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Intel Xeon E5-2640 vs X5650

Mini Review

Intel Xeon E5-2640 advantages

  • The Intel Xeon E5-2640 has AVX instructions enabled. While these extensions are not broadly used in programs yet, this should improve in future apps.

Intel Xeon X5650 advantages

  • The microprocessor offers higher operating frequency than the E5-2640.

E5-2640 vs X5650 specifications comparison

The charts below demonstrate the difference between Intel Xeon X5650 and E5-2640 most important features. These characteristics, as well as an IPC (instructions per cycle) number, determine how well a processor performs. The "Number of cores / threads" graph shows the number of cores (darker area). Lighter area on the graph represents the number of additional threads, offered by Hyper-Threading technology. The "Operating frequency" chart uses dark color to represent base frequency, whereas lighter area is for extra 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
20
16
12
8
4
0
 
 
12
 
12
 
 
Higher is better
Operating frequency
4
3.2
2.4
1.6
0.8
0
 
 
3GHz
 
3.07GHz
 
 
Higher is better
On-chip L2 + L3 cache
20
16
12
8
4
0
 
 
16.5MB
 
13.5MB
 
 
Higher is better
Thermal Design Power
110
88
66
44
22
0
 
 
95W
 
95W
 
 
Lower is better

  - Intel Xeon E5-2640       - Intel Xeon X5650

Detailed side by side comparison of Xeon E5-2640 vs Intel X5650 specs can be found in the "Specifications" tab.


Pros and Cons summary

Xeon E5-2640 Xeon X5650
General recommendations:
Supports AVX instructions
  General recommendations:
Clocked higher

Drawbacks:

Clocked lower
 

Drawbacks:

Does not support some instructions,
No products planned for the socket

Similar processors

Xeon E5-2640 Xeon X5650
 

Similar processors use the same socket and architecture as E5-2640 and X5650, but their performance and other characteristics are a bit different.

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More comparisons

Compare Intel Xeon E5-2640 with...

Other Xeon CPU:

Any CPU:


Compare Intel Xeon X5650 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
  Sandy Bridge
  Pentium 4 800FSB
  AMD 3.3GHz 8MB

Specifications

Please visit Intel Xeon E5-2640 and Intel Xeon X5650 pages for more detailed specifications of both microprocessors.

 Intel Xeon E5-2640Intel Xeon X5650
Market segmentServer
ManufacturerIntel
FamilyXeon
Basic details
Model numberE5-2640X5650
CPU part numberCM8062100856401AT80614004320AD
Box part numberBX80621E52640BX80614X5650
Introduction dateMarch 6, 2012March 16, 2010
Current official price$885 (as of Jun 2014) 
 
CPU features
Core nameSandy Bridge-EPWestmere-EP
Platform nameRomley-EP; Romley-WSTylersburg-EP; Tylersburg-EN; Tylersburg-WS
MicroarchitectureSandy BridgeNehalem
Technology (micron)0.032
Data width (bits)64
SocketSocket 2011Socket 1366
Frequency (MHz)25002667
Turbo Frequency (MHz)3000 / 3000 / 2900 / 2900 / 2800 / 28003067 / 3067 / 2933 / 2933 / 2933 / 2933
Bus speed (MHz)3600 (HT/QPI)3200 (HT/QPI)
Clock Multiplier2520
L1 cache192 KB (code) / 192 KB (data)
L2 cache (KB)1536
L3 cache (KB)1536012288
Max temperature (°C)73 
TDP (Watt)95
Core voltage (V)0.6 - 1.350.8 - 1.3
Cores6
Threads12
Multiprocessing2
 
Instruction set extensions
AES / Advanced Encryption Standard+
AMD64 / EM64T 64-bit technology+
AVX / Advanced Vector Extensions+-
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 channels43
Supported memoryDDR3
Notes:

Rows with different specifications or features are highlighted.

For detailed specifications of "Intel Xeon E5-2640" or "Intel Xeon X5650" parts please click on the links in the table header.

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