Intel® Core™ Ultra 5 Processor 250K Plus 18 cores vs Intel Core i5-12600K Desktop Processor 10
Updated August 2026 — The Intel® Core™ Ultra 5 Processor 250K Plus outperforms the Intel Core i5-12600K in core count and clock speed, making it a better choice for high-performance tasks.
The Intel® Core™ Ultra 5 Processor 250K Plus outperforms the Intel Core i5-12600K in core count and clock speed, making it a better choice for high-performance tasks.
Why Intel® Core™ Ultra 5 Processor 250K Plus 18 cores is better
higher core count
Ultra 5 has 18 cores vs i5's 10 cores
faster clock speed
Ultra 5 reaches up to 5.5 GHz vs i5's 3.70 GHz
better overclocking
Ultra 5 is unlocked for performance tuning
Why Intel Core i5-12600K Desktop Processor 10 is better
integrated graphics
i5 has built-in Intel UHD Graphics
lower price
i5 is priced at C$504.78 vs Ultra 5's C$332.99
efficient architecture
i5 uses Intel 7 Architecture for better performance per watt
Overall score
Specifications
| Spec | Intel® Core™ Ultra 5 Processor 250K Plus 18 cores | Intel Core i5-12600K Desktop Processor 10 |
|---|---|---|
| Cores | 18 | 10 |
| Max Clock | 5.5 GHz | 3.70 GHz |
| Base Power | 125W | unknown |
| Socket Type | LGA1851 | LGA-1700 |
| Integrated GPU | No | Yes |
Dimension comparison
Overview of the Processors
The Intel® Core™ Ultra 5 Processor 250K Plus features 18 cores, while the Intel Core i5-12600K Desktop Processor boasts a deca-core configuration with 10 cores. The Ultra 5 is designed for high performance in gaming and productivity tasks, whereas the i5-12600K focuses on delivering strong performance with improved onboard graphics. Both processors are manufactured by Intel and cater to different user needs within the CPU market.
Performance Capabilities
The Intel® Core™ Ultra 5 Processor 250K Plus offers a robust high-performance core configuration featuring up to 24 cores, which includes 8 performance cores and 16 efficiency cores. It achieves ultra-fast boost clocks of up to 5.5 GHz, making it particularly well-suited for demanding gaming and creative applications. In contrast, the Intel Core i5-12600K operates at a base frequency of 3.70 GHz and employs a hyper-threading architecture that effectively enhances performance for applications requiring multiple threads. While both processors provide strong performance, the Ultra 5's higher clock speed and core count present a significant advantage for heavy workloads.
Thermal and Power Design
Power management is a crucial aspect of CPU performance, and here the Intel® Core™ Ultra 5 Processor 250K Plus excels with a base power rating of 125W and a maximum turbo power of 250W. This robust design is engineered to sustain high-intensity tasks without overheating. The Intel Core i5-12600K, while efficient with its Intel 7 Architecture, does not specify its power limits in the available data. However, its design is known to enhance performance per watt, making it a power-efficient option for users who prioritize energy consumption.
Compatibility and Motherboard Support
The compatibility of a processor with motherboards is vital for ensuring optimal performance. The Intel® Core™ Ultra 5 Processor 250K Plus is compatible with Intel 800 Series Chipset-based motherboards featuring the LGA1851 Socket. This ensures users can take full advantage of PCIe 5.0 and high-speed DDR5 memory support. On the other hand, the Intel Core i5-12600K uses the LGA-1700 socket, which allows for easy installation on the PCB without soldering. While both processors have their respective socket compatibility, the Ultra 5’s support for the latest technologies may provide a longer lifespan for future upgrades.
Overclocking Potential
For users keen on maximizing their processor's performance, overclocking capability is a significant consideration. The Intel® Core™ Ultra 5 Processor 250K Plus is unlocked for performance tuning when paired with Intel Z-series chipsets, making it an ideal choice for enthusiasts and power users who wish to push their hardware to the limit. Conversely, the Intel Core i5-12600K does not explicitly mention overclocking features in the available data. This may limit its appeal to users seeking to fine-tune their system for enhanced capabilities.
Graphics and Visual Performance
When it comes to integrated graphics, the Intel Core i5-12600K has a built-in Intel UHD Graphics controller, supporting a maximum resolution of 4096 x 2160 at 60Hz via HDMI. This makes it a suitable choice for users who require decent graphical performance without the need for a dedicated GPU. In contrast, the Intel® Core™ Ultra 5 Processor 250K Plus lacks detailed information regarding its graphics capabilities. However, given its focus on high-performance computing, it may appeal to users who prioritize CPU performance over integrated graphics.
Pricing and Value
The Intel® Core™ Ultra 5 Processor 250K Plus is priced at C$332.99, making it a competitive option for those seeking high core counts and performance capabilities. On the other hand, the Intel Core i5-12600K is priced higher at C$504.78. This price difference reflects the Ultra 5's advanced features and potential for high-performance tasks, making it a more budget-friendly choice for users who do not require the i5’s integrated graphics capabilities.
Which should you buy?
Choosing between the Intel® Core™ Ultra 5 Processor 250K Plus and the Intel Core i5-12600K depends largely on your specific needs and budget. If you are looking for top-tier performance, especially for gaming and productivity with a strong emphasis on multi-core tasks, the Ultra 5 is the better option with its higher core count and boosted clock speeds at a more accessible price of C$332.99. Conversely, if integrated graphics and a slightly lower price point are more important to you, the i5-12600K, priced at C$504.78, may be the right fit. Ultimately, your choice should align with your performance needs and budget considerations.
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