Intel Xeon or AMD EPYC?

Apr 25, 2025


When you choose between Intel Xeon and AMD EPYC, consider your specific tasks. Intel Xeon chips excel in single-core jobs, making them ideal for applications like Redis and MongoDB. On the other hand, AMD EPYC chips are more suited for multi-core tasks, which is why they are perfect for powerful solutions like a Hong Kong Dedicated Server.

Key Takeaways

  • Pick AMD EPYC for tasks needing many cores. It works great for virtualization, data analysis, and AI. It gives better speed and saves energy.

  • Go with Intel Xeon for single-core tasks. It is good for databases and works with many systems.

  • Think about the overall cost. AMD EPYC usually costs less because it uses less power and needs fewer servers.

Technical Specifications of Intel Xeon and AMD EPYC

Core Count and Thread Count

AMD EPYC has more cores than Intel Xeon. For example, AMD EPYC can have up to 96 cores, while Intel Xeon stops at 60 cores. This makes AMD EPYC better for tasks needing many threads. A mid-range AMD EPYC has 24 cores and 48 threads. In comparison, Intel Xeon has 28 cores and 52 threads. Even though Intel Xeon has more threads here, AMD EPYC’s higher core limit helps it handle bigger tasks.

Processor Type

Cores

CPU Threads

AMD EPYC

24

48

Intel Xeon

28

52

Architecture and Manufacturing Process

AMD EPYC uses newer technology for its chips. For example, AMD Genoa uses an N6 process to improve chip communication. AMD’s EPYC Rome series uses 7nm technology, which is better than Intel Xeon’s 14nm process. This gives AMD EPYC a 50% boost in performance per clock, while Intel Xeon only improves by 5-10%. AMD also has better memory speed and security features like SEV-SNP to stop certain attacks.

Feature

AMD EPYC (Rome)

Intel Xeon

Manufacturing Process

7nm

14nm

Transistor Density

2X higher

Lower

IPC Improvement

50% increase

5-10% average

Memory Bandwidth

Enhanced

Standard

Security Features

SEV-SNP

Standard Hyperthreading

Memory Support and Bandwidth

Memory is important for server speed. AMD EPYC supports DDR5 memory with 12 channels, while Intel Xeon supports DDR5 but with only 8 channels. This gives AMD EPYC better memory performance. For example, AMD EPYC’s 2022 models have 96 cores, 12 memory channels, and DDR5-4800 support. Intel Xeon’s 2021 models have 60 cores, 8 memory channels, and DDR5-4800 support, which is good but less powerful.

Processor

Year

Max Cores

Memory Channels

Memory Speed

Memory Bandwidth Increase

Intel Xeon

2021

60

8

DDR5-4800

50% increase

AMD EPYC

2022

96

12

DDR5-4800

Significant increase

PCIe Support and Expansion Capabilities

AMD EPYC is better for PCIe lanes. It offers up to 128 PCIe 4.0 lanes in models like the EPYC 7663. This allows more devices, like GPUs and storage drives, to connect. Intel Xeon has fewer PCIe lanes, which limits adding extra devices. If you need many connections, AMD EPYC is the better choice.

Performance in Workload-Specific Scenarios

Virtualization and Cloud Computing

For virtualization and cloud computing, both AMD EPYC and Intel Xeon work well. But AMD EPYC is often better for multi-core tasks. It is a top pick for virtualized systems. Its higher core count and advanced features make it faster.

For example, the AMD EPYC 9654 scores 40.51 on VMmark3 with 43 tiles in a 2-node, 4-socket setup. Intel Xeon Platinum 8490 scores 23.38 with 23 tiles in the same setup. This shows AMD EPYC is much better for virtualized tasks.

Processor Model

Configuration

VMmark3 Score

Performance Advantage

AMD EPYC 9654

2 Node, 4 Total Socket

40.51 @ 43 Tiles

~1.73x

Intel Xeon Platinum 8490

2 Node, 4 Total Socket

23.38 @ 23 Tiles

If your business uses virtualization or cloud services, AMD EPYC is more scalable and efficient.

