Intel

Intel 71Y6354 Core2 QUAD Q9505 2.83Ghz CPU

4.8 (6 reviews)

Bring quad-core multitasking to LGA775 desktops with the Intel Core2 Quad Q9505 running at 2.83 GHz.

$49.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Intel Core2 Quad Q9505 is a quad-core desktop processor designed for the LGA775 platform, running at a base clock speed of 2.83 GHz with a 1333 MHz front-side bus. With 6MB of shared L2 cache and four processing cores, it delivers solid multitasking performance for web browsing, office productivity, media playback, and light content creation. For users still running LGA775-based desktops, the Q9505 represents one of the most capable drop-in upgrades available, offering a significant performance boost over the dual-core and early quad-core processors that shipped with many systems of that era.

As a legacy component, the Q9505 is best suited for users who want to extend the useful life of an existing desktop without the cost of replacing the motherboard, RAM, and other components that a modern platform would require. It handles day-to-day tasks competently, though it will struggle with demanding modern software, video editing, or current gaming titles. Buyers should confirm their motherboard's BIOS supports the 45nm quad-core stepping before purchasing, as not all LGA775 boards are compatible out of the box.

Key Features

Intel Core 2 Quad Q9505 Desktop CPU Processor

Model: SLGYY

Socket: LGA775

Cores: 4

Frequency: 2.833 GHz

Specifications

Brand
Intel
Model
Core2 Quad Q9505 SLGYY
Socket
LGA775
Cores
4
Clock Speed
2.83 GHz
L2 Cache
6MB
Front-Side Bus
1333 MHz

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Pros & Cons

👍 Pros

  • Four cores at 2.83 GHz provide meaningful multitasking capability for legacy LGA775 systems
  • 6MB L2 cache helps reduce memory latency for frequently accessed data
  • 1333 MHz FSB matches the highest tier supported on most LGA775 boards
  • Cost-effective upgrade path for extending the life of older desktop systems

👎 Cons

  • LGA775 socket is a discontinued platform with no future upgrade path beyond this generation
  • 2.83 GHz clock speed and lack of hyper-threading limit performance in modern workloads
  • No integrated graphics, so a dedicated GPU is required
  • 45nm manufacturing process draws more power and produces more heat than current processors

Frequently Asked Questions

The Q9505 uses the LGA775 socket. It requires a compatible motherboard with BIOS support for 45nm quad-core processors.
The Q9505 is essentially the same as the Q9500 in clock speed and core count but uses a different stepping revision (SLGYY), which may offer minor improvements in power efficiency or thermal behavior.
Yes, it can replace older dual-core or single-core LGA775 processors, provided the motherboard BIOS supports the 45nm quad-core family and the board's power delivery is adequate.
Yes, it supports Intel 64 (EM64T), so it can run 64-bit versions of Windows and Linux.