AMD

AMD K6-2+ 550ACZ

AMD processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
14W
TDP

At a Glance

AMD
Cores / Threads 1C / 1T
Base Clock 550 GHz
TDP 14W
Architecture K7
Socket AMD Super Socket 7
nm
Process 180 nm
Released Sep 2000

AMD K6-2+ 550ACZ Specifications

K6-2+ 550ACZ Core Configuration

Processing cores and threading

The AMD K6-2+ 550ACZ features 1 physical cores and 1 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
1
Threads
1
SMP CPUs
1

K6-2+ 550ACZ Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in K6-2+ 550ACZ benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The K6-2+ 550ACZ by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
550 GHz
Boost Clock
N/A
Multiplier
5.5x

AMD's K6-2+ 550ACZ Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the K6-2+ 550ACZ processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The K6-2+ 550ACZ's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB
L2 Cache
128 KB

K7 Architecture & Process

Manufacturing and design details

The AMD K6-2+ 550ACZ is built on AMD's 180 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in K6-2+ 550ACZ incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K7
Codename
Sharptooth
Process Node
180 nm
Transistors
21 million
Generation
K6-2+ (Sharptooth)

K7 Instruction Set Features

Supported CPU instructions and extensions

The K6-2+ 550ACZ by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
3DNow!
SSE

K6-2+ 550ACZ Power & Thermal

TDP and power specifications

The AMD K6-2+ 550ACZ has a TDP (Thermal Design Power) of 14W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
14W

AMD Super Socket 7 Platform & Socket

Compatibility information

The K6-2+ 550ACZ uses the AMD Super Socket 7 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Super Socket 7
Chipsets
ALI Aladdin V, Aladdin 7, VIA Apollo VP3, MVP3, MVP4, SiS 530, 540
DDR5

AMD Super Socket 7 Memory Support

RAM compatibility and speeds

Memory support specifications for the K6-2+ 550ACZ define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the K6-2+ 550ACZ determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
unknown Depends on motherboard

K6-2+ 550ACZ Product Information

Release and pricing details

The AMD K6-2+ 550ACZ is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the K6-2+ 550ACZ by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Sep 2000
Market
Mobile
Status
End-of-life
Part Number
550ACZ

K6-2+ 550ACZ Benchmark Scores

No benchmark data available for this CPU.

About AMD K6-2+ 550ACZ

The AMD K6-2+ 550ACZ is a single-core mobile processor from the Sharptooth generation, built on a 180 nm process with 21 million transistors. It operates at a base clock of 550 MHz and carries a 14 W TDP, placing it in a low-power segment aimed at portable systems. Its benchmark percentile of 50 indicates median performance within the database, though the absence of measured scores and nearest rivals leaves its competitive position defined primarily by architectural characteristics rather than direct performance deltas.

Benchmark Performance

The K6-2+ 550ACZ holds a 50th percentile ranking among all CPUs in the database, a figure that signals mid-pack standing when considering the entire spectrum of processors cataloged. However, the processor's `avgBenchmarkScore` is 0, and its `benchmarks` array is empty, meaning no direct synthetic or workload-specific scores are available for analysis. Consequently, the percentile value must be interpreted cautiously—it reflects a default placement rather than a result derived from actual test data.

Without benchmark scores or nearestRivals entries, percentage-based comparisons against specific competitors cannot be made. The data does not provide any deltaPct values, rival names, or score differentials. What can be stated is that the 550 MHz base clock, combined with a 64 KB L1 cache and 128 KB L2 cache, positions this chip for basic computational tasks typical of early mobile computing. The single-core, single-thread configuration means performance scales directly with clock speed and cache efficiency, but no measured outcomes exist to quantify that scaling against other parts.

The absence of a boost clock further indicates that the processor operates at a fixed frequency, with no dynamic overclocking headroom built into its design. In practice, users would experience consistent but unremarkable throughput on single-threaded workloads, though the lack of rival data prevents any definitive statement about its standing relative to contemporary or modern chips.

Platform and Compatibility

The K6-2+ 550ACZ fits into the AMD Super Socket 7 platform, a socket that supported a range of processors from the late 1990s and early 2000s. This socket provided a pathway for upgrades within its generation, though the processor itself is marked as end-of-life, indicating that no further production or support is ongoing. The architecture is listed as K7, with the codename Sharptooth, clarifying that this is part of AMD's K6-2+ line despite the K7 architectural label.

