AMD K6 266 - AMD-K6/266AFR


Specifications

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AMD K6 266 MHz specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD K6
CPU part numberAMD-K6/266AFR is an OEM/tray microprocessor
Frequency  ? 266 MHz
Bus speed  ? 66 MHz
Clock multiplier  ? 4
Package321-pin ceramic staggered PGA
1.95" x 1.95" (4.95 cm x 4.95 cm)
AMD Package numbers26031, 26177
SocketSocket 7
Introduction date7-Apr-98
Price at introduction$156
 
Architecture / Microarchitecture
MicroarchitectureK6
CPUID570
Manufacturing process0.25 micron
8.8 million transistors
Data width32 bit
Floating Point UnitIntegrated
Level 1 cache size  ? 32 KB code with pre-decode cache
32 KB writeback data
Physical memory4 GB
FeaturesMMX instructions
Low power features
  • Halt state
  • Stop Grant state  ? 
  • Stop Grant Inquire state
  • Stop Clock state
 
Electrical / Thermal parameters
V core  ? 2.2V ± 0.1V
Min/Recommended/Max V I/O or secondary3.135V / 3.3V / 3.6V
Minimum/Maximum operating temperature  ? 0°C - 70°C
Minimum/Typical/Maximum power dissipation2.25 Watt (Stop Clock mode) / 8.75 Watt / 14.55 Watt
 

CPUs, related to AMD K6 266 MHz (AMD-K6/266AFR)

Model Freq. L1
cache
Features
AMD K6 family, Socket 7
   K6 166 MHz (AMD-K6-166ALR)166 MHz64 KB
   K6 166 MHz (AMD-K6-166ALYD)166 MHz64 KB
   K6 166 MHz (AMD-K6/PR2-166ALR)166 MHz64 KB
   K6 200 MHz (AMD-K6-200ALR)200 MHz64 KB
   K6 200 MHz (AMD-K6-200ALYD)200 MHz64 KB
   K6 200 MHz (AMD-K6/200AFR)200 MHz64 KB
   K6 200 MHz (AMD-K6/PR2-200ALR)200 MHz64 KB
   K6 200 MHz (K6/200ALR)200 MHz64 KB
   K6 233 MHz (AMD-K6-233ANR)233 MHz64 KB
   K6 233 MHz (AMD-K6/233AFR)233 MHz64 KB
   K6 233 MHz (AMD-K6/233APR)233 MHz64 KB
   K6 233 MHz (K6/233ANR)233 MHz64 KB
   K6 266 MHz (AMD-K6/266AFR)266 MHz64 KB
   K6 300 MHz (AMD-K6/300AFR)300 MHz64 KB
Other families, K6 micro-architecture, Socket 7
   K6-2 200 MHz (AMD-K6-2/200AFR)200 MHz64 KB3DNow
   K6-2 233 MHz (AMD-K6 3D/233AFR)233 MHz64 KB3DNow
   K6-2 233 MHz (AMD-K6-2/233AFR)233 MHz64 KB3DNow
   K6-2 266 MHz (AMD-K6 3D/266AFR)266 MHz64 KB3DNow
   K6-2 266 MHz (AMD-K6-2/266AFR)266 MHz64 KB3DNow
   K6-2 300 MHz (AMD-K6-2/300AFR-66)300 MHz64 KB3DNow
   K6-2 333 MHz (AMD-K6-2/333AFR-66)333 MHz64 KB3DNow
   K6-2 366 MHz (AMD-K6-2/366AFR)366 MHz64 KB3DNow

 • Highlighted numbers and features indicate whether specific processor performs better or worse than K6 266 MHz (AMD-K6/266AFR)

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

 • Features abbreviations:

3DNow - 3DNow! instructions

AMD K6 266 MHz Overclocking

Sorry, we do not have overclocking data for this AMD K6 processor at this time.

Pictures (4)

Engraved markings

266 MHz
321-pin ceramic staggered PGA
AMD K6 266 - AMD-K6/266AFR
Black ink markings

266 MHz
321-pin ceramic staggered PGA

Black printing
AMD K6 266 - AMD-K6/266AFR
For your consideration
2009-02-10 19:48:15
Posted by: Richard Lebelinski

Black printed AMD K6 266MHZ

Richard Lebelinski (UK)
Leba837@hotmail.com
For your consideration
Retail box
2009-07-12 12:27:04
Posted by: Neon

Notice the picture of black top K6 included on the retail box.

