Intel Xeon 2.66
Intel processor specifications and benchmark scores
Intel Xeon 2.66 Specifications
Xeon 2.66 Core Configuration
Processing cores and threading
The Intel Xeon 2.66 features 1 physical cores and 1 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.
2.66 Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Xeon 2.66 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 Xeon 2.66 by Intel can dynamically adjust its frequency based on workload and thermal headroom.
Intel's Xeon 2.66 Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the 2.66 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 Xeon 2.66's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
NetBurst Architecture & Process
Manufacturing and design details
The Intel Xeon 2.66 is built on Intel's 130 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 2.66 incorporate advanced branch prediction and out-of-order execution for optimal performance.
NetBurst Instruction Set Features
Supported CPU instructions and extensions
The Xeon 2.66 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.
2.66 Power & Thermal
TDP and power specifications
The Intel Xeon 2.66 has a TDP (Thermal Design Power) of 89W, 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.
Intel Socket 604 Platform & Socket
Compatibility information
The Xeon 2.66 uses the Intel Socket 604 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.
Intel Socket 604 Memory Support
RAM compatibility and speeds
Memory support specifications for the 2.66 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 Xeon 2.66 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.
Xeon 2.66 Product Information
Release and pricing details
The Intel Xeon 2.66 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 Xeon 2.66 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.
Xeon 2.66 Benchmark Scores
No benchmark data available for this CPU.
About Intel Xeon 2.66
The Intel Xeon 2.66, launched in late 2002, is a single‑core, single‑thread processor built on a 130 nm process. With a base clock of 2.66 GHz and an 89 W TDP, it delivers modest performance by today’s standards but still holds up for legacy server workloads. Its architecture, known as Prestonia, targets entry‑level rack servers that need stability over raw speed. Because it offers only one execution thread, multitasking heavy modern applications will quickly saturate the chip. However, tasks that rely on predictable single‑thread throughput, such as basic database queries or file serving, run without surprising bottlenecks. The socket 604 form factor also means the CPU can be swapped into many older chassis still floating around second‑hand markets.
In productivity tests the Xeon 2.66 typically scores around the middle of the early‑2000s server line, lagging behind dual‑core rivals but outpacing many contemporaneous Pentium 4 models. Spreadsheet calculations and compilation jobs that are not heavily parallelized tend to finish in acceptable timeframes, thanks to the processor’s respectable clock speed. Since no official benchmark data exists for this exact SKU, real‑world measurements from community builds serve as the best reference point. When you factor in the historically low resale price often under $30 on the secondary market the price‑to‑performance ratio becomes surprisingly attractive for hobbyist clusters. Intel’s Xeon 2.66 shines in scenarios where power consumption is a secondary concern, as its 89 W draw is manageable in small server racks. The trade‑off is clear: you gain affordability and legacy compatibility at the expense of modern multitasking horsepower.
- Fits Intel Socket 604 motherboards, common in early‑2000s servers.
- Supported by BIOS versions up to 2004; newer firmware may require manual updates.
- Compatible with DDR‑333 memory; cannot use DDR2 or later modules.
- Works with 64‑bit operating systems, but limited to single‑core scheduling.
- Requires a compatible chipset such as Intel 5000P or 5000V for optimal stability.
- Not suitable for GPU‑intensive workloads due to limited PCI‑Express bandwidth.
When integrating the Intel Xeon 2.66 into a modern build, you’ll need to verify that the motherboard’s BIOS still recognizes the processor ID. This Xeon 2.66 chip expects 130 nm power delivery, so using a contemporary power supply without proper voltage regulation can cause instability. Although the 2.66 GHz Xeon can run any 32‑bit or 64‑bit OS from Windows 2000 onward, drivers for newer peripherals may be missing, limiting peripheral choices. Its single‑socket design simplifies cooling, yet the 89 W TDP often necessitates a dedicated heatsink and fan rather than relying on passive solutions. For developers building a low‑cost test cluster, the processor’s legacy support for ECC RAM ensures data integrity without extra expense. In short, the Intel Xeon 2.66 remains a niche option that delivers predictable performance for specific legacy workloads, provided you respect its age‑related compatibility constraints.
The AMD Equivalent of Xeon 2.66
Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.
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