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Intel Xeon X5650 - AT80614004320AD / BX80614X5650

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Intel Xeon X5650 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyIntel Xeon 5600
Model number  ? X5650
CPU part numbers
  • AT80614004320AD is an OEM/tray microprocessor
  • BX80614X5650 is a boxed microprocessor
Frequency  ? 2667 MHz
Turbo frequency3067 MHz (1 or 2 cores)
2933 MHz (3 or more cores)
Bus speed  ? 6.4 GT/s QPI (3200 MHz)
Clock multiplier  ? 20
Package1366-land Flip-Chip Land Grid Array (FC-LGA10)
SocketSocket 1366 / B / LGA1366
Size1.77" x 1.67" / 4.5cm x 4.25cm
Introduction dateMarch 16, 2010
Price at introduction$996
S-spec numbers
  ES/QS processors Production processors
Part number Q3QN Q3UQ Q4EJ SLBV3
BX80614X5650   +
Architecture / Microarchitecture
Processor core  ? Westmere-EP
Core steppings  ? A0 (Q3QN)
B0 (Q3UQ)
B1 (Q4EJ, SLBV3)
CPUIDs206C0 (Q3QN)
206C2 (SLBV3)
Manufacturing process0.032 micron High-K metal gate process
1170 million transistors
Die size240mm2
Data width64 bit
The number of cores6
The number of threads12
Floating Point UnitIntegrated
Level 1 cache size  ? 6 x 32 KB instruction caches
6 x 32 KB data caches
Level 2 cache size  ? 6 x 256 KB
Level 3 cache size12 MB
Physical memory288 GB
MultiprocessingUp to 2 processors
  • MMX instructions
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSSE3 / Supplemental Streaming SIMD Extensions 3
  • SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 
  • AES / Advanced Encryption Standard instructions
  • EM64T / Extended Memory 64 technology / Intel 64  ? 
  • NX / XD / Execute disable bit  ? 
  • HT / Hyper-Threading technology  ? 
  • VT-x / Virtualization technology  ? 
  • VT-d / Virtualization for directed I/O
  • TBT / Turbo Boost technology  ? 
  • TXT / Trusted Execution technology
Low power featuresEnhanced SpeedStep technology  ? 
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 3
    Supported memory: DDR3-800, DDR3-1066, DDR3-1333
    Maximum memory bandwidth (GB/s): 32
    ECC supported: Yes
Other peripheralsQuick Path Interconnect (2 links)
Electrical / Thermal parameters
V core  ? 0.8V - 1.3V
Maximum operating temperature  ? 81.3°C
Thermal Design Power  ? 95 Watt

Detailed side-by-side comparison

For detailed comparision of the Intel X5650 and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: X5650, AT80614004320AD, Intel Xeon 2.667GHz, Westmere-EP Socket 1366

Historical price chart

The chart below shows official prices of Intel Xeon X5687, X5650 and X5660 processors:

Historical official prices of Xeon X5687, X5650 and X5660 processors


Q: I have an Intel X5650 CPU. Is it possible to upgrade it?
A: Probably yes. Processor compatibility is determined by your motherboard. Please see website for CPU support list for your board.

Xeon X5650 Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

Intel discontinues E3-1200 and 5600 series Xeon CPUs
Jun 09, 2013: Intel this week published a few Product Change Notifications (PCNs), informing customers about upcoming discontinuation of Xeon 5600 series and E3-1200 series microprocessors. Additionally, the company is going to retire two mobile parts from Core i5 family. The last order date for all CPUs is December 27, 2013.

CPU ID information for the Xeon X5650

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Use our CPU identification tool to check features of your CPU.

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Xeon X5650 CPU.

CPU Family:Xeon
Processor Number:X5650
Frequency:2660 MHz
Part number:
S-Spec Number:SLBV3
Submitted by:
General information
Processor name (BIOS):Intel(R) Xeon(R) CPU X5650 @ 2.67GHz
Logical processors:12
Processor type:Original OEM Processor
CPUID signature:206C2
Family: 6 (06h)
Model:44 (02Ch)
Stepping: 2 (02h)
TLB/Cache details:64-byte Prefetching
Data TLB0: 2-MB or 4-MB pages, 4-way set associative, 32 entries
Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Instruction TLB: 2-MB or 4-MB pages, fully associative, 7 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 128 entries
Shared 2nd-level TLB: 4 KB pages, 4-way set associative, 512 entries

