Intel Core Duo LV L2500

The Intel Core Duo LV L2500 is a 65 nm mobile processor from the Yonah generation, built for the Intel Socket 479 platform. It packs 2 cores and 2 threads, running at a base clock of 1833.00 MHz, with a 15 W TDP that positions it as a low-voltage part for thin-and-light laptops of its era. With a 50th percentile ranking among all CPUs, it sits exactly at the median of the benchmark database, meaning it is neither a standout performer nor a laggard—it is a balanced, if dated, option for specific legacy workloads.

Who Should Consider It

The L2500 is a niche part today, but its data profile makes it suitable for a few distinct use cases. First, anyone maintaining or refurbishing a vintage Socket 479 notebook from the mid-2000s will find this CPU a natural fit, as it drops into the same platform without modification. Its 2 cores and 2 threads mean it can handle basic office productivity—word processing, spreadsheet work, and light web browsing—where single-threaded responsiveness matters more than parallel throughput. The 1833.00 MHz base clock, while modest by modern standards, is adequate for such tasks, and the 50th percentile ranking confirms it performs at the median of all CPUs in the database, so it will not embarrass itself in everyday use.

For gaming, this is not a recommendation. The L2500 lacks any integrated graphics of its own, relying on "On certain motherboards (Chipset feature)" for display output, and its dual-core, dual-thread configuration is far below what modern game engines expect. The data shows no benchmark scores, but the architecture and clock speed suggest it would struggle with anything beyond 2D or very early 3D titles. Content creation is similarly off the table—video encoding, 3D rendering, and photo batch processing require more cores and higher clocks, neither of which this chip offers. However, for embedded or industrial systems that still use the Socket 479 form factor, the L2500’s 15 W TDP makes it a low-heat, reliable choice for control applications or point-of-sale terminals where performance is secondary to stability.

How It Compares

The FACT PACK lists no nearest rivals for the L2500, so direct numerical comparisons against specific competitor CPUs are not available from the data. That said, its 50th percentile ranking provides context: the L2500 is exactly average when measured against the entire benchmark database. This means it outperforms roughly half of all recorded CPUs and underperforms the other half, which is a reasonable outcome for a low-voltage mobile chip from 2006. In the absence of rival scores, one can infer that newer or higher-TDP parts from the same era would likely exceed it in multi-threaded workloads, while similarly power-constrained chips might match it in single-threaded tasks. The lack of a boost clock further suggests it cannot dynamically raise its frequency, so it will not close gaps under burst workloads—a disadvantage compared to any rival that does support turbo behavior.

Without rival data, the practical takeaway is that the L2500 should not be purchased for competitive performance. Its value lies in compatibility and power efficiency, not in beating other processors. If a user already has a Socket 479 board, this chip is a drop-in option, but those seeking more compute should look elsewhere—the percentile ranking makes clear that half the CPUs in the database are faster.

Power and Thermals

The L2500 carries a 15 W TDP, which classifies it as a low-power mobile processor. This figure is notably low for a dual-core part from the Yonah generation, reflecting Intel’s design goal for thin-and-light laptops where battery life and cooling are paramount. The 65 nm process node, with 151 million transistors on a 90 mm² die, contributes to this efficiency—the smaller die and older lithography still manage to keep power draw modest. For cooling, a simple passive heatsink or a small, low-speed fan is sufficient; the data implies no exotic thermal solution is required. In practice, this means the L2500 can operate in fanless designs or in chassis with minimal airflow, which is a significant advantage for silent or compact systems.

The 15 W TDP also affects sustained performance. Without a boost clock, the chip runs at a constant 1833.00 MHz, so thermal throttling is unlikely unless the cooling solution is grossly inadequate. For builders repurposing this chip, a stock Intel cooler from the Socket 479 era or any compatible low-profile cooler will handle the heat output. The lack of an unlocked multiplier means overclocking is not an option, so thermals are a non-issue—the chip will run at its rated speed indefinitely as long as basic airflow exists. The data does not include a launch MSRP, so no pricing information is available, but the low TDP should translate to lower electricity costs over the long term for always-on systems.

