Intel Pentium II 300 - 80522PX300512EC (B80522P300512E)


Specifications

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Intel Pentium II 300 MHz specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyIntel Pentium II
CPU part numbers80522PX300512EC is an OEM/tray microprocessor
B80522P300512E is a boxed microprocessor
Frequency  ? 300 MHz
Bus speed  ? 66 MHz
Clock multiplier  ? 4.5
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 / SC242
Introduction date14-Jul-97
Price at introduction$1981
 
S-spec numbers
  ES/QS processors Production processors
Part number Q206 SL28R SL2HA SL2MZ SL2QC
80522PX300512EC+++  
B80522P300512E   ++
 
Architecture / Microarchitecture
MicroarchitectureP6
Processor core  ? Klamath
Core steppings  ? C0 (SL28R, SL2MZ)
C1 (Q206, SL2HA, SL2QC)
CPUIDs633 (SL28R, SL2MZ)
634 (Q206, SL2HA, SL2QC)
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
FeaturesMMX instructions
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%
Maximum operating temperature  ? 72°C
Maximum power dissipation  ? 48.43 Watt
Thermal Design Power  ? 43 Watt
 

CPUs, related to Intel Pentium II 300 MHz (80522PX300512EC)

Model Freq. L2
cache
Multi-
processing
TDP Features
Intel Desktop Pentium II family, Slot 1
   Pentium II 266 MHz (DC80522PX2665EC)266 MHz512 KB2 
   Pentium II 300 MHz (80522PX300512)300 MHz512 KB243 Watt
   Pentium II 300 MHz (80522PX300512EC)300 MHz512 KB243 Watt
   Pentium II 300 MHz (80523PX300512PE)300 MHz512 KB218.6 Watt
   Pentium II 333 MHz (80523PX333512)333 MHz512 KB223.7 Watt
   Pentium II 333 MHz (80523PX333512PE)333 MHz512 KB223.7 Watt
   Pentium II 350 MHz (80523PY350512)350 MHz512 KB221.5 Watt
   Pentium II 350 MHz (80523PY350512PE SECC2)350 MHz512 KB221.5 Watt
   Pentium II 350 MHz (80523PY350512PE)350 MHz512 KB221.5 Watt
   Pentium II 400 MHz (80523PY400512)400 MHz512 KB224.3 Watt
   Pentium II 400 MHz (80523PY400512PE SECC2)400 MHz512 KB224.3 Watt
   Pentium II 400 MHz (80523PY400512PE)400 MHz512 KB224.3 Watt
   Pentium II 450 MHz (80523PY450512)450 MHz512 KB227.1 Watt
   Pentium II 450 MHz (80523PY450512PE SECC2)450 MHz512 KB227.1 Watt
   Pentium II 450 MHz (80523PY450512PE)450 MHz512 KB227.1 Watt
Other families, P6 micro-architecture, Slot 1
   Celeron 333 MHz (80524RX333128)333 MHz128 KB  
   Celeron 366 MHz (80524RX366128)366 MHz128 KB  
   Celeron 400 MHz (80524RX400128)400 MHz128 KB  
   Celeron 433 MHz (80524RX433128)433 MHz128 KB  
   Pentium III 850 MHz (80526PY850256)850 MHz256 KB2 SSE
   Pentium III 866 MHz (80526PZ866256)866 MHz256 KB2 SSE
   Pentium III 933 MHz (80526PZ933256)933 MHz256 KB2 SSE
   Pentium III 1 GHz (80526PY1000256)1 GHz256 KB2 SSE
   Pentium III 1BGHz (Slot 1)1 GHz256 KB2 SSE

 • Highlighted numbers and features indicate whether specific processor performs better or worse than Pentium II 300 MHz (80522PX300512EC)

 • 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:

SSE - SSE instructions

Intel Pentium II 300 MHz Overclocking

Sorry, overclocking information for this processor is not available at this time.

