Intel Xeon L5530
Intel processor specifications and benchmark scores
ECC MemoryAt a Glance
IntelIntel Xeon L5530 Specifications
Xeon L5530 Core Configuration
Processing cores and threading
The Intel Xeon L5530 features 4 physical cores and 8 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.
L5530 Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Xeon L5530 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 L5530 by Intel can dynamically adjust its frequency based on workload and thermal headroom.
Intel's Xeon L5530 Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the L5530 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 L5530's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Nehalem Architecture & Process
Manufacturing and design details
The Intel Xeon L5530 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 L5530 incorporate advanced branch prediction and out-of-order execution for optimal performance.
Nehalem Instruction Set Features
Supported CPU instructions and extensions
The Xeon L5530 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.
Power & Thermal
TDP and power specifications
The Intel Xeon L5530 has a TDP (Thermal Design Power) of 60W, 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 1366 Platform & Socket
Compatibility information
The Xeon L5530 uses the Intel Socket 1366 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 1366 Memory Support
RAM compatibility and speeds
Memory support specifications for the L5530 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 L5530 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.
Product Information
Release and pricing details
The Intel Xeon L5530 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 L5530 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.
About Intel Xeon L5530
The Intel Xeon L5530 is a 4-core, 8-thread server processor from the Nehalem generation, codenamed Gainestown. It runs at a 2.40 GHz base clock with a 2.67 GHz boost, fits the Intel Socket 1366, and carries a 60 W TDP. Released in August 2009 on a 45 nm process with 731 million transistors and a 263 mm² die, it supports triple-channel DDR3 with ECC and PCIe Gen 2. Its benchmark results place it in the 19th percentile of all CPUs, with an average benchmark score of 737.
Benchmark Performance
The Cinebench results show a processor that is firmly in the lower tier of modern performance. In Cinebench R23, the L5530 scores 2143 in multi-core and 302 in single-core. The older R20 test yields 900 multi-core and 126 single-core, while R15 multi-core produces 216. These raw scores are modest, but the comparison to its nearest rivals reveals an extremely tight cluster. Against the AMD Athlon X4 750K, which averages 736, the L5530 leads by 0.1%. Against the AMD A8 PRO-7600B (735), it is 0.3% ahead. However, it trails the Intel Xeon E5520 and the AMD Phenom II X4 B97, both averaging 741, by 0.5% each.
The 19th percentile ranking underscores that the L5530 sits below the vast majority of processors available today. This is consistent with its 2009 release and 45 nm process. The multi-core scores are respectable for a 4C/8T part, but the single-core numbers are low enough to drag the overall average down. The average benchmark score of 737 places it in a band where a few points separate it from its direct competitors. In practical terms, the L5530 offers performance that is essentially indistinguishable from the Athlon X4 750K and A8 PRO-7600B in mixed workloads, while being slightly behind the Xeon E5520 and Phenom II X4 B97. These deltas are so small that they would be imperceptible in real-world use, meaning the decision between these CPUs should hinge on platform features rather than raw compute.
Single-Thread vs Multi-Thread Behavior
The gap between multi-core and single-core scores is substantial. In R20, the multi-core score of 900 is far higher than the single-core score of 126. Similarly, in R23, the multi-core score of 2143 dwarfs the single-core score of 302. This pattern indicates that the L5530 scales well with additional threads. The processor has 4 physical cores and 8 threads via hyper-threading, and the benchmark results suggest that parallel workloads can utilize most of that capacity. The multi-core advantage is real, but it is confined to applications that can spread work across multiple threads.
The absolute single-core scores are low, which means that any workload that depends on single-thread performance will be constrained. Legacy software, many games, and lightly threaded applications will see limited responsiveness. The multi-thread scaling, while impressive relative to the single-core baseline, does not overcome the fact that each core is slow by modern standards. For server workloads like batch rendering, database queries, or virtualized instances, the scaling can be beneficial, but the low per-core throughput remains a bottleneck. The data shows a processor that is clearly optimized for throughput in parallel tasks, not for snappy single-threaded interaction.
