Intel

Intel BX80580Q8400 Core 2 Quad Q8400 2.66GHz Processor

Name: Intel BX80580Q8400 Core 2 Quad Q8400 2.66GHz Processor
Brand: Intel
SKU: BX80580Q8400
Rating: 4.1 (92 reviews)

★★★★★4.1 (92 reviews)

95W

Quad-Core Performance for Enhanced Productivity The Intel Core 2 Quad Q8400 Processor delivers robust quad-core performance, perfect for multitasking, multimedia applications, and gaming. Experience improved speed and responsiveness for all your computing needs. Specifications: Frequency:...

$4.99*

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*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.

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Overview

Quad-Core Performance for Enhanced Productivity

The Intel Core 2 Quad Q8400 Processor delivers robust quad-core performance, perfect for multitasking, multimedia applications, and gaming. Experience improved speed and responsiveness for all your computing needs.

Specifications:

Frequency: 2.66 GHz
Cache: 4 MB L2 Cache
Front Side Bus: 1333 MHz
Socket Type: LGA775
Architecture: 45nm

Key Features

Model Name - Core 2 Quad

Socket Type - Socket 775

Front Side Bus Speed - 1333 MHz

Clock Speed - 2.66 GHz

Thermal - 95W

Specifications

Model Name

Core 2 Quad Q8400

Socket Type

Socket 775

Front Side Bus Speed

1333 MHz

Clock Speed

2.66 GHz

Thermal Design Power (TDP)

95W

Cores

Frequently Asked Questions

What is the clock speed of the Intel Core 2 Quad Q8400 processor?

The Intel Core 2 Quad Q8400 processor operates at a clock speed of 2.66 GHz.

What socket type does this processor require?

This processor is designed for motherboards with a Socket 775.

How many cores does the Intel Core 2 Quad Q8400 have?

The Intel Core 2 Quad Q8400 is a quad-core processor, meaning it has 4 cores.

What is the Front Side Bus Speed of this CPU?

The Front Side Bus Speed for this processor is 1333 MHz, facilitating communication within the system.

What is the Thermal Design Power (TDP) of this processor?

The Intel Core 2 Quad Q8400 has a Thermal Design Power (TDP) of 95W.

Is this processor compatible with modern motherboards?

No, Socket 775 is an older standard, so this processor is not compatible with contemporary motherboard designs.

Does this processor include integrated graphics?

The product features do not indicate that the Intel Core 2 Quad Q8400 processor includes integrated graphics.

What Buyers Say

4.1 ★★★★★92 Amazon ratings

👍 Pros

Features four cores, enabling efficient multitasking and handling of multiple applications simultaneously.
Operates at a clock speed of 2.66 GHz, providing solid performance for a range of computing tasks.
Boasts a Front Side Bus Speed of 1333 MHz, which facilitates faster communication between the CPU and other components.
The Core 2 Quad Q8400 model is part of Intel's known and established Core 2 series.
Compatible with Socket 775 motherboards, offering an upgrade path for systems with this older socket type.
Provides a Thermal Design Power (TDP) of 95W, indicating its power consumption characteristics.

👎 Cons

The Socket 775 type indicates an older generation processor, meaning it is not compatible with modern motherboards.
The 95W Thermal Design Power (TDP) might be considered high compared to newer, more power-efficient processors.
As an older model, it lacks advanced features found in newer CPU architectures, such as integrated graphics or AVX instructions.
The 2.66 GHz clock speed, while decent, may be a bottleneck for very demanding modern applications or games.
Only provides basic specifications, without details on cache sizes beyond the core structure, which is important for performance.
Finding compatible new components (motherboards, RAM) for a Socket 775 CPU can be challenging and expensive.

Intel BX80580Q8400 Core 2 Quad Q8400 2.66GHz Processor

Overview

Quad-Core Performance for Enhanced Productivity

Specifications:

Key Features

Specifications

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Frequently Asked Questions

Intel BX80580Q8400 Core 2 Quad Q8400 2.66GHz Processor

Overview

Quad-Core Performance for Enhanced Productivity

Specifications:

Key Features

Specifications

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