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AMD Opteron 254 - OSA254FAA5BL (OSA254BLBOX / OSA254BLWOF)

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AMD Opteron 254 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyAMD Opteron
Model number  ? 254
CPU part numbers
  • OSA254FAA5BL is an OEM/tray microprocessor
  • OSA254BLBOX is a boxed microprocessor
  • OSA254BLWOF is a boxed microprocessor
Stepping codesAABYE   CAB1E
Frequency  ? 2800 MHz
Package940-pin lidded organic micro-PGA
SocketSocket 940
Architecture / Microarchitecture
Processor core  ? Troy
Core stepping  ? E4
Manufacturing process0.09 micron SOI
Data width64 bit
The number of cores1
The number of threads1
Floating Point UnitIntegrated
Level 1 cache size  ? 64 KB 2-way associative instruction cache
64 KB 2-way associative data cache
Level 2 cache size  ? 1 MB exclusive 16-way associative cache
Physical memory1 TB
Virtual memory256 TB
  • 12 (integer)
  • 17 (floating point)
MultiprocessingUp to 2 processors
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • AMD64 / AMD 64-bit technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • SSE3 / Streaming SIMD Extensions 3
Low power features
  • Halt mode
  • Stop Grant mode  ? 
  • PowerNow!
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR
Other peripheralsHyperTransport technology with three 16-bit links up to 1000 MHz each
Electrical / Thermal parameters
V core  ? 1.35V / 1.4V
Minimum operating temperature0°C
Maximum operating temperature  ? 49°C - 67°C
Thermal Design Power  ? 92.6 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD Opteron 254 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: OSA254FAA5BL, AMD Opteron 2.8GHz, Troy Socket 940

Historical price chart

The chart below shows official prices of AMD Opteron 254 and 256 processors:

Historical official prices of Opteron 254 and 256 processors


Q: I have an AMD Opteron 254 microprocessor. Is it possible to upgrade it?
A: Probably yes. CPU compatibility is determined by your motherboard. Please see resource for CPU support list for your board.

Opteron 254 Overclocking

Sorry, overclocking information is not available at this time.

CPU ID information for the Opteron 254

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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 AMD Opteron 254 CPU.

CPU Family:Opteron
Model Number:254
Frequency:2814 MHz
Part number:
Stepping Code:SH-E4
Submitted by:isty
General information
Processor name (BIOS):AMD Opteron(tm) Processor 254
Processor type:Original OEM Processor
Core stepping:SH-E4
CPUID signature:20F51
Family:15 (0Fh)
Model:37 (025h)
Stepping: 1 (01h)

Cache: L1 data L1 instruction L2
Size: 64 KB 64 KB 1 MB
Associativity: 2-way set
2-way set
16-way set
Line size: 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1
Instruction set extensionsAdditional instructions
AMD extensions to MMX CMOV
Extensions to 3DNow! FXSAVE/FXRSTORE
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 Advanced programmable interrupt controller
NX bit/XD-bit Debugging extensions
PowerNow! / Cool'n'Quiet FXSAVE/FXRSTOR optimizations
  Frequency ID control
  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)
  Physical address extensions
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements
  Voltage ID control

CPUs, related to AMD Opteron 254

Model Cores /
Frequency L2
TDP Features  
AMD Opteron family, Socket 940
   Opteron 250 (68W, rev. E4)1 / 12.4 GHz1 MB268W>
   Opteron 250 HE1 / 12.4 GHz1 MB254.7W>
   Opteron 850 (rev. E4)1 / 12.4 GHz1 MB885.3W>
   Opteron 850 HE1 / 12.4 GHz1 MB854.7W>
   Opteron 152 (rev. E4, socket 940)1 / 12.6 GHz1 MB192.6W>
   Opteron 252 (68W)1 / 12.6 GHz1 MB268W>
   Opteron 2521 / 12.6 GHz1 MB292.6W>
   Opteron 852 (68W)1 / 12.6 GHz1 MB868W>
   Opteron 8521 / 12.6 GHz1 MB892.6W>
   Opteron 254 (68W)1 / 12.8 GHz1 MB268W>
   Opteron 2541 / 12.8 GHz1 MB292.6W 
   Opteron 854 (68W)1 / 12.8 GHz1 MB868W>
   Opteron 8541 / 12.8 GHz1 MB892.6W>
   Opteron 2561 / 13 GHz1 MB292.6W>
   Opteron 8561 / 13 GHz1 MB892.6W>
AMD Opteron family, K8 micro-architecture, Other sockets
   Opteron 152 (rev. E4, socket 939)1 / 12.6 GHz1 MB1104W>
   Opteron 1541 / 12.8 GHz1 MB1104W>
   Opteron 1561 / 13 GHz1 MB1104W>
Other families, K8 micro-architecture, Socket 940
   Opteron 285 (OST)2 / 22.6 GHz2 MB268W>
   Opteron 285 SE2 / 22.6 GHz2 MB2119W>
   Opteron 885 (OST)2 / 22.6 GHz2 MB8 >
   Opteron 885 (95W)2 / 22.6 GHz2 MB895W>
   Opteron 2902 / 22.8 GHz2 MB295W>
   Opteron 8902 / 22.8 GHz2 MB895W>
 • 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 Opteron 254
 • Click on the >  icon to compare any CPU in the table with the AMD Opteron 254 (Javascript required).
 • List of related CPUs is not complete.

Pictures (1)

2009-06-28 09:06:42
Posted by: Karesz

Comments (0)

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