INTEL

Intel Core i3-550

Intel processor specifications and benchmark scores

2
Cores
4
Threads
GHz Boost
73W
TDP
Integrated GPU

At a Glance

Intel
Cores / Threads 2C / 4T
Base Clock 3.2 GHz
L3 Cache 4 MB (shared)
TDP 73W
Architecture Westmere
Socket Intel Socket 1156
nm
Process 32 nm
Released May 2010

Intel Core i3-550 Specifications

Core i3-550 Core Configuration

Processing cores and threading

The Intel Core i3-550 features 2 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.

Cores
2
Threads
4
SMP CPUs
1

i3-550 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i3-550 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 i3-550 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.2 GHz
Boost Clock
N/A
Multiplier
24x

Intel's Core i3-550 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i3-550 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 i3-550's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
4 MB (shared)

Westmere Architecture & Process

Manufacturing and design details

The Intel Core i3-550 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 i3-550 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Westmere
Codename
Clarkdale
Process Node
32 nm
Foundry
Intel
Transistors
382 million
Die Size
81 mm²
Generation
Core i3 (Clarkdale)

Westmere Instruction Set Features

Supported CPU instructions and extensions

The Core i3-550 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.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AES-NI
Intel 64
VT-x

Power & Thermal

TDP and power specifications

The Intel Core i3-550 has a TDP (Thermal Design Power) of 73W, 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.

TDP
73W

Intel Socket 1156 Platform & Socket

Compatibility information

The Core i3-550 uses the Intel Socket 1156 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.

Socket
Intel Socket 1156
Chipsets
Intel H57, Intel H55, Intel P55
PCIe
Gen 2, 16 Lanes(CPU only)
Package
FC-LGA10
DDR5

Intel Socket 1156 Memory Support

RAM compatibility and speeds

Memory support specifications for the i3-550 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 i3-550 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.

Memory Type
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
21.3 GB/s

Intel's Core i3-550 Integrated Graphics

Built-in GPU specifications

The Intel Core i3-550 includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the i3-550 provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Intel HD
Graphics Model
Intel HD

Product Information

Release and pricing details

The Intel Core i3-550 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 i3-550 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
May 2010
Launch Price
$138
Market
Desktop
Status
End-of-life
Part Number
SLBUD

About Intel Core i3-550

The Intel Core i3-550 is a dual-core, four-thread desktop processor from Intel's Clarkdale generation, built on a 32 nm process. It occupies a niche near the bottom of the performance spectrum, with an average benchmark score of 475 placing it in the 8th percentile of all CPUs. This is an end-of-life part, and the data reflects its age and dual-core design.

Benchmark Performance

The Core i3-550's benchmark results show a clear picture of a processor that is competitive only with other low-end parts from its era. Its average benchmark score of 475 is virtually identical to its nearest rivals. It edges out the AMD A8-3510MX by a mere 0.2%, trails the AMD Athlon II X3 435 by 0.4%, and sits 0.6% ahead of the AMD A8-5550M and 0.8% ahead of the AMD A8-3520M. In practical terms, the data shows no meaningful performance gap between these four processors; any difference would be lost in run-to-run variance.

Multi-threaded scores reinforce this positioning. In Cinebench R15 multi-core, the i3-550 scores 139 points. Cinebench R20 multi-core yields 580 points, while Cinebench R23 multi-core produces 1382 points. These are low absolute numbers, and the pattern across all three tests is consistent: the i3-550 delivers roughly the same rendering throughput as its four AMD rivals, all of which are within a single percentage point of its average score. The 0.4% deficit to the Athlon II X3 435 is notable because that rival is a triple-core part, suggesting the i3-550's Hyper-Threading helps it keep pace with one fewer physical core.

Single-thread performance is where the i3-550 shows a relative strength, though the data is limited. In Cinebench R23 single-core, it scores 195 points, and in Cinebench R20 single-core, it scores 81 points. These scores are still low in absolute terms, but the single-core results are a larger fraction of the multi-core scores than is typical for modern parts, indicating that the dual-core design does not scale poorly when threads are limited. The 8th percentile ranking across all CPUs, however, means that even this single-thread advantage only places it at the very bottom of the current desktop market. Benchmark results indicate that any workload which can utilize more than two threads will quickly expose the i3-550's limitations.

Who Should Consider It

The performance data points to a very narrow set of use cases for the Core i3-550. Given its 8th percentile ranking and its proximity to AMD's A8 and Athlon II parts, this processor is only relevant for basic office tasks, light web browsing, and legacy software that does not scale beyond a few threads. The dual-core, four-thread configuration handles single-threaded applications adequately, as the Cinebench R23 single-core score of 195 suggests, but it will struggle with modern multi-threaded workloads.

Gamers should avoid this chip. Modern game engines routinely utilize more than two cores, and the i3-550's multi-core scores—580 in Cinebench R20 and 1382 in Cinebench R23—are far below what contemporary titles require for smooth frame rates. Even older games that are primarily single-threaded will only see marginal performance, as the single-core scores are still in the lowest percentile band.

