AMD K6-IIIE+ 550 - K6-III+/550ACR

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Specifications

General information
Type	CPU / Microprocessor
Market segment	Embedded
Family	AMD K6-IIIE+
CPU part number	K6-III+/550ACR is an OEM/tray microprocessor
Frequency ?	550 MHz
Bus speed ?	100 MHz
Clock multiplier ?	5.5
Package	321-pin ceramic staggered PGA 1.95" x 1.95" (4.95 cm x 4.95 cm)
Socket	Super 7
Introduction date	Sep 25, 2000
Price at introduction	$101

Architecture / Microarchitecture
Microarchitecture	K6
Manufacturing process	0.18 micron
Floating Point Unit	Integrated
Level 1 cache size ?	32 KB 2-way set associative instruction cache with additional 20 KB pre-decode cache 32 KB 2-way set associative dual-ported writeback data cache
Level 2 cache size ?	256 KB full-speed
Physical memory	4 GB
Features	3DNow! with 5 extra instructions
Low power features	Halt state Stop Grant state ? Stop Grant Inquire state Stop Clock state PowerNow!

Electrical/Thermal parameters
V core ?	2V ± 0.1V
Min/Recommended/Max V I/O or secondary	3.135V / 3.3V / 3.6V
Minimum/Maximum operating temperature ?	0°C - 70°C
Minimum/Typical/Maximum power dissipation	4.5 Watt (Stop Grant mode) / 15.7 Watt / 19.5 Watt

CPUs, related to AMD K6-IIIE+ 550 MHz (K6-III+/550ACR)

Model Freq. L1
cache L2
cache TDP Features

AMD K6-IIIE+ family, Super socket 7

   AMD K6-IIIE+ 400 MHz (K6-III+/400ACR) 400 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 400 MHz (K6-III+/400ATZ) 400 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 450 MHz (K6-III+/450ACR) 450 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 450 MHz (K6-III+/450APZ) 450 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 500 MHz (K6-III+/500ACR) 500 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 500 MHz (K6-III+/500ANZ) 500 MHz 64 KB 256 KB 3DNow, ESS

AMD K6-IIIE+ family, K6 micro-architecture, Other sockets

   AMD K6-IIIE+ 400 MHz (K6-III+/400ICR) 400 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 400 MHz (K6-III+/400ITZ) 400 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-IIIE+ 450 MHz (K6-III+/450ICR) 450 MHz 64 KB 256 KB 3DNow, ESS

Other families, K6 micro-architecture, Super socket 7

   AMD K6-2e 350 MHz (AMD-K6-2E/350AFR) 350 MHz 64 KB MMX, 3DNow, ESS

   AMD K6-2e 350 MHz (AMD-K6-2E/350AMZ) 350 MHz 64 KB MMX, 3DNow, ESS

   AMD K6-III-P 450 MHz (AMD-K6-III/450ACK) 450 MHz 64 KB 256 KB 3DNow, ESS

   AMD K6-III 450 MHz (AMD-K6-III/450AHX) 450 MHz 64 KB 256 KB MMX, 3DNow, ESS

   AMD K6-2P 500 MHz (AMD-K6-2/500ADK) 500 MHz 64 KB MMX, 3DNow, ESS

   AMD K6-2E+ 500 MHz (AMD-K6-2+/500ACR) 500 MHz 64 KB 128 KB 18.5 Watt MMX, 3DNow, ESS

   AMD K6-III+ 500 MHz (AMD-K6-III+/500ACZ) 500 MHz 64 KB 256 KB MMX, 3DNow, ESS

   AMD K6-2 550 MHz (AMD-K6-2/550AFX) 550 MHz 64 KB MMX, 3DNow, ESS

   AMD K6-2+ 570 MHz (AMD-K6-2+/570ACZ) 570 MHz 64 KB 128 KB MMX, 3DNow, ESS

• Highlighted numbers and features indicate whether specific processor performs better or worse than K6-IIIE+ 550 MHz (K6-III+/550ACR)

• 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
3DNow - 3DNow! instructions
ESS - PowerNow! / Enhanced SpeedStep

Pictures (2)


550Mhz
2010-02-19 10:43:37 Posted by: sirhannick
K6-III+ 550Mhz ACR @ 2.0V

AMD-K6-III+ 550ACR
2011-02-11 19:47:54 Posted by: o-tech
Photo of my AMD-K6-III+ 550ACR CPU. Many people have told me that these were never produced or don't exist, but I can assure you that they do - I've had dozens of them over the years. My retro PC is running one of these at 105MHz FSB x 6.0 multiplier = 630MHz on air cooling using a standard socket 7 cooler at 120F. This is a great CPU that I used to upgrade my Asus P5A motherboard. Full part number is: AMD-K6-III+/550ACR \| 2.0V CORE/3.3V I/O

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Comments (1)

Fastest K6-III+ Clock Speed

2010-02-19 10:48:27

Posted by: sirhannick

For the socket 7, this is the fastest performing chip due to its 550Mhz clock speed and 256KB L2 cache. However, the K6-II+ clocked at 570Mhz is the fastest clocked chip for the Socket 7, but only has 128KB L2 cache.

Last modified: 3 May 2012

AMD K6-IIIE+ 550 - K6-III+/550ACR

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Pictures (2)

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Comments (1)

Fastest K6-III+ Clock Speed

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