How It Compares
AMD Athlon X4 750K: The L5530 leads this desktop quad-core by 0.1% in average benchmark score (737 vs 736). The difference is negligible; both are effectively tied. The Xeon's extra threads (8 vs 4) do not yield a significant advantage in the aggregated benchmark, likely because many tests are single-threaded or lightly threaded.
AMD A8 PRO-7600B: A 0.3% lead (737 vs 735) is similarly trivial. The A8 is an APU with integrated graphics, but the CPU portion is comparable. The L5530's ECC memory support and server platform are its differentiators, not raw compute.
Intel Xeon E5520: The L5530 trails this sibling by 0.5% (737 vs 741). Both are Nehalem-based, but the E5520 holds a slight edge in the average benchmark. The difference is small, but it shows that within the same architecture, even a small clock or cache variation can shift the balance.
AMD Phenom II X4 B97: Another 0.5% deficit (737 vs 741). The Phenom II is a native quad-core without SMT, yet it matches or slightly beats the L5530 in the average benchmark. This demonstrates that the L5530's hyper-threading does not overcome the Phenom's higher per-core efficiency in the tests used.
FAQ
Q: What is the L5530's socket and memory support?
A: It uses Intel Socket 1366 and supports triple-channel DDR3 memory with ECC.
Q: Does the L5530 have integrated graphics?
A: No, the fact pack lists integrated graphics as null, indicating it is not present.
Q: How many cores and threads does it have?
A: It has 4 physical cores and 8 threads via hyper-threading.
Q: What is the TDP?
A: The TDP is 60 watts.
Q: Is the processor still in production?
A: No, it is end-of-life.
Q: What is the process node?
A: It is built on a 45 nm process with 731 million transistors.
Power and Thermals
With a 60 W TDP, the L5530 is a low-power part for its era. The 45 nm process and 731 million transistors on a 263 mm² die contribute to this modest thermal envelope. For a server or workstation, this means a standard low-profile heatsink or a basic server cooler will suffice; no exotic liquid cooling is required. The low TDP also makes it suitable for dense multi-socket configurations where thermal budgets are tight. Because the processor is end-of-life, users must rely on used or existing cooling solutions that are compatible with Socket 1366. The absence of integrated graphics reduces the overall system power draw as well, making the L5530 a relatively efficient choice for legacy server builds.
Who Should Consider It
Given the benchmark data, the L5530 is best suited for multi-threaded, parallel workloads that can leverage its 8 threads. The R23 multi-core score of 2143, while modest by modern standards, is far higher than the single-core score of 302, indicating strong scaling. This makes it viable for server tasks such as batch processing, virtual machine hosting, and file serving, where throughput across many concurrent threads is more important than per-thread speed. It is not recommended for gaming, as the single-core R23 score of 302 will likely bottleneck modern game engines that rely on high single-thread performance. Office productivity that uses lightly threaded applications will also feel sluggish. For enthusiasts building a retro system or a dedicated home server, the L5530's ECC memory support and triple-channel DDR3 are notable features, but the 19th percentile ranking shows it is far behind current CPUs. The tight competition with the Athlon X4 750K and A8 PRO-7600B suggests that any of these chips will perform similarly in mixed workloads, so the decision should hinge on platform features (socket, ECC, PCIe Gen 2) rather than raw compute.
Detailed benchmark scores and charts for the Intel Xeon L5530 are below.
Benchmark Scores
cinebench_cinebench_r15_multicoreSource
Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Xeon L5530 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.
Top 5 Performers
Top 5 PerformersNearby Performers
Nearby Performerscinebench_cinebench_r20_multicoreSource
Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Xeon L5530. The more demanding workload provides better differentiation between current-generation processors.
Top 5 Performers
Nearby Performers
cinebench_cinebench_r20_singlecoreSource
Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Xeon L5530. The increased complexity provides more accurate performance differentiation between modern CPUs.
Top 5 Performers
Nearby Performers
cinebench_cinebench_r23_multicoreSource
Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Xeon L5530 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.
Top 5 Performers
Nearby Performers
cinebench_cinebench_r23_singlecoreSource
Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Xeon L5530 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.
Top 5 Performers
Nearby Performers
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