Intel

Intel P43000C478 Pentium 4: 3.0GHz Socket 478 CPU

3.3 (12 reviews)

Reliable Performance for Legacy Systems The Intel Pentium 4 is a dependable processor for older desktop systems. With a clock speed of 3.0GHz, an 800MHz bus speed, and 512KB of cache, this Socket 478 CPU delivers adequate performance for basic computing tasks. A cost-effective solution for mainta...

$149.95*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 03, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Reliable Performance for Legacy Systems

The Intel Pentium 4 is a dependable processor for older desktop systems. With a clock speed of 3.0GHz, an 800MHz bus speed, and 512KB of cache, this Socket 478 CPU delivers adequate performance for basic computing tasks. A cost-effective solution for maintaining or upgrading legacy systems.

Specifications:

  • Brand: Intel
  • Processor Type: Pentium 4
  • Clock Speed: 3.0GHz
  • Bus Speed: 800MHz
  • Cache: 512KB
  • Socket Type: Socket 478

Key Features

Intel Pentium 4 3.0 GHz 800 MHz Socket 478 CPU General Features: 3.0 GHz clock speed 478-pin package

800 MHz system bus 512 KB L2 advanced transfer cache

Specifications

Processor Type
Intel Pentium 4
Clock Speed
3.0 GHz
System Bus Speed
800 MHz
Socket Type
Socket 478
L2 Cache
512 KB
Pin Count
478-pin

Similar Products

Other products from the same family that visitors often consider:

Pros & Cons

👍 Pros

  • Offers a 3.0 GHz clock speed, providing solid performance for compatible Socket 478 systems
  • Features an 800 MHz system bus, which enhances data transfer rates between the CPU and other components
  • Equipped with a 512 KB L2 advanced transfer cache, aiding in faster data access for improved responsiveness
  • Designed as a 478-pin package, ensuring compatibility with specific motherboards that support this socket type
  • An original Intel Pentium 4 processor, maintaining authenticity for vintage or specific system builds

👎 Cons

  • This CPU uses the Socket 478 platform, which is an older technology and limits compatibility to legacy motherboards
  • The 3.0 GHz clock speed and architecture are significantly slower than modern processors for current applications
  • The 512 KB L2 cache is very small compared to contemporary CPUs, potentially bottlenecking performance in demanding tasks
  • Finding compatible motherboards, RAM, and other components for a Socket 478 system can be challenging
  • Energy efficiency is likely lower than modern CPUs, potentially leading to higher power consumption and heat output

Frequently Asked Questions

This Intel Pentium 4 CPU requires a motherboard with a Socket 478 for proper installation and compatibility.
No, the Intel Pentium 4 3.0GHz is an older generation processor and is not suitable for modern gaming, video editing, or other demanding applications that require significant processing power. It is best suited for older systems or basic tasks.
An 800 MHz system bus allows for faster communication between the CPU and the rest of the computer's components, such as memory and peripherals, which can lead to a more responsive system.
The provided features do not mention overclocking capabilities. While some older CPUs could be overclocked, it's generally not recommended without proper cooling and specific motherboard support.
The 512 KB L2 advanced transfer cache helps the CPU access frequently used data faster than retrieving it from main memory, which contributes to improved performance in tasks that benefit from quick data retrieval.