Database and Analytics Workloads

Database and analytics need strong and fast processors. AMD EPYC is great here because of its design and many cores. For instance, AMD EPYC 9654 scores 13,000 tpsE on Microsoft SQL Server 2022. Intel Xeon Platinum 8490H scores 12,436 tpsE. AMD EPYC also costs less per performance, making it a smart choice for database tasks.

Processor Type

Benchmark

Performance

Price

Availability

AMD EPYC 9654

Microsoft SQL Server® 2022

13,000 tpsE (135.4 tpsE/core)

$74.09/tpsE

5/24/23

Intel Xeon Platinum 8490H

Microsoft SQL Server® 2022

12,436 tpsE (103.6 tpsE/core)

$95.46/tpsE

5/18/23

AMD EPYC 9174F

TPC Benchmark H @ 1000GB

1,156,627 QphH

$265.09/QphH

12/05/22

Intel Xeon Platinum 8268

TPC Benchmark H @ 1000GB

824,693 QphH

$459.50/QphH

3/03/21

AMD EPYC is also better for analytics. For example, AMD EPYC 9654 handles ~126,980 TPROC-H queries per hour on MySQL 8.0.17 DSS. Intel Xeon Platinum 8380 only handles ~47,452 queries per hour. This makes AMD EPYC the best for analytics tasks.

AI, Machine Learning, and HPC

AI, machine learning, and HPC need very powerful processors. AMD EPYC beats Intel Xeon in these areas because of its advanced design and multi-core power.

Benchmarks prove AMD EPYC’s strength. In the GPT-J BF16 test (batch-size=16), AMD EPYC scores 2.84 compared to Intel Xeon’s 1. In other tests like qe-7.0_Ta205 (1.98x) and gmx_water1536K_PME (~3.12x), AMD EPYC also wins.

If you work with AI models, science simulations, or HPC, AMD EPYC is the best choice.

General Enterprise Applications

For general business tasks, both AMD EPYC and Intel Xeon are reliable. But AMD EPYC often does better in multi-threaded jobs. For example, Node.js and PHP tests show AMD EPYC is faster. Its design keeps data closer to cores, improving speed.

Intel Xeon is better for single-threaded tasks. It performs well in specific tests. This makes it good for apps needing single-threaded power. But for most business needs, AMD EPYC offers better value and performance.

Tip: Use AMD EPYC for multi-threaded tasks. Choose Intel Xeon for single-threaded jobs.

Power Consumption and Energy Efficiency

TDP Comparison

TDP shows how much heat and power a CPU uses. AMD EPYC CPUs usually have lower TDP than Intel Xeon. This means they use less energy. For example:

Processor Model

TDP (W)

Performance Benchmark (SPECrate2017_fp_base)

Intel Xeon Platinum 8180

205

Matches AMD EPYC 7601 in some tasks

AMD EPYC 7601

180

Sets record in floating-point performance

Intel Xeon Gold 6130

125

Outperforms AMD EPYC 7601 in some setups

Intel Xeon Platinum 8160

150

Wins against AMD EPYC 7601 in areas

Intel Xeon Gold 6138

125

Competes well with AMD EPYC 7601

The AMD EPYC 7601 has a TDP of 180W and holds a floating-point performance record. The Intel Xeon Platinum 8180, with a higher TDP of 205W, performs well but uses more power. Lower TDP often means better efficiency, especially for multi-threaded tasks.

Real-World Energy Efficiency Metrics

In real use, AMD EPYC CPUs are more energy-efficient. For instance, the AMD EPYC 8324P handles 29.9% more SQL Server tasks while using 25.6% less power than Intel Xeon Gold 5218. This gives it 74.7% better performance per watt.

Metric

AMD EPYC 8324P

Intel Xeon Gold 5218

SQL Server transactions handled

29.9% more

N/A

Power consumption

25.6% less

N/A

Performance per watt

74.7% more

N/A

Energy savings from OLTP consolidation

48.2%

N/A

Reduction in VMware licenses required

20.0%

N/A

These numbers show AMD EPYC is better for saving energy. It’s a great choice for businesses that care about efficiency.