Also, AMD used their slogan, "The Smart Choice" during the K6 era.
Retail box

Benchmarks

Benchmark tools

  • Compare AMD 80523PX333512PE benchmark results with all tested CPUs from one of the following families:

  • To compare this K6 CPU with any tested processor please proceed to

AMD 80523PX333512PE 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 80523PX333512PE compares to other CPUs please see benchmark tools section above.

Benchmarked processor

CPU ID:0570h
CPU vendor string:AuthenticAMD
CPU name string:AMD-K6tm w/ multimedia extensions

Integer performance

Part number   Result
IBM 6x86MX 225MHz 6X86MX-300GP (2.9V 75 MHZ)  ? 
115.3%
AMD K6 300MHz AMD-K6/300AFR  ? 
111%
AMD K6 266MHz AMD-K6/266AFR  ? 
100%
AMD Mobile K6 266MHz AMD-K6/266ACZ  ? 
99.8%
IBM 6x86MX 6X86MX-233GP (2.9V 75 MHZ)  ? 
93.3%
AMD K5 133MHz AMD-K5-PR200ABX  ? 
92.1%
AMD K5 133MHz AMD-K5-PR200ABX  ? 
91.9%
Rise Technology MP6 200MHz MP6440DPF-ES (2.7V 2X100 MHZ)  ? 
89.7%

Floating Point performance

Part number   Result
AMD K6 300MHz AMD-K6/300AFR  ? 
112.6%
AMD K6 266MHz AMD-K6/266AFR  ? 
100%
AMD Mobile K6 266MHz AMD-K6/266ACZ  ? 
100%
AMD K6 233MHz AMD-K6/233APR  ? 
87.4%
Intel Pentium MMX 233MHz BP80503233  ? 
81.7%
AMD K6 200MHz K6/200ALR  ? 
74.8%
AMD K6 200MHz AMD-K6/PR200 (BLACK ES)  ? 
73.8%
Intel Pentium MMX 200MHz FV80503200  ? 
70%

MMX / SSE / SSE2 performance

Part number   Result
AMD K6 300MHz AMD-K6/300AFR  ? 
112.4%
Intel Pentium MMX 233MHz BP80503233  ? 
110.9%
AMD K6 266MHz AMD-K6/266AFR  ? 
100%
AMD Mobile K6 266MHz AMD-K6/266ACZ  ? 
99.9%
Rise Technology MP6 200MHz MP6440DPF-ES (2.7V 2X100 MHZ)  ? 
98.3%
Rise Technology MP6 200MHz MP6441RPFH4-Q  ? 
98.2%
Rise Technology MP6 200MHz MP6441DPFH4-Q  ? 
98%
Intel Pentium MMX 200MHz FV80503200  ? 
95.2%

CPU ID (1)

CPUID Tools

CPUID features of K6 266

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 K6 266 CPU.

Manufacturer:AMD
CPU Family:K6
Model Number:266
Frequency:2 MHz
Part number:
AMD-K6/266AFR
Stepping Code:A 9840BPXW
Comment:Little Foot 26031
Submitted by:Neon
General information
Vendor:AuthenticAMD
Processor name (BIOS):AMD-K6tm w/ multimedia extensions
Processor type:Original OEM Processor
CPUID signature:570
Family: 5 (05h)
Model: 7 (07h)
Stepping: 0 (00h)

Cache: L1 data L1 instruction
Size: 32 KB 32 KB
Associativity: 2-way set associative 2-way set associative
Line size: 32 bytes 32 bytes
Lines per tag: 2 2
 
Instruction set extensionsAdditional instructions
MMX CMPXCHG8B
 
Major featuresOther features
On-chip Floating Point Unit Debugging extensions
  Machine check exception
  Model-specific registers
  Page-size extensions (4MB pages)
  Time stamp counter
  Virtual 8086-mode enhancements

Comments (0)

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