Intel Core i5-2550K
Intel processor specifications and benchmark scores
Intel Core i5-2550K Specifications
Core i5-2550K Core Configuration
Processing cores and threading
The Intel Core i5-2550K 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.
i5-2550K Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Core i5-2550K 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 i5-2550K by Intel can dynamically adjust its frequency based on workload and thermal headroom.
Intel's Core i5-2550K Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the i5-2550K 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 i5-2550K's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Sandy Bridge Architecture & Process
Manufacturing and design details
The Intel Core i5-2550K is built on Intel's 32 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 i5-2550K incorporate advanced branch prediction and out-of-order execution for optimal performance.
Sandy Bridge Instruction Set Features
Supported CPU instructions and extensions
The Core i5-2550K 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.
i5-2550K Power & Thermal
TDP and power specifications
The Intel Core i5-2550K has a TDP (Thermal Design Power) of 95W, 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 1155 Platform & Socket
Compatibility information
The Core i5-2550K uses the Intel Socket 1155 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 1155 Memory Support
RAM compatibility and speeds
Memory support specifications for the i5-2550K 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 i5-2550K 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.
Core i5-2550K Product Information
Release and pricing details
The Intel Core i5-2550K 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 i5-2550K by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.
Core i5-2550K 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 Core i5-2550K performs in parallel rendering workloads.
cinebench_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 Core i5-2550K. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.
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 Core i5-2550K. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.
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 Core i5-2550K after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.
cinebench_cinebench_r23_singlecoreSource
Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i5-2550K maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.
geekbench_multicoreSource
Geekbench multi-core tests Intel Core i5-2550K across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance. Higher scores indicate better capability in multitasking and content creation. The cross-platform nature of Geekbench allows direct comparison with systems running different operating systems.
geekbench_singlecoreSource
Geekbench single-core measures how fast one thread of Intel Core i5-2550K can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use. Many applications still depend primarily on single-thread performance. Gaming performance is also heavily influenced by single-core speed in CPU-limited scenarios.
About Intel Core i5-2550K
The Intel Core i5-2550K, a Sandy Bridge quad-core unlocked chip, delivers solid performance rooted in its mature 32nm architecture. With a base clock of 3.4 GHz and a single-core turbo of 3.8 GHz, this processor leverages Intel's Turbo Boost 2.0 for responsive single-threaded tasks, as reflected in its Cinebench R23 single-core score of 503 points. Its 95W TDP represents a reasonable power draw for its era, though modern efficiency standards have moved on. The 6MB of shared L3 cache provides a capable data reservoir for its four physical cores, minimizing latency in gaming and general compute. This CPU's architecture excels in workloads that favor strong per-core performance over high thread counts. The unlocked multiplier makes the 2550K a compelling choice for enthusiasts seeking to push beyond its stock frequencies.
- Architecture: Built on the proven 32nm Sandy Bridge microarchitecture.
- Overclocking: Fully unlocked multiplier for significant headroom.
- Ideal Use: Classic gaming rigs and legacy system builds.
Benchmark results, like its 3,567-point Cinebench R23 multi-core score, show this quad-core processor holds up for light production work but is clearly outpaced by modern counterparts. Its performance profile makes this particular i5 ideal for specific, constrained workloads where thread count is less critical than raw clock speed. You can still rely on this vintage Intel chip for legacy gaming titles, everyday office tasks, and as a foundation for a budget-friendly secondary system. The socket 1155 platform offers a cost-effective entry point, though platform longevity is a consideration. When evaluating the Core i5-2550K, consider it a capable workhorse for its generation, not a modern multi-threading powerhouse. Pushing this CPU with a capable cooler reveals its true potential, allowing it to punch above its stock benchmark numbers.
The AMD Equivalent of Core i5-2550K
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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