Intel Pentium II 266 - 80522PX266512EC (B80522P266512E)


Specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Pentium II
CPU part numbers80522PX266512EC is an OEM/tray microprocessor
B80522P266512E is a boxed microprocessor
Frequency  ? 266 MHz
Bus speed  ? 66 MHz
Clock multiplier  ? 4
PackageSingle Edge Contact Cartridge
5.505" x 2.473" x 0.647" (13.98 cm x 6.28 cm x 1.64 cm)
SocketSlot 1
Introduction date14-Jul-97
Price at introduction$805
 
S-spec numbers
  ES/QS processors Production processors
Part number Q209 SL269 SL2HE SL2PV SL2QD
80522PX266512EC+++  
B80522P266512E   ++
 
Architecture / Microarchitecture
MicroarchitectureP6
Processor core  ? Klamath
Core steppings  ? C0 (SL269, SL2PV)
C1 (Q209, SL2HE, SL2QD)
CPUIDs633 (SL269, SL2PV)
634 (Q209, SL2HE, SL2QD)
Manufacturing process0.35 micron, 7.5 million transistors
Data width32 bit
Data bus width64 bit
Floating Point UnitIntegrated
Level 1 cache size  ? 16 KB code
16 KB data
Level 2 cache size  ? 512 KB unified cache running at 1/2 of processor frequency
Physical memory64 GB
MultiprocessingUp to 2 processors
Low power features
  • AutoHALT state  ? 
  • Stop Grant state  ? 
  • Sleep state  ? 
  • Deep Sleep state  ? 
 
Electrical/Thermal parameters
V core  ? 2.8V
V L2 cache3.3V ± 5%V
Maximum operating temperature  ? 75°C
Maximum power dissipation  ? 44.23 Watt
Thermal Design Power  ? 38.2 Watt
  CPUs, related to Intel Pentium II 266 MHz (80522PX266512EC)  

Model Freq. L2
cache
Multi-
processing
TDP Features
Intel Desktop Pentium II family, Slot 1
   Intel Pentium II 333 MHz (80523PX333512PE)333 MHz512 KB223.7 Watt
   Intel Pentium II 350 MHz (80523PY350512)350 MHz512 KB221.5 Watt
   Intel Pentium II 350 MHz (80523PY350512PE SECC2)350 MHz512 KB221.5 Watt
   Intel Pentium II 350 MHz (80523PY350512PE)350 MHz512 KB221.5 Watt
   Intel Pentium II 400 MHz (80523PY400512)400 MHz512 KB224.3 Watt
   Intel Pentium II 400 MHz (80523PY400512PE SECC2)400 MHz512 KB224.3 Watt
   Intel Pentium II 400 MHz (80523PY400512PE)400 MHz512 KB224.3 Watt
   Intel Pentium II 450 MHz (80523PY450512)450 MHz512 KB227.1 Watt
   Intel Pentium II 450 MHz (80523PY450512PE SECC2)450 MHz512 KB227.1 Watt
   Intel Pentium II 450 MHz (80523PY450512PE)450 MHz512 KB227.1 Watt
Other families, P6 micro-architecture, Slot 1
   Intel Celeron 333 MHz (80524RX333128)333 MHz128 KB  MMX
   Intel Celeron 366 MHz (80524RX366128)366 MHz128 KB  MMX
   Intel Celeron 400 MHz (80524RX400128)400 MHz128 KB  MMX
   Intel Celeron 433 MHz (80524RX433128)433 MHz128 KB  MMX
   Intel Pentium III 866 MHz (80526PZ866256)866 MHz256 KB2 MMX, SSE
   Intel Pentium III 933 MHz (80526PZ933256)933 MHz256 KB2 MMX, SSE
   Intel Pentium III 1 GHz (80526PY1000256)1 GHz256 KB2 MMX, SSE
   Intel Pentium III 1BGHz (Slot 1)1 GHz256 KB2 MMX, SSE

 • Highlighted numbers and features indicate whether specific processor performs better or worse than Pentium II 266 MHz (80522PX266512EC)

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

 • List of related CPUs is not complete.

 • Features abbreviations:

MMX - MMX instructions
SSE - SSE instructions

Pictures (3)

Top view

Intel Pentium II 266 - 80522PX266512EC (B80522P266512E)
Front view

266 MHz
512 KB L2 cache
Single Edge Contact cartridge (slot 1)

Front view
Image reduced 2x times
Intel Pentium II 266 - 80522PX266512EC (B80522P266512E)
 
2010-06-14 07:18:56
Posted by: Fuynfactory

 
 

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:0634h
CPU vendor string:GenuineIntel

Integer performance

Part number   Result
Intel Celeron 300MHz FV80524RX300128  ? 
112.3%
Intel Celeron 300MHz CELERON 300  ? 
111.5%
AMD K6-2 475MHz AMD-K6-2/475AHX  ? 
109.1%
AMD K6-2 450MHz AMD-K6-2/450AFX  ? 
105.2%
AMD K6-III 400MHz AMD-K6-III/400AHX  ? 
100.5%
Intel Pentium II 266MHz 80522PX266512EC  ? 
100%
Intel Pentium II B80522P266512  ? 
100%
Intel Celeron 266MHz CELERON 266  ? 
99%
AMD K6-2 400MHz AMD-K6-2/400AFQ  ? 
94.1%
Cyrix MII MII-433GP (100 MHZ 2.2V)  ? 
91.6%
AMD K6-2 380MHz AMD-K6-2/380AFR  ? 
89.6%
Intel Pentium II 233MHz 80522PX233512  ? 
87.4%

Floating Point performance

Part number   Result
Intel Celeron 300MHz CELERON 300  ? 
111.9%
AMD K6-2 300MHz AMD-K6-2/300AFR-66  ? 
101.7%
AMD K6-2 300MHz AMD-K6-2/300AFR  ? 
101.4%
AMD K6-2 AMD-K6-2/300AFR (BLACK)  ? 
101.1%
Intel Pentium II B80522P266512  ? 
100.3%
Intel Pentium II 266MHz 80522PX266512EC  ? 
100%
Intel Celeron 266MHz CELERON 266  ? 
99.4%
Intel Celeron 266MHz CELERON 266  ? 
99.2%
AMD K6-2 266MHz AMD-K6-2/266AFR  ? 
90.4%
AMD K6-2 266MHz AMD-K6 3D/266AFR  ? 
89.8%
Intel Pentium II 233MHz 80522PX233512  ? 
87.5%

MMX / SSE / SSE2 performance

Part number   Result
Intel Pentium II 300MHz 80522PX300512EC  ? 
112.6%
Intel Pentium II 300MHz 80523PX300512PE  ? 
112.6%
Intel Celeron 300MHz FV80524RX300128  ? 
112.3%
Intel Celeron 300MHz CELERON 300  ? 
111.5%
IDT Winchip 2 240MHz WINCHIP2-3DE240GA  ? 
105%
Intel Pentium II 266MHz 80522PX266512EC  ? 
100%
Intel Pentium II B80522P266512  ? 
100%
IDT Winchip 2 WINCHIP2-3DE225GA (3.52V) (SAMPLE)  ? 
99.5%
IDT Winchip 2 225MHz W2-3DEE225GDA  ? 
99.1%
Intel Celeron 266MHz CELERON 266  ? 
99.1%
Intel Celeron 266MHz CELERON 266  ? 
99.1%
IDT Winchip 2 200MHz W2A-3DEE200GTA  ? 
96.4%

CPU ID

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