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Intel Core i5-12400 Desktop Processor 18M Cache, vs Intel® Core™ Ultra 5 Desktop Processor 235 14

Updated August 2026 — Intel® Core™ Ultra 5 Desktop Processor 235 14 leads on cores and performance.

The Intel Core Ultra 5 offers superior performance and architecture, making it a better choice for demanding tasks, while the i5-12400 is more budget-friendly.

Why Intel Core i5-12400 Desktop Processor 18M Cache, is better

Price

Lower price at $214.99

Integrated Graphics

Includes Intel UHD Graphics 730

Cooling Solution

Comes with Intel Laminar RM1 cooler

Why Intel® Core™ Ultra 5 Desktop Processor 235 14 is better

Performance

Higher turbo boost up to 5.0 GHz

Core Count

14 cores (6 P-cores + 8 E-cores)

Cache Size

Larger 26 MB cache for better performance

Overall score

Intel Core i5-12400 Desktop Processor 18M Cache,
75
Intel® Core™ Ultra 5 Desktop Processor 235 14
85

Specifications

SpecIntel Core i5-12400 Desktop Processor 18M Cache,Intel® Core™ Ultra 5 Desktop Processor 235 14
BrandIntelIntel
SocketLGA-1700LGA-800
PCIe Support5.0 & 4.05.0 & 4.0
Threads1214
Base Power65W65W

Dimension comparison

Intel Core i5-12400 Desktop Processor 18M Cache,Intel® Core™ Ultra 5 Desktop Processor 235 14

Overview of the Intel Core i5-12400 and Intel Core Ultra 5

The Intel Core i5-12400 is priced at $214.99 while the Intel Core Ultra 5 is available for $266.21, making the Ultra 5 about 24% more expensive. Both processors are designed for gamers and productivity tasks, but they cater to different performance needs and specifications. The i5-12400 features a turbo boost speed of up to 4.40 GHz, while the Ultra 5 can reach up to 5.0 GHz, indicating a potential advantage in higher performance scenarios with the Ultra 5.

Performance Capabilities

In terms of performance, the Intel Core Ultra 5 boasts an impressive architecture with 14 cores, comprising 6 performance cores (P-cores) and 8 efficiency cores (E-cores). This hybrid architecture allows it to optimize workload distribution effectively, making it a strong contender for demanding applications. On the other hand, the Intel Core i5-12400, with its 6 cores and hyper-threading capability, provides solid performance for everyday tasks and gaming, but may not match the Ultra 5 in intensive multitasking or gaming scenarios.

Cache and Memory Support

The Intel Core i5-12400 comes with an 18 MB L3 cache, which is beneficial for routine data processing and enhancing overall system performance. In contrast, the Intel Core Ultra 5 offers a larger 26 MB cache, which can aid in faster data retrieval and processing, particularly in complex applications. Both processors support PCIe 5.0 and DDR5 memory, ensuring compatibility with the latest motherboards and maximizing their performance capabilities.

Integrated Graphics

The Intel Core i5-12400 includes integrated Intel UHD Graphics 730, supporting up to four monitors, which can appeal to users needing decent graphics performance without a dedicated GPU. The Intel Core Ultra 5 also features integrated graphics but does not specify the model. However, it is designed to handle graphics-related tasks effectively, especially given its higher core count. Users focused on graphics-intensive applications may find the Ultra 5 more capable in this regard.

Thermal Management

Both processors have a base power of 65W, indicating they are relatively efficient in terms of power consumption. However, the Intel Core Ultra 5 does not come with a thermal solution included, which could lead to additional costs for users needing cooling solutions. Conversely, the Intel Core i5-12400 includes the Intel Laminar RM1 cooler, providing users with an out-of-the-box solution to manage temperatures effectively.

Motherboard Compatibility

The Intel Core i5-12400 is compatible with Intel's 600 Series chipset motherboards, while the Intel Core Ultra 5 requires Intel's 800 Series chipset motherboards. This difference is crucial for users planning to upgrade or build new systems. The availability of motherboards for the Intel Core i5-12400 may be broader due to its longer market presence, potentially making it easier to find compatible components.

Ideal Use Cases

The Intel Core i5-12400 is suitable for gamers and users who require good performance for everyday tasks without breaking the bank. Its price point and features make it an excellent choice for budget-conscious individuals. On the other hand, the Intel Core Ultra 5 is geared more towards high-end gaming and productivity tasks that demand more from a processor. Users who frequently run multiple applications or engage in heavy gaming may benefit significantly from the Ultra 5’s architecture.

Which should you buy?

The choice between the Intel Core i5-12400 and Intel Core Ultra 5 fundamentally depends on your needs and budget. The i5-12400, priced at $214.99, is about 24% cheaper and provides solid performance for general use and gaming. However, if your tasks require higher performance, especially in multitasking or demanding applications, the Intel Core Ultra 5 at $266.21 may justify the extra cost with its superior architecture and capabilities. Ultimately, budget-conscious users may find the i5-12400 more appealing, while those seeking cutting-edge performance should consider the Ultra 5.