Best Intel Core 2 Quad CPU Processors of 2025

The Intel Core 2 Quad Q9400 is a powerful quad-core processor that offers premium quality at an outstanding saving. It has a clock speed of 2.66GHz and a Socket T LGA-775-6 MB, 1333 MHz Bus Speed. It is a 45 nm processor with a 95 W power rating. Customers have praised its performance and workmanship, and are completely satisfied with the item.

The Intel Core 2 Quad Processor Q9550 is a powerful CPU with a clock speed of 2.8GHz and 12MB L2 cache. With four computing cores, it provides multitasking users with efficient and high-performance processing for demanding applications, including video transfers, image rendering, data compression, and intense gaming. The processor features Intel's revolutionary new 45nm architecture, which ensures faster and more responsive multimedia experiences. The Front Side Bus speeds of up to 1333 MHz and shared L2 cache of up to 12 MB make it possible for the latest and most advanced software applications to open and run faster than ever before with superior responsiveness.

The Intel Core 2 Quad Q9400 Processor is a powerful and energy efficient processor with four cores running at 2.66 GHz and a 1333 MHz front side bus. It has 6 MB of L2 cache and 45nm architecture for better performance and energy efficiency. It also features multimedia acceleration and intelligent power capability for better energy efficiency.

The Intel Core 2 Quad is a powerful processor that operates at a clock speed of 2.66 GHz, making it ideal for multitasking and running demanding applications smoothly. With an 8M L2 cache, it allows for faster data access, enhancing overall system performance. This quad-core design means you can efficiently handle multiple tasks at once, improving your productivity. The 1066MHz front-side bus ensures quick communication between the processor and other components, providing a responsive computing experience. Whether you’re gaming or working on intensive projects, this processor can meet your needs effectively.

The Intel Core 2 Quad Q6600 2.4GHz 1066MHz 8MB Quad-Core CPU is a great choice for those looking to upgrade from a Core 2 Duo. It offers a massive 8MB L2 cache, 4 cores, and a 1066 MHz FSB. Customers have praised its performance, noting that it has improved their Windows Experience Index from 5.8 to 7.1. It is also a great value, with vendors now selling it for around $120.

The Intel Core 2 Quad Q9450 is a powerful processor with a clock speed of 2.66GHz, 8 bus/core ratio, and 12MB of L2 cache. It is compatible with LGA 775 sockets and is suitable for gaming and other high-performance tasks. Customers have praised its performance, noting that it is a great upgrade for the price and works flawlessly. However, some have noted that it can only be overclocked to 2.76GHz, and that it may not recognize all 12MB of its L2 cache.

The Intel Q6600 Quad-Core Processor is a powerful CPU processor from Intel. With its wide dynamic and quad-core processor, it offers excellent performance for multitasking and running demanding applications. The Intel smart memory access optimizes data transfer between the processor and memory, resulting in faster and more efficient performance. The advanced smart cache technology improves data access and reduces latency for quicker response times. Additionally, the advanced digital media boost enhances multimedia applications, providing smoother playback and faster video encoding. With the Intel Q6600 Quad-Core Processor, you can enjoy seamless multitasking, improved data access, and enhanced multimedia performance.

This renewed Intel Core 2 Quad Q8400 Desktop CPU Processor has 4 cores and a frequency of 2.667 GHz. It is compatible with LGA775 sockets and is a great option for upgrading an older system.

The Intel Core 2 Quad Q8400 Processor is a powerful CPU designed for high-performance computing. With a clock speed of 2.66 GHz and a front side bus speed of 1333 MHz, this processor delivers fast and efficient performance. The 4 MB cache ensures quick data access, allowing for smooth multitasking and seamless execution of demanding applications. The Socket LGA775 compatibility makes it easy to install and upgrade in compatible systems. With a thermal power of 95W, this processor remains cool even under heavy workload. Whether you're a gamer, a content creator, or a professional, the Intel Core 2 Quad Q8400 Processor provides the processing power you need to tackle any task with ease.

The Intel Core 2 Quad Q9650 Processor is a powerful 3.0 GHz 12 MB Cache Socket LGA775 processor with 1333MHz Front Side Bus. It comes with a Heatsink and Fan, and is compatible with LGA 775 Socket. Customers have praised its performance and speed, with some noting that it has cut their rip time in half. However, some have noted that it was not boxed as stated, and that the heatsink paste was not included in a tube.