Impact on Data Center Costs

Using less energy lowers data center costs. AMD EPYC CPUs cut electricity and cooling expenses. For example, they save up to 48.2% in energy costs with OLTP consolidation. They also need fewer servers, reducing hardware and license costs. Choosing AMD EPYC helps save money while keeping performance high.

Tip: Pick AMD EPYC CPUs if you want to save energy and reduce costs in your data center.

Pricing and Value for Money

Initial Purchase Costs

When buying AMD EPYC or Intel Xeon, AMD EPYC often costs less. For example, the AMD EPYC 7401P has 24 cores and costs $1,050. The Intel Xeon Gold 6209U has 20 cores and costs $1,000-$1,100. This makes AMD EPYC cheaper per core, as shown below:

Processor Type

Cores

Base Clock

Turbo Clock

Price (USD)

Price per Core (USD)

Intel Xeon Gold 6209U

20

2.1GHz

3.9GHz

$1000-$1100

$50-$55

AMD EPYC 7401P

24

2.0GHz

3.0GHz

$1050

$43.75

If you need more cores for less money, AMD EPYC is better. But if you want faster single-threaded speeds, Intel Xeon might be worth it.

Tip: Think about your tasks. For many cores, pick AMD EPYC. For single-threaded speed, Intel Xeon could be better.

Total Cost of Ownership

The total cost of ownership (TCO) includes more than just the price tag. It also covers energy use, upkeep, and software costs over time. AMD EPYC saves money here because it uses less power and costs less to run. For example, AMD EPYC’s TCO tool looks at hardware, software, and energy costs over three years. This helps you see long-term savings.

Intel Xeon uses more power, which raises energy bills. AMD EPYC also needs fewer servers for the same work, cutting hardware and license costs. This makes AMD EPYC a smart choice for saving money in data centers.

Note: AMD EPYC’s first-year TCO doesn’t include I/O costs. Remember this when planning your budget.

Price-to-Performance Ratio

The price-to-performance ratio is key when picking a server CPU. AMD EPYC gives better performance for the price. For instance, the AMD EPYC 7401P has 24 cores for $1,050, costing $43.75 per core. The Intel Xeon Gold 6209U, with 20 cores, costs $50-$55 per core. This shows AMD EPYC is better for multi-threaded tasks.

AMD EPYC also beats Intel Xeon in many tests while costing less. This makes it great for businesses wanting high performance without overspending. However, Intel Xeon might be worth its higher price for tasks needing top single-threaded performance.

Callout: Want the best performance for your money? Choose AMD EPYC. But for single-threaded tasks, Intel Xeon might still be a good option.

Compatibility and Ecosystem Support of Intel Xeon Processor

Motherboard and Chipset Compatibility

When picking a server CPU, check motherboard compatibility. Intel Xeon works with many motherboards and chipsets. This gives you options to match your needs. Intel partners with motherboard makers to ensure compatibility. Both old and new Xeon models have supported options. For instance, Xeon Scalable processors work with C620 chipset motherboards. These boards offer better I/O and memory features.

Intel provides guides to help pick the right motherboard. This makes building or upgrading servers easier. If you want smooth integration, Intel Xeon is a dependable choice.

Software and Driver Support

Intel Xeon processors are great for software support. They work well with Windows Server, Linux, and VMware. Intel updates drivers often to match new software versions. This reduces downtime and keeps systems stable. Whether running databases or virtual machines, Intel’s software support is reliable.

Vendor and Partner Ecosystem

Intel Xeon has strong support from vendors and partners. Many companies design products to work with Xeon processors. This includes storage, networking, and enterprise software. Intel and its partners also offer technical help. This support makes setting up and maintaining servers easier. It also ensures your system stays ready for future needs.

Security Features of AMD EPYC and Intel Xeon

Hardware-Based Security Enhancements

Both AMD EPYC and Intel Xeon have strong security features. AMD EPYC uses Secure Encrypted Virtualization (SEV) to protect virtual machines. Each virtual machine gets its own encryption key for safety. Intel Xeon uses Software Guard Extensions (SGX) to create secure spaces for sensitive data. These spaces stop unauthorized access to your applications. Both processors offer great hardware-level security for different needs.

