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AMD K6 166 - AMD-K6/PR2-166ALR

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AMD K6 166 MHz specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD K6
CPU part numberAMD-K6/PR2-166ALR is an OEM/tray microprocessor
Frequency  ? 166 MHz
Bus speed  ? 66 MHz
Clock multiplier  ? 2.5
Package321-pin ceramic staggered PGA
1.95" x 1.95" (4.95 cm x 4.95 cm)
AMD Package number25755
SocketSocket 7
Introduction date2-Apr-97
Price at introduction$244
Architecture / Microarchitecture
Processor core  ? Model 6
Manufacturing process0.35 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  ? 2.9V ± 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 dissipation1.6 Watt (Stop Clock mode) / 10.3 Watt / 17.2 Watt
Notes on AMD AMD-K6/PR2-166ALR
  • Early K6 processors had PR2 (Pentium II) rating in their part number. Later this rating was dropped from the part number because processor frequency was the same as the PR2 rating.

Detailed side-by-side comparison

For detailed comparision of the AMD K6 166 MHz 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: AMD-K6/PR2-166ALR, AMD K6 166MHz, Model 6 Socket 7

K6 166 MHz Overclocking

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

Compare AMD AMD-K6/PR2-166ALR 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 K6 166 MHz Benchmarks

The graphs below show up to 10 microprocessors with approximately the same level of integer (CPU), floating-point (FPU), SIMD and memory performance. All processors were not overclocked, and were tested at a nominal frequency, with a stock heatsink and default BIOS settings. Click on the '?' mark next to each model name to see specifications of that model, and details of the test platform. To find out how the AMD-K6/PR2-166ALR compares to other CPUs in specific benchmarks or in aggregate milti-threading performance please see benchmark tools section on the right.

Benchmarked processor

CPU ID:0561h
CPU vendor string:AuthenticAMD
CPU name string:AMD-K6tm w/ multimedia extensions

Integer performance

Part number   Result
AMD K5 105MHz AMD-K5-PR150ABR  ? 
AMD K5 100MHz AMD-K5-PR133ABR  ? 
IBM 6x86MX 133MHz 6x86MX-AVAPR166GB  ? 
Rise Technology MP6 150MHz MP6440DPF-ES (2.8V 2x75 MHz)  ? 
AMD K6 166MHz AMD-K6-166ALR  ? 
AMD K6 166MHz AMD-K6/PR166 (black) (ES)  ? 
AMD K6 166MHz AMD-K6/PR2-166ALR  ? 
Intel Pentium 200MHz FV80502200  ? 
AMD K5 100MHz AMD-K5-PR133ABQ  ? 
Intel Pentium MMX 233MHz BP80503233  ? 
Intel Pentium 166MHz BP80502166  ? 
Intel Pentium 166MHz A80502166  ? 

Floating Point performance

Part number   Result
Intel Pentium MMX overdrive 200MHz PODPMT66X200  ? 
Intel Pentium 200MHz FV80502200  ? 
Rise Technology MP6 200MHz MP6441DPFH4-Q  ? 
Intel Pentium MMX overdrive PODPMT60X180  ? 
AMD K6 166MHz AMD-K6-166ALR  ? 
AMD K6 166MHz AMD-K6/PR166 (black) (ES)  ? 
AMD K6 166MHz AMD-K6/PR2-166ALR  ? 
Intel Pentium MMX 166MHz A80503166  ? 
Intel Pentium 166MHz A80502166  ? 
Intel Pentium 166MHz BP80502166  ? 
Rise Technology MP6 166MHz MP6440DPF-ES (2.7V 2x83 MHz)  ? 
IBM 6x86MX 6x86MX-266GP (2.9V 83MHz 2.5X) (SAMPLE)  ? 

MMX / SSE / SSE2 performance

Part number   Result
Intel Pentium MMX overdrive PODPMT60X150  ? 
Intel Mobile Pentium MMX 150MHz FV80503150  ? 
AMD K5 133MHz AMD-K5-PR200ABX  ? 
Intel Mobile Pentium MMX 133MHz FV80503133  ? 
AMD K6 166MHz AMD-K6-166ALR  ? 
AMD K6 166MHz AMD-K6/PR166 (black) (ES)  ? 
AMD K6 166MHz AMD-K6/PR2-166ALR  ? 
Intel Pentium 200MHz FV80502200  ? 
IBM 6x86MX 225MHz 6x86MX-300GP (2.9V 75 MHz)  ? 
AMD K5 AMD-K5-PR166ABQ  ? 
AMD K5 AMD-K5-PR166ABR  ? 
Cyrix 6x86MX 208MHz 6x86MX-PR266 (83MHz 2.7V)  ? 

CPU ID information for the K6 166 MHz

We don't have CPU ID information for the AMD K6 166 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, AMD-K6%47PR2-166ALR part number, and, most importantly, make the CPUID record public. To search or browse all public CPUID submissions please visit CPUID database.

CPUs, related to AMD K6 166 MHz (AMD-K6/PR2-166ALR)

Model Frequency L1
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>
 • 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 K6 166 MHz (AMD-K6/PR2-166ALR)
 • Click on the >  icon to compare any CPU in the table with the AMD K6 166 MHz (AMD-K6/PR2-166ALR) (Javascript required).
 • Features abbreviations:
3DNow - 3DNow! instructions

Pictures (1)

AMD K6 166 - AMD-K6/PR2-166ALR

166 MHz PR2 rating, 166 MHz real
321-pin ceramic staggered PGA

Early AMD K6 processors included PR2 (Pentium II rating) in their name. In the second half of 1997 the PR2 rating was dropped from the part number as the rated processor speed matched real processor speed.

This processor was manufactured in April 1997 - just weeks after the K6 processor family was launched by AMD.
AMD K6 166 - AMD-K6/PR2-166ALR
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