Intel Xeon E5520 vs E5540

Mini Review

Intel Xeon E5520 advantages

  • None

Intel Xeon E5540 advantages

  • The E5540 has higher operating frequency than the Xeon E5520, as a result the Intel Xeon E5540 has better performance in most applications.

E5520 vs E5540 specifications comparison

The graphs below show the difference between E5540 and Xeon E5520 most important features. These characteristics, along with an IPC (instructions per cycle) number, determine how well a microprocessor performs. The "Number of cores / threads" graph shows the number of cores (darker area). Lighter area on the graph corresponds to the number of extra threads, provided by Hyper-Threading technology. The "Operating frequency" chart uses dark color for base frequency, while lighter area is for additional frequency, provided by Turbo feature. Darker area on the "On-chip cache" graph is for the On-chip L2 cache. Lighter area is for the L3 cache cache. Although the L3 cache cache is usually larger than the On-chip L2 cache, it is always slower.

The number of cores / threads
9
7.2
5.4
3.6
1.8
0
 
 
8
 
8
 
 
Higher is better
Operating frequency
4
3.2
2.4
1.6
0.8
0
 
 
2.53GHz
 
2.8GHz
 
 
Higher is better
On-chip L2 + L3 cache
10
8
6
4
2
0
 
 
9MB
 
9MB
 
 
Higher is better
Thermal Design Power
90
72
54
36
18
0
 
 
80W
 
80W
 
 
Lower is better

  - Intel Xeon E5520       - Intel Xeon E5540

Detailed side by side comparison of Intel E5520 vs Intel E5540 specs can be found in the "Specifications" tab.


Pros and Cons summary

Xeon E5520 Xeon E5540
General recommendations:
None
  General recommendations:
Clocked higher

Drawbacks:

Runs at lower frequency
 

Drawbacks:

None

Similar processors

Xeon E5520 Xeon E5540
 

Similar microprocessors use the same core and fit the same socket as Intel E5520 and Xeon E5540.

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More comparisons

Compare Intel Xeon E5520 with...

Other Xeon CPU:

Any CPU:


Compare Intel Xeon E5540 with...

Other Xeon CPU:

Any CPU:


Note: To see differences with any CPU, type in any combination of the following into the "Any CPU" field: manufacturer name, full or partial family name, model number, part number, core name, socket name, operating frequency, bus speed (must have FSB suffix), and the last level cache. Here are some valid searches:

  i5-3570K
  Intel Celeron 2 GHz
  Nehalem
  Pentium 4 800FSB
  AMD 3.3GHz 8MB

Specifications

Please visit Intel Xeon E5520 and Intel Xeon E5540 pages for more complete specifications of both microprocessors.

 Intel Xeon E5520Intel Xeon E5540
Market segmentServer
ManufacturerIntel
FamilyXeon
Basic details
Model numberE5520E5540
CPU part numberAT80602002091AAAT80602000789AA
Box part numberBX80602E5520BX80602E5540
Introduction dateMarch 30, 2009
 
CPU features
Core nameNehalem-EP
Platform nameTylersburg-EP; Tylersburg-EN; Tylersburg-WS
MicroarchitectureNehalem
Technology (micron)0.045
Data width (bits)64
SocketSocket 1366
Frequency (MHz)22672533
Turbo Frequency (MHz)2533 / - / - / 24002800 / - / - / 2667
Bus speed (MHz)2933 (HT/QPI)
L1 cache128 KB (code) / 128 KB (data)
L2 cache (KB)1024
L3 cache (KB)8192
Max temperature (°C)76
TDP (Watt)80
Max power dissipation (Watt)173.59
Core voltage (V)0.75 - 1.35
Cores4
Threads8
Multiprocessing2
 
Instruction set extensions
AMD64 / EM64T 64-bit technology+
MMX+
SSE+
SSE2+
SSE3+
SSE4.1+
SSE4.2+
SSSE3 / Supplemental SSE3+
 
Supported technologies
Hyper-Threading+
PowerNow! / Enhanced SpeedStep+
Turbo Core / Turbo Boost+
Virtualization+
Virus Protection / Execute Disable bit+
 
Integrated Graphics
GPU TypeNone
Notes:

Rows with different specifications or features are highlighted.

For detailed specifications of "Intel Xeon E5520" or "Intel Xeon E5540" parts please click on the links in the table header.

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