Intel Xeon L7445

The Intel Xeon L7445 is a server and workstation processor from Intel’s Core 2 architecture family, built on the Dunnington codename and fabricated on a 45 nm process. It ships with 4 cores and 4 threads, a base clock of 2.13 GHz, and a 50 W TDP, placing it in the lower-power segment of the Xeon MP lineup. The processor’s average benchmark score is 0, and its percentile rank among all CPUs is 50, indicating a middle-of-the-road position in the broader performance distribution, though its specific workload characteristics are defined more by its cache hierarchy and platform support than by raw multi-core throughput.

Who Should Consider It

The L7445 is aimed squarely at legacy server and workstation environments where stability and low power draw matter more than peak performance. With 4 cores and 4 threads, the data shows this chip is not suited for heavily threaded modern creation workloads such as video rendering or 3D simulation, where rival processors with more cores would dominate. Instead, its 50th percentile standing suggests it fits a narrow band of use cases—think single-threaded database queries, light virtualization, or dedicated appliance roles where the 2.13 GHz base clock is sufficient.

For office productivity, the L7445 is adequate for basic tasks like document editing, spreadsheet manipulation, and email, but its 4-thread limit means multitasking across many applications will quickly saturate resources. The 12 MB of shared L3 cache helps with data reuse in enterprise software, but the lack of a boost clock means there is no headroom for transient performance spikes. Gaming is not a realistic recommendation; the integrated graphics are listed as a chipset feature on certain motherboards, but the processor’s server heritage and modest clock speed would bottleneck even older titles. In contrast, for a dedicated file server or a network appliance running a single purpose-built application, the 50 W TDP and quad-channel memory support (21.3 GB/s bandwidth) make it a viable, if dated, choice.

The 1,900 million transistors and 503 mm² die size hint at a complex chip for its era, but the benchmark data indicates that complexity did not translate into competitive speed. Users who already own a Socket 604 motherboard might consider the L7445 as a drop-in replacement for a failed CPU, provided their workload is single-threaded and latency-sensitive. However, for any new deployment, the end-of-life production status and lack of modern features like PCIe support (not listed) make it a poor candidate.

How It Compares

The FACT PACK lists no nearest rivals for the L7445, meaning there are no direct comparison scores or deltaPct values to reference. The absence of rival data in the benchmark results implies that the processor’s performance niche is so isolated—or its market segment so specialized—that standard comparison points do not apply. In the absence of rival scores, the only quantitative anchor is its 50th percentile rank among all CPUs, which indicates that half of all processors in the database score higher and half score lower. That median position suggests the L7445 is neither a performance outlier nor a bottom-tier chip, but rather a midpoint that reflects its 4-core, 4-thread configuration.

Without rival names or deltaPct values, any comparative analysis must rely on the internal characteristics: the 2.13 GHz base clock is modest, and the 12 MB L3 cache is substantial for a 4-core part, which could give it an edge in cache-sensitive single-threaded workloads against other older Xeon processors. But with no benchmark scores for those rivals, the data cannot confirm such an advantage. The 50 W TDP is notably low for a server Xeon, which might position it favorably against higher-power counterparts in thermal-constrained chassis, but again, no rival TDP figures are available for direct comparison. In summary, the L7445 stands alone in the provided data, and its performance narrative is defined more by its own specs than by any measurable competition.

Platform and Compatibility

The L7445 uses the Intel Socket 604 interface, which is a legacy socket associated with older Xeon MP platforms. Memory support includes both DDR2 and DDR3, with a quad-channel memory bus that provides a theoretical bandwidth of 21.3 GB/s. ECC memory is supported, which is standard for server and workstation processors, ensuring data integrity in mission-critical environments. The processor does not list any PCIe support in the FACT PACK, which suggests that the platform relies on the motherboard’s chipset for expansion, or that PCIe lanes are not a documented feature of this CPU.

The integrated graphics are described as "On certain motherboards (Chipset feature)," meaning the L7445 itself does not contain a GPU, but some motherboards in the Socket 604 ecosystem may include a chipset with integrated display output. This is not a processor-level capability and should not be mistaken for a modern iGPU. The architecture is Core 2, and the codename Dunnington indicates this is part of the Xeon MP generation, specifically targeting multi-socket servers. Upgrade path is constrained by the end-of-life production status and the socket’s age—users are limited to other Socket 604 Xeon processors, and the L7445’s 4-core design means any upgrade would require replacing the motherboard and possibly memory to move to a newer platform.

The 45 nm process node and Intel as the foundry are the only manufacturing details, with the die size at 503 mm² and transistor count at 1,900 million. The L7445 is not multiplier-unlocked, so overclocking is not an option. The release date is September 14, 2008, and the part number is SLG9L. The launch MSRP is $1980, which is a one-time mention and not a reflection of current market value, given the end-of-life status.

FAQ

Q: Does the Intel Xeon L7445 support ECC memory?

A: Yes, ECC memory is supported, which is a critical feature for server and workstation reliability.

Q: What is the socket type for the L7445?

A: The processor uses Intel Socket 604.

Q: How much L3 cache does the L7445 have?

A: The L7445 has 12 MB of shared L3 cache, along with 3 MB of L2 cache per module and 64 KB of L1 cache per core.

Q: Is the L7445 suitable for modern gaming?

A: No, the 4 cores and 4 threads, combined with the lack of a boost clock and integrated graphics only being a chipset feature, make it unsuitable for gaming.

Q: What is the TDP of the L7445?

A: The TDP is 50 W, which is low for a server Xeon and implies modest cooling requirements.

Q: What memory types does the L7445 support?

A: It supports both DDR2 and DDR3 memory, with a quad-channel bus and 21.3 GB/s of bandwidth.

Power and Thermals

The L7445 is rated at a TDP of 50 W, which is remarkably low for a server-class Xeon processor, especially one with a 503 mm² die size and 1,900 million transistors. This low power envelope means that a capable air cooler designed for a 50 W class chip is sufficient—no exotic liquid cooling or high-end tower cooler is necessary. The 45 nm process node from Intel contributes to this efficiency, as does the modest 2.13 GHz base clock. The absence of a boost clock further ensures that power draw remains steady under load, with no sudden spikes from turbo behavior.

For system builders, the 50 W TDP opens the door to compact or passive cooling solutions in rack-mounted servers where thermal density is a concern. The quad-channel memory controller and 21.3 GB/s bandwidth do add some strain to the memory subsystem, but the overall thermal load is low enough that the limiting factor is likely the motherboard’s voltage regulation rather than the CPU cooler. The end-of-life status means that replacement thermal paste and heatsinks are still readily available for Socket 604 platforms, but the low TDP means that even a stock Intel cooler from that era would suffice. In summary, the data indicates that the L7445 is a low-power part that runs cool, making it a practical choice for thermally constrained environments, provided the workload fits its 4-core/4-thread limits.