Content creators and professionals running rendering, video encoding, or compilation tasks will find the i3-550 severely lacking. The Cinebench R15 multi-core score of 139 is a clear indicator that any serious multi-threaded workload will take an impractically long time. The processor's 73W TDP and lack of a boost clock also mean there is no headroom for sustained heavy loads. The only realistic recommendation is for a secondary machine dedicated to text processing, spreadsheet work, or as a basic home server running lightweight services. Even then, the 8th percentile ranking means nearly any modern budget processor would be a substantial upgrade, and the end-of-life production status makes this a hard sell for new builds.

Power and Thermals

The Core i3-550 carries a 73W TDP, which classifies it as a modest power draw for a desktop processor of its generation. This TDP level does not demand an elaborate cooling solution. A capable air cooler, including the stock cooler that would have shipped with the processor, is sufficient to manage thermals under normal operation. The 32 nm process node, while old by current standards, keeps heat output in check for a dual-core design.

The lack of a boost clock means the processor runs at a fixed 3.20 GHz base clock under all conditions. This simplifies thermal behavior: there is no turbo frequency to trigger higher power spikes. The 73W TDP is a steady-state figure, and benchmark results do not suggest any thermal throttling issues, as the multi-core scores are consistent with what the architecture would predict at this clock speed. For a builder resurrecting an older system, any standard 80mm or 92mm fan cooler with a Socket 1156 mount will be more than adequate. Overclocking is not an option, as the multiplier is locked, so there is no need to plan for increased cooling capacity beyond the stock configuration.

FAQ

Q: What is the average benchmark score of the Intel Core i3-550?

A: The average benchmark score is 475, which places it in the 8th percentile of all CPUs.

Q: How does the Core i3-550 compare to the AMD A8-3510MX?

A: The i3-550 is 0.2% ahead of the A8-3510MX in average score, a difference that is effectively negligible.

Q: Does the Core i3-550 support ECC memory?

A: No, ECC memory is not supported by this processor.

Q: What is the launch MSRP of the Core i3-550?

A: The launch MSRP was $138.

Q: Is the Core i3-550 overclockable?

A: No, the multiplier is locked, so overclocking is not supported.

Q: What is the process node and transistor count for this CPU?

A: It is built on a 32 nm process with 382 million transistors and a die size of 81 mm².

Platform and Compatibility

The Core i3-550 uses the Intel Socket 1156 platform, which is a legacy socket from the early 2010s. It is based on the Westmere architecture, specifically the Clarkdale codename, and this generation is designated as Core i3 (Clarkdale). The processor supports dual-channel DDR3 memory with a memory bandwidth of 21.3 GB/s. This is a significant limitation by modern standards, as DDR3 is obsolete and offers lower bandwidth than current DDR4 or DDR5 platforms.

For PCIe, the i3-550 provides Gen 2 with 16 lanes from the CPU only. This means any discrete graphics card or expansion card will be limited to PCIe 2.0 speeds, which can bottleneck modern GPUs. The integrated graphics is Intel HD, which is suitable only for basic display output, not for gaming or GPU-accelerated tasks. The production status is end-of-life, meaning Intel no longer manufactures or supports this chip. Replacement motherboards for Socket 1156 are scarce on the new market, and used boards are aging.

Upgrade path is essentially non-existent within the platform. The best CPUs on Socket 1156 are quad-core parts from the same generation, but the data for those is not provided here. Given that the i3-550 already sits at the 8th percentile, any upgrade would require moving to a newer socket entirely, which also means replacing the motherboard and memory. For a modern builder, this platform is only relevant for salvaging an existing system, not for a new purchase.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance reveals a processor that is balanced for its era but hopelessly outclassed today. In Cinebench R23, the i3-550 scores 195 in single-core and 1382 in multi-core. The multi-core score is roughly 7 times the single-core score, which is a reasonable scaling factor for a dual-core, four-thread part. This indicates that Hyper-Threading is functioning effectively, extracting near-linear gains from the two additional logical threads.

In Cinebench R20, the single-core score is 81 and the multi-core score is 580, a ratio of about 7.2 times. This consistency across different Cinebench versions suggests the processor's thread scaling is stable and predictable. The practical implication is that applications which are lightly threaded—such as older games, legacy productivity software, or single-threaded scripts—will see performance proportional to the 195-point single-core score. This is adequate for basic tasks but will be slow by modern standards.

However, the multi-thread scores tell the more important story. A 1382-point Cinebench R23 multi-core score places this chip in the bottom tier of any current CPU comparison. The nearest rivals, all AMD parts with similar average scores, confirm that the i3-550 does not stand out in either single-thread or multi-thread workloads. The 0.2% delta to the A8-3510MX and the 0.4% deficit to the Athlon II X3 435 show that the i3-550 is firmly planted in a cluster of similarly weak processors. For any workload that scales beyond two threads, the i3-550 will be the limiting factor, and the data gives no reason to expect it to punch above its class.

Detailed benchmark scores and charts for the Intel Core i3-550 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 Core i3-550 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.

cinebench_cinebench_r15_multicore #1818 of 1967
139
1%
Max: 14,978

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 i3-550. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #1637 of 1786
581
1%
Max: 62,412

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 i3-550. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #1634 of 1776
81
1%
Max: 8,811

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 i3-550 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #1788 of 1938
1,385
1%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i3-550 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #1774 of 1923
195
1%
Max: 20,979

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