Intel Pentium III 550 - RB80526PY550256 (BX80526F550256 / BX80526F550256E)


Specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Pentium III
Model number  ? 550E
CPU part numbersRB80526PY550256 is an OEM/tray microprocessor
BX80526F550256 is a boxed microprocessor
BX80526F550256E is a boxed microprocessor
Frequency  ? 550 MHz
Bus speed  ? 100 MHz
Clock multiplier  ? 5.5
Package370-pin Flip-Chip Pin Grid Array (FC-PGA)
1.95" x 1.95" (4.95 cm x 4.95 cm)
SocketSocket 370
Introduction dateOct 25, 1999
Price at introduction$368
 
S-spec numbers
  Production processors
Part number SL3QA SL3R3 SL44G SL45T
BX80526F550256 +++
BX80526F550256E +  
RB80526PY550256+++ 
 
Architecture / Microarchitecture
MicroarchitectureP6
Processor core  ? Coppermine
Core steppings  ? cA2 (SL3QA, SL3R3)
cB0 (SL44G, SL45T)
CPUIDs681 (SL3QA, SL3R3)
683 (SL44G, SL45T)
Manufacturing process0.18 micron
28 million transistors
Data width32 bit
Data bus width64 bit
The number of cores1
The number of threads1
Floating Point UnitIntegrated
Level 1 cache size  ? 16 KB instruction cache
16 KB data cache
Level 2 cache size  ? Full-speed integrated 8-way set associative 256 KB
Features
  • MMX technology
  • SSE instructions
Low power features
  • AutoHALT state  ? 
  • Stop Grant state  ? 
  • Sleep state  ? 
  • Deep Sleep state  ? 
  • System Management Mode
 
Electrical/Thermal parameters
Min/Recommended/Max V core1.52V / 1.6V / 1.64V
1.57V / 1.65V / 1.69V
1.62V / 1.7V / 1.74V
Minimum/Maximum operating temperature  ? 0°C - 85°C
 
Notes on Intel RB80526PY550256
  • The processor is usually marked as 550E/256/100/1.6V, 550E/256/100/1.65V or 550E/256/100/1.7V, where the last number specifies processor's core voltage. If the processor is marked with RB80526PY550256 part number then use processor specification number to identify processor's core voltage
  CPUs, related to Intel Pentium III 550E (Socket 370)  

Model Freq. L2
cache
Multi-
processing
Features
Intel Pentium III (Coppermine) family, Socket 370
   Intel Pentium III 866 MHz (RB80526PZ866256)866 MHz256 KB 
   Intel Pentium III 866 MHz (RK80526PZ866256)866 MHz256 KB 
   Intel Pentium III 900 MHz (RB80526PY900256)900 MHz256 KB 
   Intel Pentium III 933 MHz (RB80526PZ933256)933 MHz256 KB 
   Intel Pentium III 933 MHz (RK80526PZ933256)933 MHz256 KB 
   Intel Pentium III 1 GHz (RB80526PY001256)1 GHz256 KB 
   Intel Pentium III 1BGHz (Socket 370)1 GHz256 KB 
   Intel Pentium III 1BGHz (Socket 370)1 GHz256 KB 
   Intel Pentium III 1.1 GHz (RB80526PY005256)1.1 GHz256 KB 
   Intel Pentium III 1.13 GHz (RK80526PZ006256)1.13 GHz256 KB 
Intel Pentium III (Coppermine) family, P6 micro-architecture, Other sockets
   Intel Pentium III 800EB (Slot 1)800 MHz256 KB2
   Intel Pentium III 850 MHz (80526PY850256)850 MHz256 KB2
   Intel Pentium III 866 MHz (80526PZ866256)866 MHz256 KB2
   Intel Pentium III 933 MHz (80526PZ933256)933 MHz256 KB2
   Intel Pentium III 1 GHz (80526PY1000256)1 GHz256 KB2
   Intel Pentium III 1BGHz (Slot 1)1 GHz256 KB2
Other families, P6 micro-architecture, Socket 370
   Intel Celeron 1.3 GHz (RK80530RY013256)1.3 GHz256 KB 
   Intel Pentium III 1.33 GHz (RK80530PZ014256)1.33 GHz256 KB1
   Intel Celeron 1.4 GHz (RK80530RY017256)1.4 GHz256 KB 
   Intel Pentium III 1.4 GHz (RK80530PZ017256)1.4 GHz256 KB1
   Intel Pentium III 1.4GHz-S1.4 GHz512 KB2
   Intel Celeron 1.5 GHz (RK80530RY021256)1.5 GHz256 KB 

 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)

 • List of related CPUs is not complete.