Memory support is described as "unknown" and explicitly stated to depend on the motherboard. This means the processor does not dictate memory standards—instead, the specific Super Socket 7 board determines what RAM types, capacities, and speeds are usable. ECC memory is not supported, which aligns with the processor's mobile, consumer-oriented market segment. No memory bus width or bandwidth figures are provided, so memory performance cannot be quantified.

PCIe support is not listed, which is consistent with the processor's era—Super Socket 7 systems predate PCIe, relying instead on older bus standards like PCI and AGP. The upgrade path for this platform would involve swapping to another Super Socket 7 processor, but with the K6-2+ line being end-of-life, viable upgrade options are limited to other chips from the same socket generation. The multiplier is locked, meaning users cannot adjust clock ratios to squeeze out higher frequencies, further constraining overclocking potential.

The mobile market segment designation implies the processor was designed for laptops and portable systems, where the 14 W TDP and moderate clock speed would balance performance against battery life and thermal constraints.

How It Compares

The nearestRivals array is empty, so no direct comparisons to other processors can be made using the provided data. There are no rival names, no score differentials, and no deltaPct values to reference. This absence means that any comparative analysis must rely solely on the processor's own specifications and its percentile placement.

The 50th percentile ranking suggests that, if a full dataset were available, the K6-2+ 550ACZ would sit exactly at the midpoint of all CPUs in the database. This could imply that half of all cataloged processors are faster and half are slower, but without specific rival entries, the practical implications remain vague. In the context of its era, a 550 MHz single-core chip with 128 KB of L2 cache would have been a mid-range mobile offering, but the fact pack does not provide the data to substantiate that claim against named alternatives.

Given the empty rivals list, no further positional analysis is possible. The processor stands alone in the dataset, defined only by its own metrics.

FAQ

Q: What is the base clock speed of the AMD K6-2+ 550ACZ?

A: The base clock speed is 550.00 MHz, with no boost clock available.

Q: Does this processor support ECC memory?

A: No, ECC memory is not supported.

Q: What socket does the K6-2+ 550ACZ use?

A: It uses the AMD Super Socket 7 socket.

Q: What is the thermal design power (TDP) of this processor?

A: The TDP is rated at 14 W.

Q: How many cores and threads does the K6-2+ 550ACZ have?

A: It has 1 core and 1 thread.

Q: What is the production status of this processor?

A: It is marked as end-of-life.

Q: What cache sizes are available on this chip?

A: It has 64 KB of L1 cache and 128 KB of L2 cache.

Q: Is the clock multiplier unlocked?

A: No, the multiplier is locked, preventing manual frequency adjustments.

Power and Thermals

The K6-2+ 550ACZ carries a TDP of 14 W, a figure that defines its thermal envelope and cooling requirements. This low power draw is characteristic of mobile processors from its generation, designed to operate within the limited cooling and battery constraints of laptops. A 14 W TDP implies that a basic passive or low-speed active cooling solution would suffice—likely a small heatsink with a quiet fan, or even a passive cooler in a well-ventilated chassis.

The 180 nm process node contributes to this efficiency, as larger geometries typically consume more power per transistor than smaller nodes, but the modest clock speed of 550 MHz keeps overall consumption in check. The absence of a boost clock means the processor never transiently increases its power draw, so thermal loads remain steady under sustained operation. This predictability simplifies thermal design for system integrators.

For users considering this processor today, the 14 W TDP means it can be cooled by a capable air cooler, though the end-of-life status and Super Socket 7 platform compatibility limit practical applications. The mobile market segment further suggests that thermal solutions were designed for compact form factors, prioritizing low noise and low heat output over maximum performance. No wattage figures beyond the TDP are provided, so precise power consumption under varying loads cannot be estimated, but the single-core design and lack of integrated graphics keep the thermal profile minimal.

In summary, the 14 W TDP classifies this as a low-power part, suitable for basic mobile computing with straightforward cooling requirements. The locked multiplier and fixed clock speed ensure consistent thermal behavior, making it an uncomplicated component from a power and thermals perspective.

The Intel Equivalent of K6-2+ 550ACZ

Looking for a similar processor from Intel? The Intel Core i5-750 offers comparable performance and features in the Intel lineup.

Intel Core i5-750

Intel • 4 Cores

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