Difference Between Itanium and Xeon (With Table)

Itanium and Xeon both are microprocessors produces by Intel. The microprocessor is the data processing and control by a small amount or single integrated circuits. The microprocessor is a clock-driven, register-based, digital integrated circuit that helps in binary data. Both Itanium and Xeon are manufactured by Intel. The difference between these two microprocessors is given below to understand their advantages and disadvantages.

Itanium vs Xeon

The difference between Itanium and Xeon is that they have completely different architecture among them. The Itanium microprocessor uses IA-64 architecture, whereas the Xeon uses X86 architecture. The executing capacity of Xeon is also higher than that of Itanium. The Itanium is discontinued from 2021. The Xeon microprocessor is released in the market in 1998 before Itanium. 

Itanium microprocessor was released in the market in June 2001.  It used IA-64 architecture and was manufactured by Intel. It has been made many upgrades, and the latest Itanium microprocessor model is the Itanium. Its maximum CPU clock rate was 733 MHz to 800 MHz. FSB (Front Side Bus) speed of this microprocessor is 780 MT/sec. One feature of Itanium is also the smart compiler. The compiler is software that is used to compile the programs and execute them.

Xeon microprocessor works on X86 architecture. It is the most updated and holds a great level in the market. This microprocessor is available in dual-core as well as multicore. In dual-core, it has 5 five versions, and in multicore and quadcore, it has six versions. It makes fewer problems in adapting both old and new technologies and appliances. Nowadays its production is increased to meet the market needs.

Comparison Table Between Itanium and Xeon

Parameters of ComparisonItaniumXeon  
ArchitectureIA-64X86
Capability of executingOne instruction per cycleSix instructions per cycle
Adapting new technologiesIt lags in comparison to Xeon.It leads in comparison to Itanium.
Adapting old applications Less capability creates more problem.High capacity and creates minimal problems
Amount of productionLess quantity productionLarge quantity production

What is Itanium?

Itanium microprocessor was released in the market in June 2001. Itanium uses IA-64 architecture. It was manufactured by Intel. It was mainly targeted for high-end servers and high-performance computing. It has been made many upgrades, and the latest Itanium microprocessor model is the Itanium.

Its maximum CPU clock rate was 733 MHz to 800 MHz. FSB (Front Side Bus) speed of this microprocessor is 780 MT/sec. The Itanium microprocessor is also used in supercomputers. One out of ten supercomputers has an Itanium microprocessor. This microprocessor supports operating systems such as Windows, Gentoo Linux, etc.

One feature of Itanium is also the smart compiler. The compiler is software that is used to compile the programs and execute them. This high-speed compiler has the ability to execute more instructions per cycle. The updated versions of this microprocessor have this feature of executing more instructions, so it has been more advanced in comparison to the previous versions.

The Itanium has been updated many times, like, after the first version of Itanium 2001, the next version came to the market in 2002 with some latest features. After that, the next version appeared in the market in 2010 as Itanium 9300, and the latest version of Itanium was released in 2017 as Itanium 9700 (Kittson). 

Some Itanium based systems were manufactured by Hewlett Packard Enterprises/ HP and several other manufacturers. The Itanium is discontinued from 2021 due to its decreased value in the market.

What is Xeon?

Xeon microprocessor works on X86 architecture. It is the most updated and holds a great level in the market. It makes fewer problems in adapting both old and new technologies and appliances. Nowadays its production is increased to meet the market needs.

This microprocessor is available in dual-core as well as multicore. In dual-core, it has 5 five versions, and in multicore and quadcore, it has six versions. This microprocessor was designed keeping in mind the needed features by the non-consumer workshops and the embedded systems. The features of this microprocessor are also able to fulfil the needs of the servers it is made for.

This microprocessor comes with a high level of execution properties. It can execute six instructions in a cycle. One of the main reasons for its popularity is the feature of acceptance of both newer and older appliances and technologies. A particular microprocessor is made to cope up with a particular version of the system. But if it can also accept newer technologies, its rate moves up high in the corresponding market due to dual applications. 

The Xeon microprocessor is very popular in the present and is getting more updated with new versions. These new versions are advanced with more high-quality facilities to win the heart of the users. The Xeon microprocessor comes in dual-core as well as multicore in its new versions.

Main Differences Between Itanium and Xeon

  1. Itanium works on IA-64 architecture, and the Xeon works on X86 architecture.
  2. Itanium has the capacity of executing one instruction per cycle, and on the other hand, the Xeon has the power to execute six instructions per cycle.
  3. Itanium often lags in adopting newer technologies, but Xenon does not lag in this situation.
  4. Itanium also has less capability to adopt old applications and creates many problems. Xeon makes minimal problems when working with old applications.
  5. Itanium has a low production rate as compared to Xeon. The Itanium is discontinued from 2021.

Conclusion 

Both Xeon and Itanium microprocessors were very popular in the market. Itanium was in the market for very little time in comparison to Xeon. Itanium was first launched in the market in 2001 and was discontinued in 2021, but the Xeon was launched in 1998 and is still in huge demand. The Xeon has some advantages in terms of adaptability to new and old technologies and appliances.

 It is manufactured on the same architecture as regular desktop CPUs but has many advanced applications. The product was mainly targeted towards non-consumer workshops, embedded systems, etc. On the other hand, Itanium was mainly targeted for high-end servers running UNIX. So both of these microprocessors of Intel have ruled the market in a very popular manner.

References

  1. https://ieeexplore.ieee.org/abstract/document/877948/
  2. https://ieeexplore.ieee.org/abstract/document/7453080/

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