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AMD Opteron 6378 - OS6378WKTGGHK / OS6378WKTGGHKWOF

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AMD Opteron 6378 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyAMD Opteron 6300 series
Model number  ? 6378
CPU part numbersOS6378WKTGGHK is an OEM/tray microprocessor
OS6378WKTGGHKWOF is a boxed microprocessor
Frequency  ? 2400 MHz
Turbo frequency2700 MHz (more than 8 cores)
3300 MHz (8 cores or less)
Bus speed  ? 3200 MHz HyperTransport links (6.4 GT/s)
Package1944-land organic LGA
SocketSocket G34
Introduction dateNovember 5, 2012
Price at introduction$867
Architecture / Microarchitecture
Processor core  ? Abu Dhabi
Core stepping  ? OR-C0
Manufacturing process0.032 micron
Die size315mm2
Data width64 bit
The number of cores16
The number of threads16
Floating Point UnitIntegrated
Level 1 cache size  ? 8 x 64 KB shared instruction caches
16 x 16 KB data caches
Level 2 cache size  ? 8 x 2 MB shared exclusive caches
Level 3 cache size2 x 8 MB shared caches
MultiprocessingUp to 4 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  ? 
  • SSE4a  ? 
  • AES / Advanced Encryption Standard instructions
  • ABM / Advanced Bit Manipulation  ? 
  • AVX / Advanced Vector Extensions
  • BMI1 / Bit Manipulation instructions 1
  • F16C / 16-bit Floating-Point conversion instructions
  • FMA3 / 3-operand Fused Multiply-Add instructions
  • FMA4 / 4-operand Fused Multiply-Add instructions
  • TBM / Trailing Bit Manipulation instructions
  • XOP / eXtended Operations instructions
  • AMD64 / AMD 64-bit technology  ? 
  • VT / Virtualization technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • Turbo Core 2.0 technology
Integrated peripherals / components
Memory controller
  • The number of controllers: 1
    Memory channels: 4
    Supported memory: DDR3
Other peripheralsHyperTransport 3.0 technology with 4 HT links
Electrical / Thermal parameters
Maximum operating temperature  ? 69°C
Thermal Design Power  ? 115 Watt
Notes on AMD OS6378WKTGGHK
  • Memory controller supports UDDR3/RDDR3 up to DDR3-1600 memory, ULV RDDR3 up to DDR3-1333, and LRDIMM up to DDR3-1333 memory

Detailed side-by-side comparison

For detailed comparision of the AMD Opteron 6378 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: OS6378WKTGGHK, AMD Opteron 6300 series 2.4GHz, Abu Dhabi Socket G34

Historical price chart

The chart below shows official prices of AMD Opteron 6300 series 6376, 6378 and 6380 processors:

Historical official prices of Opteron 6300 series 6376, 6378 and 6380 processors


Q: Is it possible to upgrade my Opteron 6378 processor?
A: Probably yes. CPU compatibility is determined by your motherboard. Please see website for CPU support list for your board.

Opteron 6378 Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

AMD launches Opteron 6300 server processors
Nov 05, 2012: AMD today launched Opteron 6300 series CPUs for quad-processor servers. Built on Abu Dhabi core and "Piledriver" microarchitecture, that incorporates a number of tweaks for improved performance, new processors offer higher level of performance than the previous generation of server products, that was branded as Opteron 6200. AMD claims that new parts offer up to 24% better performance in SPECjbb2005 server benchmark than their predecessors.

AMD publishes details of Opteron 6300 processors
Nov 03, 2012: In October we witnessed the launch of two AMD desktop families, based on their latest "Piledriver" microarchitecture. AMD released budget and mid-class Accelerated Processing Units on October 2, followed by high-performance FX microprocessors on October 23. Also this quarter, the company will introduce even higher performing "Piledriver" server CPUs, including Opteron 6300 series for quad-processor servers, and 4300 series for dual-processor systems.

Details of Opteron 6300 series CPUs
Oct 11, 2012: The latest microarchitecture from AMD, codenamed Piledriver, already emerged in desktop and mobile products, and soon we may see it in server processors. Later this quarter the company will replace currently shipping Opteron 4200 and 6200 microprocessors for 2- and 4-way servers with Piledriver-based models. The new 2-way CPUs will be branded as Opteron 4300 series. Piledriver parts for quad-processor systems will be available as "Opteron 6300 series".

CPU ID information for the Opteron 6378

We don't have CPU ID information for the AMD Opteron 6378 CPU in our database. If you have this processor please use our CPUID tool to submit CPUID information. During submission, please specify family name, OS6378WKTGGHK 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 AMD Opteron 6378

Model Cores /
Frequency Turbo
TDP Features Price  
AMD Opteron 6300 series family, Socket G34
   Opteron 63084 / 43.5 GHz 16 MB4115WTBT$501>
   Opteron 63208 / 82.8 GHz3.3 GHz16 MB4115WTBT$293>
   Opteron 63288 / 83.2 GHz3.8 GHz16 MB4115WTBT$575>
   Opteron 6338P12 / 122.3 GHz2.8 GHz16 MB499WESS, TBT$377>
   Opteron 634412 / 122.6 GHz3.2 GHz16 MB4115WTBT$415>
   Opteron 6370P16 / 162 GHz2.5 GHz16 MB499WESS, TBT$598>
   Opteron 634812 / 122.8 GHz3.4 GHz16 MB4115WTBT$575>
   Opteron 6366 HE16 / 161.8 GHz3.1 GHz16 MB485WTBT$575>
   Opteron 637616 / 162.3 GHz3.2 GHz16 MB4115WTBT$703>
   Opteron 637816 / 162.4 GHz3.3 GHz16 MB4115WTBT$867 
   Opteron 638016 / 162.5 GHz3.4 GHz16 MB4115WTBT$1088>
   Opteron 6386 SE16 / 162.8 GHz3.5 GHz16 MB4140WTBT$1392>
 • Highlighted numbers and features indicate whether specific processor performs better or worse than the Opteron 6378
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Click on the >  icon to compare any CPU in the table with the AMD Opteron 6378 (Javascript required).
 • The 'Price' column shows official AMD prices as of Mar 11, 2014. Prices for obsolete and tray-only processors are not provided.
 • Features abbreviations:
ESS - PowerNow! / Enhanced SpeedStep
TBT - Dynamic Acceleration / Turbo Boost

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