Pictures (7)

Top view

Intel Pentium II 300 - 80522PX300512EC (B80522P300512E)
Front view

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

Front view
Image reduced 2x times
Intel Pentium II 300 - 80522PX300512EC (B80522P300512E)
 
2009-06-09 04:30:15
Posted by: Thomsonicus

 
 
Internal View
2009-06-13 09:05:00
Posted by: Kevin Heinen

SL2QC - With the cartridge casing removed
Internal View
 
2010-06-01 17:50:53
Posted by: Fuynfactory

 
 
Disassembled (1)
2011-02-26 20:47:54
Posted by: Dukers

B80522P300512E (SL2QC) disassembled
Disassembled (1)
Disassembled (2)
2011-02-26 20:49:47
Posted by: Dukers

B80522P300512E (SL2QC) disassembled
Disassembled (2)

Benchmarks

Benchmark tools

  • Compare Intel RB80526PY550256 benchmark results with all tested CPUs from one of the following families:

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Intel RB80526PY550256 benchmarks

The graphs below show up to 10 processors with aproximately the same level of performance in different types of applications. All processors were tested at nominal frequency (not overclocked), with stock heatsink and default BIOS settings. To see how the RB80526PY550256 compares to other CPUs please see benchmark tools section above.

Benchmarked processor

CPU ID:0634h
CPU vendor string:GenuineIntel

Integer performance

Part number   Result
Intel Celeron 333MHz CELERON 333  ? 
111.3%
Intel Pentium II 333MHz 80523PX333512PE  ? 
111.2%
Intel Celeron 333MHz FV80524RX333128  ? 
111%
AMD K6-2 500MHz AMD-K6-2/500AFX  ? 
101.8%
Intel Celeron 300A  ? 
100.1%
Intel Pentium II 300MHz 80522PX300512EC  ? 
100%
Intel Pentium II B80522P300512E  ? 
100%
Intel Pentium II 300MHz 80523PX300512PE  ? 
99.9%
Intel Celeron 300MHz FV80524RX300128  ? 
99.6%
Intel Celeron 300MHz CELERON 300  ? 
98.9%
AMD K6-2 475MHz AMD-K6-2/475AHX  ? 
96.8%
AMD K6-2 450MHz AMD-K6-2/450AFX  ? 
93.3%

Floating Point performance

Part number   Result
AMD K6-2 350MHz AMD-K6-2/350AFR  ? 
105.5%
AMD K6-2 350MHz AMD-K6-2/350 (2.2V ENGINEERING SAMPLE)  ? 
104.8%
AMD K6-III 333MHz AMD-K6-III/333AFR  ? 
100.8%
AMD K6-2 333MHz AMD-K6-2/333AFR  ? 
100.5%
Intel Celeron 300A  ? 
100.3%
Intel Pentium II 300MHz 80522PX300512EC  ? 
100%
Intel Pentium II 300MHz 80523PX300512PE  ? 
100%
AMD K6-2 AMD-K6-2/333AFR (BLACK)  ? 
99.7%
Intel Celeron 300MHz CELERON 300  ? 
99.2%
AMD K6-2 300MHz AMD-K6-2/300AFR-66  ? 
90.2%
AMD K6-2 300MHz AMD-K6-2/300AFR  ? 
89.9%
AMD K6-2 AMD-K6-2/300AFR (BLACK)  ? 
89.7%

MMX / SSE / SSE2 performance

Part number   Result
Intel Pentium II 333MHz 80523PX333512  ? 
111.3%
Intel Pentium II 333MHz 80523PX333512PE  ? 
111.3%
Intel Celeron 333MHz FV80524RX333128  ? 
111.1%
Intel Celeron 300A  ? 
100.1%
Intel Pentium II B80522P300512E  ? 
100.1%
Intel Pentium II 300MHz 80522PX300512EC  ? 
100%
Intel Pentium II 300MHz 80523PX300512PE  ? 
100%
Intel Celeron 300MHz FV80524RX300128  ? 
99.7%
Intel Celeron 300MHz CELERON 300  ? 
99%
Intel Pentium II 266MHz 80522PX266512EC  ? 
88.8%
IDT Winchip 2 WINCHIP2-3DE225GA (3.52V) (SAMPLE)  ? 
88.4%

CPU ID

CPUID Tools

  • We don't have CPU ID information for the Pentium II 300 MHz CPU in our database. If you have this processor please use our CPUID tool to submit CPUID information. During submission, please specify family name, 80522PX300512EC part number, and, most importantly, make the CPUID record public.
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