Intel e7520 specs: Intel Xeon Processor E7520 | Techbuyer

Intel Xeon E7520: specs and benchmarks

Xeon E7520


  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution


Intel started Xeon E7520 sales 1 January 2010. This is desktop processor primarily aimed at professional systems. It has 4 cores and 8 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 1870 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA1567 processor with a TDP of 95 Watt.

We have no data on Xeon E7520 benchmark results.

General info

Xeon E7520 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ranking not rated
Market segment Server
Release date 1 January 2010 (13 years old)
Current price $625 of 15854 (Xeon Platinum 8276L)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores 4 (Quad-Core)
Threads 8
Base clock speed 1.87 GHz of 4.7 (Ryzen 9 7900X)
Boost clock speed 1.87 GHz of 6 (Core i9-13900KS)
L3 cache 18 MB L3 Cache of 768 (EPYC 7773X)
Chip lithography 45 nm of 4 (Ryzen 7 7840HS)
Maximum core temperature 70 °C of 110 (Atom x7-E3950)
64 bit support
Windows 11 compatibility
Unlocked multiplier


Information on Xeon E7520 compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one.

Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Socket FCLGA1567
Power consumption (TDP) 95 Watt of 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon E7520. You’ll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST) +
Hyper-Threading Technology +

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-x +

Benchmark performance

Single-core and multi-core benchmark results of Xeon E7520. Overall benchmark performance is measured in points in 0-100 range, higher is better.

We have no data on Xeon E7520 benchmark results.

Recommended GPUs

People consider these graphics cards to be good for Xeon E7520, according to our PC configuration statistics.

GeForce GTX


Graphics 630


Radeon HD

33. 3%

These are the fastest graphics cards for Xeon E7520 in our user configuration statistics.

There is a total of 3 configurations based on Xeon E7520 in our database.

GeForce GTX

33.3% (1/3)

Graphics 630

33.3% (1/3)

Radeon HD

33.3% (1/3)

User ratings: view and submit

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.

Questions and comments

Here you can ask a question about Xeon E7520, agree or disagree with our judgements, or report an error or mismatch.

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Intel E7520 | Alta Technologies

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Product Description

Intel E7520 1. 86GHZ/18MB/95W/4C, Xeon SLBRK CPU Processor

Product Specifications:
                        Brand: Intel
                        Part Number: E7520
                        Condition: Used

All equipment is guaranteed eligible for existing OEM or 3rd party maintenance plans. The Used Intel E7520 from Alta Technologies comes with a standard 90 days warranty from Alta, with extended maintenance plans available for purchase. All Intel Processors / CPUs hardware is fully tested and ready to ship. Stock images may be used on some products, so please ask us for exact photos, if required.

Bulk discounts are available, so please contact us for a custom quote.

Vadim Nevelskiy leads our Intel product team, and with over 1.3 million systems and parts in stock, our online listings represent just a fraction of our inventory on hand. Contact Vadim Nevelskiy for more information today:

Desk Phone: 763.475.5327
Email: [email protected]

We also buy back your excess Intel Servers for cash or trade-in.

Over 1.3 Million Parts!

Established in 1995, Alta Technologies has become one of the largest suppliers of enterprise IT equipment — from configured systems to features and upgrades. We have it in stock!


Our equipment comes from data center refreshes, cloud moves and trade-ins and is already in great shape. We fully test all equipment on the way in, and then test it again prior to shipment, so you can count on your purchase to ‘just work’, every time!


All equipment is supported by Alta warranty and is guaranteed eligible to be covered by maintenance, or we’ll take it back! (unless marked «as-is»)

Bulk Discounts:

Ordering dozens of a part or custom configuration? Contact us and we’ll be glad to provide a special quote!

What our customers say about us

Customer-Focused IT Hardware

Since 1995, we’ve poured all of our efforts into delivering products that match our client’s expectations and exceeds their price savings target.

With our huge inventory and industry-leading engineers, customers tell us they trust Alta for our reliability, custom configurations, parts responsiveness, lightning fast delivery and savings to boot.

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Huge Inventory

«Aisles and aisles of servers & IT equipment. Experts at what they do.»

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Alta Tech is a great company to work with. Reliable and Honest.

-Josh D.

Xeon E7520 processor

Xeon E7520

  • Interface
  • Core frequency
  • Video memory size
  • Memory type
  • Memory frequency
  • Maximum resolution


Intel started Xeon E7520 sales on January 1, 2010. This is a desktop processor primarily aimed at professional systems. It has 4 cores and 8 threads and is manufactured using 45 nm process technology, the maximum frequency is 1870 MHz, the multiplier is locked.

In terms of compatibility, this is an FCLGA1567 socket processor with a TDP of 95W.

We don’t have test results for the Xeon E7520.


Information about the type (for desktops or laptops) and architecture of the Xeon E7520, as well as when sales started and cost at that time.

Place in the performance rating does not participate
Type Server
Release date January 1, 2010 (13 years ago) 9 0038

Price now 625$ of 15854 Xeon Platinum 8276L)


Xeon E7520 quantitative parameters such as number of cores and threads, clock speeds, manufacturing process, cache size and multiplier lock state. They indirectly speak about the performance of the processor, but for an accurate assessment, you need to consider the results of the tests.


