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AMD EPYC vs. Intel Xeon : La comparaison ultime

Temps de lecture : 5 minutes

For businesses looking to maximize their technology resources, making the right choice when selecting a processor is essential. When comparing processors, there are two popular favorites – AMD EPYC and Intel Xeon. However, with their respective cost, expandability, and performance advantages, it can take time to determine the optimal choice for your organization.

In this article, we’ll provide an overview of each processor’s background and features so you can get the most precise sense of how they differ and which processor best suits your business needs. By delving into their history, from AMD EPYC and Intel Xeon’s early days to modern developments, you will have all the information needed to decide which processor your organization should invest in.

Processor Architecture

If you’re considering AMD EPYC and Intel Xeon, it’s essential to understand the difference in their architecture first. AMD EPYC is focused on performance-per-dollar compared to Intel Xeon, with a 7nm Zen 2 core design that allows up to 64 cores at an affordable price. Intel Xeon instead offers higher clock frequencies and supports larger caches, which translates into better single-thread performance per core.

Another key difference between these processors is the way they approach memory access. For example, Intel Xeon optimizes memory performance by internally controlling access, while AMD EPYC emphasizes external control of shared memory with their Infinity Fabric technology. As a result, each processor has unique strengths that may suit different users’ preferences.


Regarding performance metrics, we can look at single-core and multi-core performance to give insight into which may be a better option for your setup. Benchmarks like Specint 2006 and Geekbench 3 starkly compare capabilities between both systems. Intel Xeon chips have typically come out on top in single-core tests due to their superior IPC rate.

However, AMD’s EPYC architecture offers better multi-core performance. Furthermore, the tendency for many current programs to focus on multi-threading has shown that AMD’s EPYC processor is more powerful than most of its competition regarding actual usage scenarios – making a compelling argument for those looking for reliable performance under heavy workloads.

Power Consumption and Efficiency

Power consumption and efficiency are increasingly important factors when making hardware purchase decisions. When comparing AMD EPYC and Intel Xeon processors, there is a noticeable difference between the stated TDP ( thermal design power ) and the actual power required in real-world usage. AMD EPYC offers up to four times greater performance per watt than Intel Xeon, meaning that users need substantially less electricity for operations, resulting in significantly lower operating costs (TCO). This translates into immediate business cost savings, giving AMD EPYC a significant advantage.


Businesses across all industries need powerful, reliable technology that can keep up with their growing demands and give them room to expand if needed. Scalability is essential for this, and assessing the performance metrics of PCE processors like AMD EPYC and Intel Xeon can help to showcase their true capabilities.

In terms of scalability, both come out on top thanks to excellent features like greater memory capacity and more PCIe lanes. AMD EPYC supports 128 PCIe 4 lanes and gains even more power via Infinity Fabric Link (up to six channels at 2.4 GT/s). As for Intel, Xeon’s scalable second-generation processor has 48 cores and offers up to 6TB of memory support. Impressive numbers from both sides!


AMD EPYC offers ‘Secure Memory Encryption’ technology for an added layer of protection and a secure boot feature to prevent system-level hacks. On the other hand, Intel Xeon has its own set of merits in performance from specific hardware accelerators built-in. So while AMD EPYC’s Secure Memory Encryption may take longer to incorporate into the data processing, preference depends on what combination you’re looking for between security, performance, and total cost of ownership.


As we enter 2023, many people turn to AMD EPYC and Intel Xeon processors for their computing needs. But there’s a big question: which processor will provide the best performance without breaking the bank?

Although both AMD EPYC and Intel Xeon offer competitive features in terms of performance, the prices of both processors can be subject to external forces such as supply and demand, product features, and other technological developments that can affect their costs. It is, therefore, important to consider the initial cost of either processor and the total cost of ownership when deciding which one is right for you.


If you’re looking at leaping either AMD EPYC or Intel Xeon processors, compatibility is one of the most important factors to consider. How will they work with different operating systems like Windows or Linux? How about their compatibility with virtualization software and other hardware components? With an AMD EPYC or Intel Xeon processor installed, users will want to check for potential compatibility issues to reap the full benefits. Intel’s Xeons are designed for heavy enterprise workloads, running on Linux- and Windows-based systems for maximum scalability with seamless switchover between applications. 

Meanwhile, AMD’s EPYC processors offer strong onboard security capabilities compatible with many outside security software packages. So however you decide to go when choosing AMD EPYC vs. Intel Xeon processors, make sure you factor in compatibility before making your final decision.

Cas d'utilisation

With the ongoing battle between AMD EPYC and Intel Xeon processors, it’s essential to understand the differences in use cases. Depending on whether you’re in a data center, cloud computing environment, or engaging in heavy-duty processing for HPC applications, each option brings something different to the table.

Regarding performance and TCO, EPYC’s higher core count per socket can help lower operational costs compared to Xeon chips. However, workload characteristics should be considered when comparing the two processors — as many workloads do not take advantage of EPYC’s high core counts and instead favor Intel’s fast clock speeds and higher Memory bandwidths.

Future Developments

Looking ahead to the future of these processors, we’re likely to see each brand continue to make further investments in advancements like AI and quantum computing. This will generate opportunities for significant developments in processors that can accomplish complex tasks more efficiently and with lower energy levels. As chipmakers focus on making their chips even faster, better optimized for power usage, and scalable enough to meet new demands from the market, it’s clear that cutting-edge technologies will be a driving force propelling transformation.

The outcome is that users benefit from massive jumps in performance, improved mobility features, and enhanced capabilities to handle increasingly large datasets. It’s an exciting time in the world of processors, and both AMD EPYC and Intel Xeon stand at the forefront of this technological revolution.

Avantages et inconvénients

MD EPYC and Intel Xeon are high-performance processors used in data centers and similar environments. Let’s take a look at the pros and cons of each:


  • More cores per socket than Intel Xeon
  • Better memory bandwidth
  • Lower power consumption
  • More PCIe 4.0 lanes


  • Lower single-core performance compared to Intel Xeon
  • Some software may not be optimized for AMD processors

Intel Xeon Pros:

  • Higher single-core performance
  • Better virtualization support
  • Strong brand reputation
  • Broad software support

Intel Xeon Cons:

  • Fewer cores per socket than AMD EPYC
  • Higher power consumption
  • Supports fewer PCIe lanes

Ultimately, the choice between AMD EPYC and Intel Xeon comes down to a trade-off between performance, power consumption, scalability, security, price, and compatibility. Here’s a summary of the trade-offs:

  • AMD EPYC has more cores per socket, better memory bandwidth, lower power consumption, and more PCIe lanes, but it may have lower single-core performance, and some software may not be optimized for it.
  • Intel Xeon has higher single-core performance, better virtualization support, a strong brand reputation, and broader software support. Still, it has fewer cores per socket, higher power consumption, and supports fewer PCIe lanes.


Performing a comprehensive comparison between AMD EPYC and Intel Xeon processors is vital in determining the most suitable processor for your given computing needs. Both options serve different purposes and are capable of yielding exceptional results. Overall, picking up an AMD EPYC or Intel Xeon is likely a reliable investment, particularly considering their longevity. 

Meanwhile, depending on your budget and needs, if you want to trade up to one of these powerful technologies or sell your old gear to Exit Technologies, both options are worth considering. We offer competitive prices on all types of equipment and provide rapid delivery times depending on your location. Contact us today!

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