INTEL

Intel Core 2 Quad Q9550

Intel processor specifications and benchmark scores

4
Cores
4
Threads
GHz Boost
95W
TDP
🖥️Integrated GPU

Intel Core 2 Quad Q9550 Specifications

⚙️

Core 2 Quad Q9550 Core Configuration

Processing cores and threading

The Intel Core 2 Quad Q9550 features 4 physical cores and 4 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
4
Threads
4
SMP CPUs
1
⏱️

2 Quad Q9550 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core 2 Quad Q9550 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core 2 Quad Q9550 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.83 GHz
Boost Clock
N/A
Multiplier
8.5x
💾

Intel's Core 2 Quad Q9550 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the 2 Quad Q9550 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core 2 Quad Q9550's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
12 MB (shared)
🏗️

Core 2 Architecture & Process

Manufacturing and design details

The Intel Core 2 Quad Q9550 is built on Intel's 45 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in 2 Quad Q9550 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Core 2
Codename
Yorkfield
Process Node
45 nm
Foundry
Intel
Transistors
820 million
Die Size
2x 107 mm²
Generation
Core 2 Quad (Yorkfield)
🔢

Core 2 Instruction Set Features

Supported CPU instructions and extensions

The Core 2 Quad Q9550 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
Intel 64
VT-x
🔌

2 Quad Q9550 Power & Thermal

TDP and power specifications

The Intel Core 2 Quad Q9550 has a TDP (Thermal Design Power) of 95W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
95W
🔧

Intel Socket 775 Platform & Socket

Compatibility information

The Core 2 Quad Q9550 uses the Intel Socket 775 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Socket 775
PCIe
Gen 2
Package
FC-LGA6
DDR5

Intel Socket 775 Memory Support

RAM compatibility and speeds

Memory support specifications for the 2 Quad Q9550 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core 2 Quad Q9550 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR1, DDR2, DDR3
Memory Bus
Dual-channel
🖥️

Intel's Core 2 Quad Q9550 Integrated Graphics

Built-in GPU specifications

The Intel Core 2 Quad Q9550 includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the 2 Quad Q9550 provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
On certain motherboards (Chipset feature)
Graphics Model
On certain motherboards (Chipset feature)
📦

Core 2 Quad Q9550 Product Information

Release and pricing details

The Intel Core 2 Quad Q9550 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core 2 Quad Q9550 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Mar 2008
Market
Desktop
Status
End-of-life
Part Number
SLAWQSLB8V

Core 2 Quad Q9550 Benchmark Scores

📊

No benchmark data available for this CPU.

About Intel Core 2 Quad Q9550

The Intel Core 2 Quad Q9550, a quad-core workhorse from the Yorkfield generation, delivers reliable multi-threaded performance for its era. Released in 2008 on a 45nm process, this 2.83 GHz chip with a 95W TDP was a popular choice for enthusiasts and mainstream users seeking a balance of power and efficiency. In real-world use, this processor handles general productivity tasks, light multimedia editing, and older titles competently, though it will struggle with modern, heavily threaded applications and games. Its four physical cores provide a tangible advantage over dual-core contemporaries in scenarios like video transcoding or running multiple applications simultaneously. For a period-appropriate system built around the Socket 775 platform, the Q9550 offers a smooth experience for office suites, web browsing with limited tabs, and legacy gaming. Users should temper expectations for current software, as the architectural age and lack of modern instruction sets become limiting factors. This particular Intel Core 2 Quad chip remains a capable component for maintaining or retro-building a Windows 7 or Linux-based machine from that period.

When evaluating productivity, the Core 2 Quad Q9550's performance is best measured against its contemporaries rather than modern standards. In synthetic benchmarks of its time, it posted strong multi-threaded scores, significantly outpacing dual-core chips in rendering and encoding workloads. Applications like older versions of Photoshop or Handbrake can utilize all four cores effectively, leading to respectable completion times for moderate project sizes. However, the absence of simultaneous multithreading (SMT) means it cannot handle more than four threads concurrently, a limitation compared to later architectures. For day-to-day office work and content consumption, this processor remains adequately responsive when paired with sufficient RAM and a solid-state drive. The Yorkfield processor's 12MB of total L2 cache (6MB per die pair) helped reduce latency and improved performance in memory-sensitive tasks. It stands as a testament to the point where quad-core computing became truly mainstream for desktop users.

The price-to-performance proposition of the Intel Core 2 Quad Q9550 has shifted entirely to the secondary market, where it now represents an ultra-budget option for retro builds or minimal upgrades. Its compatibility is strictly bound to the Socket 775 (LGA775) ecosystem, requiring motherboards with robust power delivery and compatible chipsets like the P45 or X48 for best support. While affordable on the used market, buyers must consider the age and potential failure risk of accompanying motherboards and DDR2 memory. For users with an existing functional LGA775 system, an upgrade to this quad-core chip from a dual-core model can still provide a meaningful performance uplift for specific uses. When assessing value, the entire platform cost must be weighed against entry-level modern systems that offer superior performance, power efficiency, and features. Ultimately, this chip from Intel is now a niche component, most relevant for historical computing projects or extending the life of an aging but serviceable PC where a full platform upgrade is not feasible.

The AMD Equivalent of Core 2 Quad Q9550

Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 1400

AMD • 4 Cores

View Specs Compare

Popular Intel Core 2 Quad Q9550 Comparisons

See how the Core 2 Quad Q9550 stacks up against similar processors from the same generation and competing brands.

Compare Core 2 Quad Q9550 with Other CPUs

Select another CPU to compare specifications and benchmarks side-by-side.

Browse CPUs