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Intel Xeon E5-2403 - CM8062001048300 / BX80621E52403

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Intel Xeon E5-2403 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyIntel Xeon E5-2400
Model number  ? E5-2403
CPU part numbers
  • CM8062001048300 is an OEM/tray microprocessor
  • BX80621E52403 is a boxed microprocessor
Frequency  ? 1800 MHz
Bus speed  ? 6.4 GT/s QPI (3200 MHz)
5 GT/s DMI
Clock multiplier  ? 18
Package1356-land Flip-Chip Land Grid Array
SocketSocket 1356 / LGA1356
Size1.77" x 1.67" / 4.5cm x 4.25cm
Introduction dateMay 14, 2012
Price at introduction$188 (OEM)
$195 (box)
S-spec numbers
  ES/QS processors Production processors
Part number QBGT QBXH SR0LS
BX80621E52403  +
Architecture / Microarchitecture
MicroarchitectureSandy Bridge
Processor core  ? Sandy Bridge-EN
Core steppings  ? M0 (QBGT)
Manufacturing process0.032 micron Hi-K metal gate process
Data width64 bit
The number of cores4
The number of threads4
Floating Point UnitIntegrated
Level 1 cache size  ? 4 x 32 KB instruction caches
4 x 32 KB data caches
Level 2 cache size  ? 4 x 256 KB
Level 3 cache size10 MB
Physical memory192 GB (per CPU)
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
  • AVX / Advanced Vector Extensions
  • EM64T / Extended Memory 64 technology / Intel 64  ? 
  • NX / XD / Execute disable bit  ? 
  • VT-x / Virtualization technology  ? 
  • VT-d / Virtualization for directed I/O
  • 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
    Maximum memory bandwidth (GB/s): 25
    ECC supported: Yes
Other peripherals
  • Direct Media Interface
  • Quick Path Interconnect (1 link)
  • PCI Express 3.0 interface
Electrical / Thermal parameters
V core  ? 0.6V - 1.35V
Thermal Design Power  ? 80 Watt

Detailed side-by-side comparison

For detailed comparision of the Intel E5-2403 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: E5-2403, CM8062001048300, Intel Xeon 1.8GHz, Sandy Bridge-EN Socket 1356

Historical price chart

The chart below shows official prices of Intel Xeon E5-2403 and E5-2407 processors:

Historical official prices of Xeon E5-2403 and E5-2407 processors


Q: Can I upgrade my E5-2403 processor?
A: Probably yes. CPU compatibility is determined by your motherboard. Please see resource for CPU support list for your board.

Xeon E5-2403 Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

Intel Xeon E3 and E5 microprocessors launched
May 14, 2012: As we expected, Intel announced today Xeon E3-1200 v2 microprocessors for single-socket servers and workstations. This family is going to supersede E3-1200 series, that was in production since April of last year. The company also launched Xeon E5-2400 CPUs for dual-socket systems, and E5-4600 for quad-socket servers. Xeon E3-1200 v2 products are built on the latest Intel's microarchitecture, codenamed Ivy Bridge, while Xeon E5 series employs one generation older Sandy Bridge core.

Intel to launch Xeon processors on May 14
May 09, 2012: Today Dell announced PowerEdge C5220 micro-servers based on upcoming Ivy Bridge processors from Xeon E3-1200 v2 family. According to Dell, the new microservers will deliver up to 95% higher performance within the same rack, and up to 50% increased density in comparison with previous generation of PowerEdge C5220 systems. The micro-servers will be available on May 22, 2012, which implies that the launch of Ivy Bridge Xeon CPUs is just around the corner. Indeed, based on information that we have at hand, E3-1200 v2 series of processors will be announced on May 14. Even more, Xeon E5-2400 and E5-4600 series will be also announced on the same day.

Prices of Xeon E5-2400 CPUs
Jan 17, 2012: This quarter Intel will launch the first two Xeon E5 families for socket 2011, followed by E5-2400 series next quarter. E5-2400 processors will work in single- and dual-CPU systems, and they will utilize socket 1356, which supports only 3 memory channels (one fewer than socket 2011) and only one QPI link. We already reported on specifications of Xeons from E5-2400 series, and now we have more details on their pricing.

