large number of features of the microarchitecture.

The CPI (Instructions Per Cycle) reflects the average number of instructions that the processor executes on each cycle of the clock signal. And it is very important. The cache memory also has a direct impact on performance, but not only its size and the number of levels are relevant; The strategies it uses both to update the content of the cache sublevels and to maintain consistency between it and main memory matter a lot. But everything does not end here.

The performance of the CPU is also conditioned by its number of cores, the implementation of SMT technology and other essential characteristics of the microarchitecture, such as the number of execution units, the strategy of branch prediction algorithms or the design of the CPU. of the execution channel (pipeline). It is not necessary for us to know in detail what these components consist of, but all this reminds us that the performance of a processor is conditioned by many parametersand not only because of the clock frequency at which it works.

Both AMD and Intel in this generation have fully stepped on the clock frequency accelerator

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Even so, there is a context in which the maximum clock frequency at which one of the CPU cores is capable of working has a monumental impact on its performance: the single-threaded execution scenario. Games are taking better advantage of the presence of multiple cores in the CPU, but most of them are still very dependent on the performance that a single core can deliver when working under stress.

In any case, there is no doubt that both AMD and Intel in this generation have fully stepped on the clock frequency accelerator, and they have done so with the firm intention of beating their competitor in a single-threaded execution scenario. In addition, the increase in frequency that they propose to us is far from timid. Quite the contrary. Both the Ryzen 7000 and the 13th generation Core can work at a maximum clock frequency noticeably higher than its predecessors.

In the following table we have collected the specifications of the Intel 13th generation Core that interest us for this article. The base clock rate of the AR and AE cores is similar in Alder Lake and Raptor Lake, however, the maximum clock rate is noticeably higher in the new Intel processors. In fact, as we can see, the Core i9-13900K is capable of reach 5.8GHz. It’s not but nothing bad.

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Intel core i9-13900k

intel core i7-13700k

intel core i5-13600k

Serie

Raptor Lake-S

Raptor Lake-S

Raptor Lake-S

photolithography

Intel 7

Intel 7

Intel 7

total nuclei

24

16

14

high performance (ar) cores

8

8

6

high efficiency cores (ae)

16

8

8

threads

32

24

twenty

maximum clock rate

5.8GHz

5.4GHz

5.1GHz

turbo boost max frequency 3.0

5.7GHz

5.4GHz

Not available

base frequency cores ar

3GHz

3.4GHz

3.5GHz

max frequency ar cores

5.4GHz

5.3GHz

5.1GHz

base frequency cores ae

2.2GHz

2.5GHz

2.6GHz

maximum frequency cores ae

4.3GHz

4.2GHz

3.9GHz

AMD has also taken this path. And it has done so with the same conviction as Intel. In fact, their new Ryzen 7000 are much faster if we stick to their clock frequency than the Ryzen 5000. The base clock frequency of the latter does not exceed 4 GHz in any case, while this parameter in several Ryzen 7000 reaches the 4.7 GHz. And if we look at the maximum clock frequency, the 4.9 GHz of the Ryzen 9 5950X pales vs. 5.7GHz of the Ryzen 9 7950X.

amd ryzen 9 7950x

AMD RYZEN 9 7900X

AMD RYZEN 7 7700X

AMD RYZEN 5 7600X

Serie

AMD Ryzen 7000 (Zen 4)

AMD Ryzen 7000 (Zen 4)

AMD Ryzen 7000 (Zen 4)

AMD Ryzen 7000 (Zen 4)

photolithography

TSMC 5nm FinFET

TSMC 5nm FinFET

TSMC 5nm FinFET

TSMC 5nm FinFET

total nuclei

16

12

8

6

threads

32

24

16

12

maximum clock rate

5.7GHz

5.6GHz

5.4GHz

5.3GHz

base clock rate

4.5GHz

4.7GHz

4.5GHz

4.7GHz

The cards are on the table. And she upside down. On paper, both Intel and AMD offer us competitive processors, but our verdict will come when we test them thoroughly and both in a single-threaded execution scenario and in a demanding multi-threaded context. We’ll see what happens when that time comes. Swords are high, and users are happy that these two brands offer us really competitive solutions. Let’s trust that both live up to the expectations they are generating.

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