Cache: L1 data L1 instruction L2 L3
Size: 6 x 32 KB 6 x 32 KB 6 x 256 KB 12 MB
Associativity: 8-way set
4-way set
8-way set
16-way set
Line size: 64 bytes 64 bytes 64 bytes 64 bytes
Comments: Direct-mapped Direct-mapped Non-inclusive
Shared between all cores
Instruction set extensionsAdditional instructions
Major featuresOther features
On-chip Floating Point Unit 1 GB large page support
64-bit / Intel 64 36-bit page-size extensions
NX bit/XD-bit 64-bit debug store
Hyper-Threading Technology Advanced programmable interrupt controller
Intel Virtualization CPL qualified debug store
Intel Trusted Execution technology Debug store
Turbo Boost Debugging extensions
Enhanced SpeedStep Digital Thermal Sensor capability
  Direct Cache access
  LAHF/SAHF support in 64-bit mode
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Pending break enable
  Perfmon and Debug capability
  Physical address extensions
  Process context identifiers
  TSC rate is ensured to be invariant across all states
  Thermal monitor
  Thermal monitor 2
  Thermal monitor and software controlled clock facilities
  Time stamp counter
  Virtual 8086-mode enhancements
  xTPR Update Control

CPUs, related to Intel Xeon X5650

Model Cores /
Frequency Turbo
TDP Features  
Intel Xeon 5600 family, Socket 1366
   Xeon X56724 / 83.2 GHz3.6 GHz12 MB295WAES, TXT, TBT>
   Xeon L56396 / 122.13 GHz2.66 GHz12 MB260WAES, TXT, TBT>
   Xeon X56774 / 83.46 GHz3.73 GHz12 MB2130WAES, TXT, TBT>
   Xeon L56406 / 122.26 GHz2.8 GHz12 MB260WAES, TXT, TBT>
   Xeon X56874 / 83.6 GHz3.86 GHz12 MB2130WAES, TXT, TBT>
   Xeon E56456 / 122.4 GHz2.8 GHz12 MB280WAES, TXT, TBT>
   Xeon L56456 / 122.4 GHz2.93 GHz12 MB260WAES, TXT, TBT>
   Xeon E56496 / 122.53 GHz2.93 GHz12 MB280WAES, TXT, TBT>
   Xeon X56506 / 122.66 GHz3.06 GHz12 MB295WAES, TXT, TBT 
   Xeon X56606 / 122.8 GHz3.2 GHz12 MB295WAES, TXT, TBT>
   Xeon X56706 / 122.93 GHz3.33 GHz12 MB295WAES, TXT, TBT>
   Xeon X56796 / 123.2 GHz 12 MB2 AES, TXT, TBT>
   Xeon X56756 / 123.06 GHz3.46 GHz12 MB295WAES, TXT, TBT>
   Xeon X56806 / 123.33 GHz3.6 GHz12 MB2130WAES, TXT, TBT>
   Xeon X56906 / 123.46 GHz3.73 GHz12 MB2130WAES, TXT, TBT>
Other families, Nehalem micro-architecture, Socket 1366
   Xeon W35504 / 83.06 GHz3.33 GHz8 MB1130WAES, TXT, TBT>
   Xeon W35704 / 83.2 GHz 8 MB1130WAES, TXT, TBT>
   Xeon W55904 / 83.33 GHz 8 MB2130WAES, TXT, TBT>
   Xeon W35654 / 83.2 GHz3.46 GHz8 MB1130WAES, TXT, TBT>
   Xeon W55804 / 83.2 GHz3.46 GHz8 MB2130WAES, TXT, TBT>
   Xeon W35804 / 83.33 GHz3.6 GHz8 MB1130WAES, TXT, TBT>
   Xeon W36706 / 123.2 GHz3.46 GHz12 MB1130WAES, TXT, TBT>
   Xeon W36806 / 123.33 GHz3.6 GHz12 MB1130WAES, TXT, TBT>
   Xeon W36906 / 123.46 GHz3.73 GHz12 MB1130WAES, TXT, TBT>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the Xeon X5650
 • Click on the >  icon to compare any CPU in the table with the Intel Xeon X5650 (Javascript required).
 • List of related CPUs is not complete.
 • Features abbreviations:
AES - AES instructions
TXT - Trusted Execution
TBT - Dynamic Acceleration / Turbo Boost

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