Intel Xeon E5 CPUs surfaced on Intel website
Jan 07, 2012: Forthcoming Intel Xeon E5 family will be separated into 4 subfamilies, based on intended market. Xeon E5-4600 will support up to 4-way servers, E5-2400 and E5-2600 will target 2-way servers and workstations, and E5-1600 series will work in uni-processor systems. In the past months we reported on details of E5-1600, E5-2400 and E5-2400 families, whereas model lineup of E5-4600 family was not known up to this moment. Today Intel added Xeon E5 box part numbers and S-spec numbers to Material Declaration Data Sheets (MDDS) database. This addition confirmed processor numbers of one- and two-way Xeon E5 chips, and revealed E5-4600 processor numbers.

Specifications of Xeon E5-2400 series CPUs
Oct 17, 2011: This quarter AMD will launch Opteron 4200 microprocessors for dual-processor servers and workstations. New Opteron products will be based on "Valencia" core, that packs 3 or 4 Bulldozer modules (6 or 8 cores) on a chip. At introduction, these CPUs will compete with dual-, quad- and six-core Xeon 5600 processors, built on enhanced Nehalem microarchitecture. In the first quarter 2012 Intel is going to replace 5600 family with E5-2600 Sandy Bridge chips. At this time we know 17 server and two embedded models from that family.

CPU ID information for the Xeon E5-2403

We don't have CPU ID information for the Intel Xeon E5-2403 CPU in our database. If you have this processor please use our CPUID tool to submit CPUID information. During submission, please specify family name, CM8062001048300 part number, and, most importantly, make the CPUID record public. To search or browse all public CPUID submissions please visit CPUID database.

CPUs, related to Intel Xeon E5-2403

Model Cores /
Frequency Turbo
TDP Features Price  
Intel Xeon E5-2400 family, Socket 1356
   Xeon E5-24034 / 41.8 GHz 10 MB280W$188 
   Xeon E5-24074 / 42.2 GHz 10 MB280W$250>
   Xeon E5-2418L4 / 82 GHz2.1 GHz10 MB250WHT, TBT >
   Xeon E5-2428L6 / 121.8 GHz2 GHz15 MB260WHT, TBT >
   Xeon E5-2449L8 / 161.4 GHz1.8 GHz20 MB250WHT, TBT >
   Xeon E5-24206 / 121.9 GHz2.4 GHz15 MB295WHT, TBT$387>
   Xeon E5-2430L6 / 122 GHz2.5 GHz15 MB260WHT, TBT$662>
   Xeon E5-24306 / 122.2 GHz2.7 GHz15 MB295WHT, TBT$551>
   Xeon E5-2448L8 / 161.8 GHz2.1 GHz20 MB270WHT, TBT >
   Xeon E5-24406 / 122.4 GHz2.9 GHz15 MB295WHT, TBT$832>
   Xeon E5-2450L8 / 161.8 GHz2.3 GHz20 MB270WHT, TBT$1107>
   Xeon E5-24508 / 162.1 GHz2.9 GHz20 MB295WHT, TBT$1107>
   Xeon E5-24708 / 162.3 GHz3.1 GHz20 MB295WHT, TBT$1440>
Other families, Sandy Bridge micro-architecture, Socket 1356
   Pentium 14052 / 21.2 GHz1.8 GHz5 MB140WTBT >
   Pentium 14032 / 22.6 GHz 5 MB180W >
   Pentium 14072 / 22.8 GHz 5 MB180W >
   Xeon E5-1428L6 / 121.8 GHz 15 MB160WHT >
   Xeon E5-14104 / 82.8 GHz3.2 GHz10 MB180WHT, 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 E5-2403
 • Click on the >  icon to compare any CPU in the table with the Intel Xeon E5-2403 (Javascript required).
 • The 'Price' column shows official Intel prices as of Jun 2, 2014. Prices for obsolete and tray-only processors are not provided.
 • Features abbreviations:
HT - Hyper-Threading
TBT - Dynamic Acceleration / Turbo Boost

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