Intel Core i7-920 vs Xeon L5639

Mini Review

Intel Core i7-920 advantages

  • This processor comes with higher operating frequency than the Xeon L5639.

Intel Xeon L5639 advantages

  • The L5639 has more processing cores than the Intel Core i7-920 microprocessor. Large number of cores helps this processor to process multiple programs or heavily multi-threaded tasks.
  • The L5639 incorporates AES extension to the instruction set. These instructions provide hardware acceleration of AES encryption and decryption, and are useful if you need to protect your disk or network data.
  • Power consumption of the Intel L5639 is lower.

i7-920 vs L5639 specifications comparison

The graphs below demonstrate the difference between L5639 and Intel Core i7-920 most important features. These characteristics, along with an IPC (instructions per cycle) number, determine how well a CPU 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 to represent base frequency, whereas 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. While the L3 cache cache is usually larger than the On-chip L2 cache, it is always slower.

The number of cores / threads
20
16
12
8
4
0
 
 
8
 
12
 
 
Higher is better
Operating frequency
4
3.2
2.4
1.6
0.8
0
 
 
2.93GHz
 
2.67GHz
 
 
Higher is better
On-chip L2 + L3 cache
20
16
12
8
4
0
 
 
9MB
 
13.5MB
 
 
Higher is better
Thermal Design Power
200
160
120
80
40
0
 
 
130W
 
60W
 
 
Lower is better

  - Intel Core i7-920       - Intel Xeon L5639

Detailed side by side comparison of Intel i7-920 vs L5639 specs can be found in the "Specifications" tab.


Pros and Cons summary

Core i7-920 Xeon L5639
General recommendations:
Clocked higher
  General recommendations:
More cores for better multi-threading performance,
Can handle more threads at once,
Needs less power

Drawbacks:

Smaller number of CPU cores,
Does not support as many threads,
Requires significantly more power
 

Drawbacks:

Has lower operating frequency

Similar processors

Core i7-920 Xeon L5639
 

Similar processors use the same socket and architecture as i7-920 and Intel L5639.

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More comparisons

Compare Intel Core i7-920 with...

Other Xeon CPU:

Any CPU:


Compare Intel Xeon L5639 with...

Other Core i7 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 Core i7-920 and Intel Xeon L5639 pages for more complete specifications of both microprocessors.

 Intel Core i7-920Intel Xeon L5639
Market segmentDesktopServer
ManufacturerIntel
FamilyCore i7Xeon
Basic details
Model numberi7-920L5639
CPU part numberAT80601000741AAAT80614005076AB
Box part numberBX80601920
BXC80601920
 
Introduction dateNovember 17, 2008 
 
CPU features
Core nameBloomfieldWestmere-EP
Platform nameX58Tylersburg-EP; Tylersburg-EN; Tylersburg-WS
MicroarchitectureNehalem
Technology (micron)0.0450.032
Data width (bits)64
SocketSocket 1366
Frequency (MHz)26672133
Turbo Frequency (MHz)2933 / 2800 / 2800 / 28002667 / 2667 / 2533 / 2533 / 2400 / 2400
Bus speed (MHz)2400 (HT/QPI)2933 (HT/QPI)
Clock Multiplier 16
L1 cache128 KB (code) / 128 KB (data)192 KB (code) / 192 KB (data)
L2 cache (KB)10241536
L3 cache (KB)819212288
Max temperature (°C)67.9 
TDP (Watt)13060
Max power dissipation (Watt)230.14 
Core voltage (V)0.8 - 1.375 
Cores46
Threads812
Multiprocessing12
 
Instruction set extensions
AES / Advanced Encryption Standard-+
AMD64 / EM64T 64-bit technology+
MMX+
SSE+
SSE2+
SSE3+
SSE4.1+
SSE4.2+
SSSE3 / Supplemental SSE3+
 
Supported technologies
Hyper-Threading+
PowerNow! / Enhanced SpeedStep+
Trusted Execution-+
Turbo Core / Turbo Boost+
Virtualization+
Virus Protection / Execute Disable bit+
 
Integrated Graphics
GPU TypeNone
 
Integrated Memory Controller(s)
The number of controllers1
Memory channels3
Supported memoryDDR3-800, DDR3-1066DDR3
Notes:

Rows with different specifications or features are highlighted.

For detailed specifications of "Intel Core i7-920" or "Intel Xeon L5639" parts please click on the links in the table header.

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