Intel: More detailed information about Intel processors can be found on their product page.

Here is additional information about Intel Core i3, i5, i7, and i9 processors:

Intel Core i3

• Usage: Basic performance, suitable for light tasks such as browsing the internet, streaming videos, and using office applications.
• Number of Cores: Usually 2-4 cores.
• Clock Speed: Lower than i5, i7, and i9 processors.
• Hyper-Threading: Available in most models, allowing multiple threads to be executed simultaneously.

Intel Core i5

• Usage: Mid-range performance, suitable for multitasking, light gaming, and content creation.
• Number of Cores: Usually 4-6 cores.
• Clock Speed: Higher than i3 processors, and most models have Turbo Boost feature to increase clock speed when needed.
• Hyper-Threading: Available in some models, enhancing multitasking capabilities.

Intel Core i7

• Usage: High performance needs, suitable for heavy multitasking, gaming, and demanding content creation.
• Number of Cores: Usually 6-8 cores.
• Clock Speed: Higher than i5 processors, and Turbo Boost feature is common.
• Hyper-Threading: Available in most models, allowing multiple threads to be executed simultaneously.

Intel Core i9

• Usage: Top-tier performance, suitable for very demanding tasks such as professional video editing, 3D modeling, and gaming.
• Number of Cores: Usually 8-16 cores.
• Clock Speed: Highest among Core series processors, and Turbo Boost feature is standard.
• Hyper-Threading: Available in all models, maximizing multitasking capabilities.

Summary

• Core i3: For basic use.
• Core i5: Versatile and balanced performance.
• Core i7: For high performance needs.
• Core i9: Top-tier performance for demanding tasks.

Intel Processor Model Numbers (Example)

Intel uses model numbers that typically consist of the following parts:

• Brand: For example, Core i3, i5, i7, i9.
• Generation: The first number in the model number refers to the generation (e.g., 13xxx refers to the 13th generation).
• Product Number: The following numbers refer to the specific model and its performance (e.g., 13900K).
• Suffix Letters: Letters such as K, F, T indicate additional features:
  • K: Overclockable.
  • F: No integrated graphics.
  • T: Lower power consumption.

Example: Intel Core i9-13900K

• i9: Brand (high-performance processor).
• 13: Generation (13th generation).
• 900: Product number (high performance).
• K: Overclockable.

More information can be found on Intel's website.

AMD: More detailed information about AMD processors can be found on their product page.

Here is additional information about AMD Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen 9 processors:

AMD Ryzen 3

• Usage: Basic performance, suitable for light tasks such as browsing the internet, streaming videos, and using office applications.
• Number of Cores: Usually 4 cores.
• Clock Speed: Lower than Ryzen 5, 7, and 9 processors.
• Simultaneous Multithreading (SMT): Available in most models, allowing multiple threads to be executed simultaneously.

AMD Ryzen 5

• Usage: Mid-range performance, suitable for multitasking, light gaming, and content creation.
• Number of Cores: Usually 6 cores.
• Clock Speed: Higher than Ryzen 3 processors, and most models have Precision Boost feature to increase clock speed when needed.
• Simultaneous Multithreading (SMT): Available in all models, enhancing multitasking capabilities.

AMD Ryzen 7

• Usage: High performance needs, suitable for heavy multitasking, gaming, and demanding content creation.
• Number of Cores: Usually 8 cores.
• Clock Speed: Higher than Ryzen 5 processors, and Precision Boost feature is common.
• Simultaneous Multithreading (SMT): Available in all models, allowing multiple threads to be executed simultaneously.

AMD Ryzen 9

• Usage: Top-tier performance, suitable for very demanding tasks such as professional video editing, 3D modeling, and gaming.
• Number of Cores: Usually 12-16 cores.
• Clock Speed: Highest among Ryzen series processors, and Precision Boost feature is standard.
• Simultaneous Multithreading (SMT): Available in all models, maximizing multitasking capabilities.

Summary

• Ryzen 3: For basic use.
• Ryzen 5: Versatile and balanced performance.
• Ryzen 7: For high performance needs.
• Ryzen 9: Top-tier performance for demanding tasks.

AMD Processor Model Numbers (Example)

AMD uses model numbers that typically consist of the following parts:

• Brand: For example, Ryzen.
• Model year: Digits like 7, 8, and 9 refer to 2023, 2024, and 2025, respectively.
• Market segment: The family of the processor, for example 5 and 6 are classified as Ryzen 5.
• Architecture: The microarchitecture of the processor (Zen 3, Zen 4, etc.)
• Feature Isolation: Model variant within the segment (0 is a lower model and 5 is an upper model)
• Suffix Letters: Letters such as X, G indicate additional features or the form factor/TDP:

  • E (9W): Ultra-low power chips used in budget laptops, typically fanless for quiet and cool operation.

  • C (15–28W): Power-efficient processors made specifically for Chromebooks.

  • U (15–28W): Designed for slim and lightweight laptops, balancing performance with long battery life.

  • HS (35W+): High-performance processors with built-in graphics, offering strong performance without using too much power.

  • HX (55W+): AMD’s top-tier mobile processors, built for maximum speed and power—ideal for gaming or demanding tasks.

  • 3D: Stands for 3D V-Cache — a special technology that adds extra cache memory stacked vertically on the CPU. For example HX3D.

Example: AMD Ryzen 5 7540U

Sometimes a lower number might actually mean a better processor, for example:

When choosing a laptop with an AMD processor, don’t rely solely on the Ryzen 3/5/7/9 labels or assume that a higher number always means better performance. 

The third digit in the model number is the most important, as it indicates the CPU architecture generation (e.g., 4 = Zen 4, newer and more efficient). 

Also, pay attention to the suffix: 

• U means low power (longer battery life, lower performance

• HS/HX/H indicates higher performance but increased heat and power usage. 

For example, although Ryzen 7 7735U may seem better than Ryzen 5 7540U, the latter is based on a newer architecture (Zen 4 vs. Zen 3) and actually delivers better performance in many cases.