FAQ

Q: Does the L2500 have integrated graphics?

A: The FACT PACK states integrated graphics are "On certain motherboards (Chipset feature)," meaning the CPU itself does not contain a GPU, but some motherboards for this socket may provide display output via the chipset.

Q: What is the production status of this processor?

A: The L2500 is marked as "End-of-life," so it is no longer manufactured and is only available through used or surplus channels.

Q: How many cores and threads does it support?

A: It has 2 cores and 2 threads, which means it can handle two concurrent tasks but does not support simultaneous multithreading.

Q: What memory type does it support?

A: The processor supports DDR1 memory, which is an older standard, and it does not support ECC memory.

Q: Can this chip be overclocked?

A: No, the multiplier is locked, so the base clock of 1833.00 MHz is the maximum speed; there is no boost clock to increase frequency under load.

Q: What is the socket compatibility?

A: It uses Intel Socket 479, which is a specific mobile socket, so it will only fit motherboards designed for that interface.

Single-Thread vs Multi-Thread Behavior

The L2500 has 2 cores and 2 threads, which is a 1:1 ratio—no hyper-threading is present. This means the chip can execute exactly two threads simultaneously, and each thread gets a full core. The base clock of 1833.00 MHz is the same for both cores, and there is no boost clock, so performance is perfectly uniform across all workloads. In single-threaded tasks, the L2500 relies entirely on its core architecture and clock speed; the 50th percentile ranking suggests it performs at the median of all CPUs, which is acceptable for legacy software that runs on one thread, such as older office suites or single-threaded emulators.

For multi-threaded workloads, the dual-core design allows parallel execution of two threads, but the lack of additional threads (no hyper-threading) and the relatively low clock speed mean scaling is limited. A dual-threaded application would see roughly a 2x improvement over single-threaded performance, but any workload requiring more than two threads will not benefit—the OS will time-slice, leading to context-switching overhead. In practice, this split favors single-threaded responsiveness over multi-threaded throughput. The 2 MB L2 cache is shared between cores, which helps reduce latency for frequently accessed data, but the 64 KB L1 cache is small by modern standards. The data shows no benchmark scores, so exact scaling percentages are unavailable, but the architectural limits are clear: this chip is best for tasks that use one or two threads, not for heavily parallel computation.

Platform and Compatibility

The L2500 fits exclusively on Intel Socket 479, a mobile socket that was common in laptops and small-form-factor systems from the mid-2000s. It uses the Core architecture with the Yonah codename, which is a 65 nm design. Memory support is limited to DDR1, with no memory bus speed or bandwidth figures provided in the data—this suggests the chip’s memory controller is tied to the motherboard’s chipset rather than integrated into the CPU. ECC memory is not supported, which rules out error-correcting memory for reliability-critical applications. The processor has no PCIe support listed, meaning expansion is handled by the chipset, and it does not have an integrated GPU; display output relies on the motherboard’s chipset features.

The production status is "End-of-life," and the release date was 2006-09-02, so this is a legacy platform. The part number is SL9JU, which can help identify the exact stepping and compatibility. Because the multiplier is locked, there is no overclocking headroom, and the 15 W TDP makes it suitable for systems with limited cooling. Upgrade paths are constrained by the socket—users must find another Socket 479 CPU, and since the L2500 is already a low-voltage part, the only meaningful upgrades would be higher-TDP Yonah chips, but those would require better cooling. The lack of PCIe data and DDR1 support means modern peripherals and memory are not compatible, so this platform is best used as-is for legacy purposes rather than as a foundation for a new build. The 2 MB L2 cache is shared, and the die size of 90 mm² with 151 million transistors gives a sense of the physical scale, but none of these numbers change the practical reality: this is a fixed-function, end-of-life processor for a specific vintage socket.