0037 1.87 GHz

Nuclei 4
BAZ Frequency of 4.7 (Ryzen 9 7900x) Cache Level 3 18 Mb L3 Cache out of 768 (EPYC 7773X)
4 (Ryzen 7 7840HS)
Max Core Temp 70°C of 110 (Atom x7-E3950)
64 bit support 037 Compatible with Windows 11
Free multiplier


Information on Xeon E7520 compatibility with other computer components. Useful, for example, when choosing the configuration of a future computer or to upgrade an existing one.

Please note that the power consumption of some processors can significantly exceed their nominal TDP even without overclocking. Some may even double their claims if the motherboard allows you to adjust the power settings of the processor.

90 037 95 W

Socket FCLGA1567
TDP of 400 (Xeon Platinum 9282)

Technology and additional instructions

Here are the technology solutions supported by the Xeon E7520 and additional instruction sets. This information is needed if the processor is required to support specific technologies. 9 + Hyper-Threading Technology

900 37 +

Safety technologies

Technologies embedded in the Xeon E7520 that enhance system security, such as those designed to protect against hacking.

Virtualization technologies

Technologies supported by Xeon E7520 that speed up virtual machines are listed. 9 + EPT +

Benchmark tests

These are the results of Xeon E7520 performance tests in non-gaming benchmarks. The overall score is set from 0 to 100, where 100 corresponds to the fastest processor at the moment.

We don’t have any test results for the Xeon E7520.

Best video cards for Xeon E7520

We have 3 configurations based on Xeon E7520 in our database.

According to statistics, these video cards are most often used with Xeon E7520:

GeForce GTX


Graphics 630


Radeon HD


Here are the most powerful video cards used with Xeon E7520 according to user statistics:

GeForce GTX

33. 3% (1/3)

Graphics 630

33.3% (1/3)

Radeon HD

33.3% (1/3)

User rating

Here you can see the rating of the processor by users, as well as put your own rating.

Tips and comments

Here you can ask a question about the Xeon E7520 processor, agree or disagree with our judgements, or report errors or inaccuracies on the site.

Please enable JavaScript to view the comments powered by Disqus.

Intel Xeon E7520 — 21 secret facts, review, specifications, reviews.

Top specifications and features

  • Heat dissipation (TDP)
  • Technological process
  • Number of Cores
  • CPU base clock
  • Number of threads


Intel Xeon E7520:
Best score:


Intel Xeon E7520:
Best score:

Interfaces and communications

Intel Xeon E7520:
Best score:

Main Features of

Intel Xeon E7520:
Best score:

Thermal Dissipation (TDP)

Intel Xeon E7520:
Best score:
0. 025W


The Intel Xeon E7520 processor runs at 1.87 Hz. At the same time, the maximum frequency in Boost mode reaches 1.87 Hz. 4 cores available. Power consumption at peak times can reach 95 watts.

The maximum number of threads that Intel Xeon E7520 can work with is 8.

Intel Xeon E7520 works on 45 nm architecture.

Regarding memory specification.

Now about the tests of Intel Xeon E7520. Based on the analysis of more than 4000 processors, Intel Xeon E7520 ranked 3288 in the ranking of the best.

Why Intel Xeon E7520 is better than others

  • L3 cache size 18 MB. This parameter is higher than that of 42% of goods
  • Hyper-Threading Technology
  • Thermal Dissipation (TDP) 95 W. This parameter is higher than 71% of products
  • Process 45 nm. This parameter is higher than that of 67% of goods
  • Number of cores 4 . This parameter is lower than 53% of products
  • The base clock frequency of the processor is 1. 87 GHz. This parameter is lower than that of 62% of goods
  • Number of threads 8 . This parameter is lower than 37% of products
  • The maximum clock frequency in Turbo mode is 1.87 GHz. This parameter is lower than that of 64% of goods

Overview Intel Xeon E7520



Interfaces and communications

Main characteristics

Intel Xeon E7520 Review: Highlights

Function Execute override bit


Number of threads

The more threads, the higher the performance of the processor, and it will be able to perform several tasks at the same time.
Show all


max 256

Average: 10.7


L3 cache size

Large amount of L3 memory accelerates results in CPU and system performance settings
Show all


max 768

Average: 16.3 MB


Maximum Turbo Clock Speed ​​

When the processor speed drops below its limit, it can jump to a higher clock speed to improve performance.
Show all


max 5.5

Average: 3.2 GHz


Number of cores


max 72

Mean: 5.8


Processor base clock speed


max 4.7

Average: 2.5 GHz


Enhanced SpeedStep (EIST)


Hyper-Threading Technology

Many Intel processors use state-of-the-art hyper-threading technology. Thus, each processor core works simultaneously on two threads, which significantly increases performance. Most processors work on the principle: one thread per core, therefore, their performance is lower.
Show all






Process technology

The small size of the semiconductor means it is a new generation chip.

45 nm

Average: 36.8 nm

5 nm

Heat Dissipation (TDP)

The Heat Dissipation Requirements (TDP) is the maximum amount of energy that can be dissipated by the cooling system. The lower the TDP, the less power will be consumed.
Show all


Average: 67.6W




Release date


Embedded options available


Supports 64-bit system

A 64-bit system, unlike a 32-bit system, can support more than 4 GB of RAM. This increases productivity. It also allows you to run 64-bit applications.
Show all


Code name

Nehalem EX

Maximum temperature Tcase


max 105

Average: 75.1 °C





How fast is the Intel Xeon E7520 5600X?

The processor runs at 1.