Pictures (3)

RB80526PY550256

550 MHz
100 MHz bus
370-pin flip-chip PGA
Intel Pentium III 550 - RB80526PY550256 (BX80526F550256 / BX80526F550256E)
550E/256/100/1.65V

550 MHz
100 MHz bus
370-pin flip-chip PGA
Intel Pentium III 550 - RB80526PY550256 (BX80526F550256 / BX80526F550256E)
RB80526PY550256 (SL3QA)
2011-01-24 08:19:07
Posted by: dima9751

550E/256/100/1.6V
550 MHz
100 MHz bus
370-pin flip-chip PGA
RB80526PY550256 (SL3QA)

Benchmarks

  • Compare results with tested CPUs from one of the following families:
  • To compare benchmark results with all other microprocessors please
Tested processor
CPU ID:0681h
CPU vendor string:GenuineIntel

Integer performance

Part number   Result
Intel Pentium III 700MHz RB80526PY700256  ? 
127.1%
Intel Pentium III 667MHz RB80526PZ667256  ? 
121%
AMD Athlon 550MHz AMD-K7550MTR51B C  ? 
119.5%
AMD Athlon 550MHz AMD-K7550 (ES)  ? 
119.1%
Intel Pentium III 600E (Socket 370)  ? 
108.8%
Intel Pentium III 550E (Socket 370)  ? 
100%
Intel Celeron 533MHz FV80524RX533128  ? 
96.5%
Intel Pentium III 500MHz 80525PY500512  ? 
90.9%
Intel Celeron 500MHz FV80524RX500128  ? 
90.5%
Intel Celeron 500MHz FV80524RX500128  ? 
90.4%
Intel Celeron 466MHz FV80524RX466128  ? 
84.6%

Floating Point performance

Part number   Result
AMD Athlon 600MHz AMD-K7600MTR51B C  ? 
126.7%
Intel Pentium III 667MHz RB80526PZ667256  ? 
121.1%
AMD Athlon 550MHz AMD-K7550MTR51B C  ? 
116.2%
AMD Athlon 550MHz AMD-K7550 (ES)  ? 
115.8%
Intel Pentium III 600E (Socket 370)  ? 
108.9%
Intel Pentium III 550E (Socket 370)  ? 
100%
Intel Celeron 533MHz FV80524RX533128  ? 
96.6%
Intel Pentium III 500MHz 80525PY500512  ? 
91%
Intel Celeron 500MHz FV80524RX500128  ? 
90.6%
Intel Celeron 466MHz FV80524RX466128  ? 
84.7%
Intel Celeron 466MHz FV80524RX466128  ? 
84.4%

MMX / SSE / SSE2 performance

Part number   Result
Intel Pentium III 600E (Socket 370)  ? 
108.9%
Intel Pentium III 600EB (Socket 370)  ? 
108.8%
Intel Pentium III 600E (Socket 370)  ? 
108.8%
AMD Athlon 550MHz AMD-K7550MTR51B C  ? 
104.3%
AMD Athlon 550MHz AMD-K7550 (ES)  ? 
103.9%
Intel Pentium III 550E (Socket 370)  ? 
100%
Intel Pentium III 500MHz 80525PY500512  ? 
90.9%
Intel Pentium III 450MHz 80525PY450512  ? 
81.8%
Intel Pentium III 450MHz 80525PY450512  ? 
81.8%
Intel Pentium III 400MHz 80525PZ400512  ? 
72.6%
Intel Pentium III 400MHz DC1EC501A400  ? 
72.1%

CPU ID (2)

NOTE: CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Pentium III 550E CPU.

Manufacturer:Intel
CPU Family:Pentium III
Processor Number:550E
Frequency:547 MHz
Part number:
RB80526PY550256
S-Spec Number:SL44G
Comment:
Submitted by:Neon
General information
Vendor:GenuineIntel
Processor type:Original OEM Processor
CPUID signature:683
Family: 6 (06h)
Model: 8 (08h)
Stepping: 3 (03h)
TLB/Cache details:Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Data TLB: 4-MB Pages, 4-way set associative, 8 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 32 entries
Instruction TLB: 4-MB Pages, fully associative, 2 entries

Cache: L1 data L1 instruction L2
Size: 16 KB 16 KB 256 KB
Associativity: 4-way set
associative
4-way set
associative
8-way set
associative
Line size: 32 bytes 32 bytes 32 bytes
 
Instruction set extensionsAdditional instructions
MMX CMOV
SSE CMPXCHG8B
  FXSAVE/FXRSTORE
  SYSENTER/SYSEXIT
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
  Advanced programmable interrupt controller
  Debugging extensions
  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
  Processor serial number
  Time stamp counter
  Virtual 8086-mode enhancements

Our CPUID database has 2 records for this microprocessor. See all submitted records.

Comments (0)

Terms and Conditions · Privacy Policy · Contact Us (c) Copyright 2003 - 2010 Gennadiy Shvets

Search CPU-World

Search site contents:

Identify part

Identify CPU, FPU or MCU:

Related Links

Architecture
Identification
Pinouts
Support chips

Find CPUs

Find Pentium III CPUs with:

Same socket