Encryption and Data Protection

Encryption keeps your data safe from threats. AMD EPYC has Secure Memory Encryption (SME) and SEV-SNP for better protection. These features encrypt memory and block unauthorized access during processing. Intel Xeon has Total Memory Encryption (TME), which encrypts all memory. This keeps data safe even if someone physically accesses the server. Both CPUs are good at encryption, but AMD EPYC has more advanced memory protection.

Vulnerability Mitigation

Stopping vulnerabilities is key to keeping servers secure. AMD EPYC is built to resist attacks like Spectre and Meltdown. It uses hardware fixes and better isolation to stay safe. Intel Xeon also fights vulnerabilities with updates and hardware changes. However, Intel has had more issues fixing some problems in the past. If you want stronger protection against vulnerabilities, AMD EPYC might be a better choice.

Scalability and Future-Proofing

Multi-Socket Configurations

When growing your server, multi-socket support matters. AMD EPYC processors are great for this. They work well with 2-socket and 4-socket systems. This means you can add more CPUs to boost performance. For example, the AMD EPYC 9004 series can handle up to 192 cores in a dual-socket setup. This makes it perfect for heavy computing tasks.

Intel Xeon processors also allow multi-socket setups. However, most models only support 2-socket systems. Some Intel models do offer 4-socket options, but they are rare and need special hardware. If your business needs more scalability, AMD EPYC is the better choice.

Support for Emerging Technologies

To prepare for the future, servers need to support new tech. AMD EPYC leads with PCIe 5.0, DDR5 memory, and SEV-SNP security. These features make servers faster, safer, and ready for upgrades.

Intel Xeon processors also support PCIe 5.0 and DDR5 memory. But AMD EPYC often adopts these technologies earlier. This gives you quicker access to the latest advancements.

Longevity and Upgrade Path

Picking a CPU with easy upgrades saves money over time. AMD EPYC uses the same socket design across many generations. For example, the SP5 socket works with current and future AMD EPYC models. This reduces the need for new hardware.

Intel Xeon changes socket designs more often. This makes upgrading harder and more expensive. If you want long-term compatibility, AMD EPYC is a smarter choice.

Pros and Cons of Intel Xeon and AMD EPYC

Intel Xeon: Strengths and Weaknesses

Intel Xeon CPUs work well with many motherboards and chipsets. This makes them great for businesses using older setups. Intel’s partnerships ensure smooth use with software and hardware. Xeon chips are also strong in single-threaded tasks, like databases and some business apps.

But Intel Xeon has downsides too. It has fewer cores than AMD EPYC, which slows multi-threaded tasks. Xeon chips use more power, raising energy bills. Also, frequent socket changes make upgrades harder and costlier.

Tip: Pick Intel Xeon if you need compatibility and single-threaded speed, not core count or energy savings.

AMD EPYC: Strengths and Weaknesses

AMD EPYC CPUs are excellent for multi-threaded jobs. They have more cores and better designs for tasks like AI, analytics, and virtualization. AMD EPYC uses less power, cutting energy costs. Its steady socket design makes upgrades easier and future-ready.

However, AMD EPYC isn’t as good as Intel Xeon in single-threaded tasks. It may also struggle with older hardware or software. While AMD’s ecosystem has improved, Intel still leads in this area.

Note: AMD EPYC is ideal for multi-threaded work and saving energy. But check if your setup supports AMD before switching.

Deciding on Intel Xeon or AMD EPYC depends on your tasks. Intel Xeon is great for single-core jobs and compatibility. AMD EPYC is better for multi-core tasks and saves energy.

Tip: Think about your tasks and budget. Ask IT experts for advice to choose the right option.

FAQ

What is the key difference between Intel Xeon and AMD EPYC?

Intel Xeon is better for single-threaded tasks and works with more systems. AMD EPYC has more cores, uses less energy, and costs less for multi-threaded jobs like virtualization and data analysis.

Which CPU works best for AI and machine learning?

AMD EPYC is better for AI and machine learning tasks. Its many cores and advanced design handle tough calculations faster than Intel Xeon.

Can AMD EPYC processors work with older hardware?

AMD EPYC might not work well with older hardware. Check your system details and ask IT experts to make sure it will work smoothly.



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