INTEL

Intel Core 2 Extreme QX9300

Intel processor specifications and benchmark scores

4
Cores
4
Threads
GHz Boost
45W
TDP
🔓Unlocked 🖥️Integrated GPU

Intel Core 2 Extreme QX9300 Specifications

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Core 2 Extreme QX9300 Core Configuration

Processing cores and threading

The Intel Core 2 Extreme QX9300 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
2
⏱️

2 Extreme QX9300 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core 2 Extreme QX9300 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 Extreme QX9300 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.53 GHz
Boost Clock
N/A
Multiplier
9.5x 🔓
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Intel's Core 2 Extreme QX9300 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the 2 Extreme QX9300 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 Extreme QX9300's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB
L2 Cache
6 MB (per die)
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Core 2 Architecture & Process

Manufacturing and design details

The Intel Core 2 Extreme QX9300 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 Extreme QX9300 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Core 2
Codename
Penryn QC XE
Process Node
45 nm
Foundry
Intel
Die Size
2x 107 mm²
Generation
Core 2 Extreme (Penryn QC XE)
🔢

Core 2 Instruction Set Features

Supported CPU instructions and extensions

The Core 2 Extreme QX9300 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 Extreme QX9300 Power & Thermal

TDP and power specifications

The Intel Core 2 Extreme QX9300 has a TDP (Thermal Design Power) of 45W, 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
45W
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Intel Socket P Platform & Socket

Compatibility information

The Core 2 Extreme QX9300 uses the Intel Socket P 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 P
Package
FC-PGA
DDR5

Intel Socket P Memory Support

RAM compatibility and speeds

Memory support specifications for the 2 Extreme QX9300 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 Extreme QX9300 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.

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Intel's Core 2 Extreme QX9300 Integrated Graphics

Built-in GPU specifications

The Intel Core 2 Extreme QX9300 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 Extreme QX9300 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 Extreme QX9300 Product Information

Release and pricing details

The Intel Core 2 Extreme QX9300 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 Extreme QX9300 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Aug 2008
Market
Mobile
Status
End-of-life
Part Number
SLB5J

Core 2 Extreme QX9300 Benchmark Scores

📊

No benchmark data available for this CPU.

The AMD Equivalent of Core 2 Extreme QX9300

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

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