Intel Core Ultra 9 275HX vs Intel Core i9 14900K

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Intel Core Ultra 9 275HX is the better pick — it scores 70/100 to the Intel Core i9 14900K's 65, leading on Core Specifications. Choose the Intel Core i9 14900K instead if benchmark matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Intel Core Ultra 9 275HX leads overall

Intel Core Ultra 9 275HX

Intel Core i9 14900K

Why it stands out

Core Specifications Lithography Process: 3 nm (57% less)
Core Specifications L2 Cache: 40 MB (25% more)
Core Specifications L1 Cache: 2,432 KB (12% more)

Winner by category for Intel Core Ultra 9 275HX vs Intel Core i9 14900K
Category	Intel Core Ultra 9 275HX	Intel Core i9 14900K	Winner
Core Specifications	63	40	Intel Core Ultra 9 275HX
Integrated Graphics	29	29	Tie
Benchmark	79	82	Intel Core i9 14900K

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Intel Core Ultra 9 275HX

The Intel Core Ultra 9 275HX is a high-performance mobile processor built for demanding laptop computers and portable workstations. With a PassMark CPU Mark score of 58,000, this chip is designed to deliver desktop-class processing power on the go. It is primarily built for users who need to execute resource-heavy applications, gaming, and professional-grade content creation.

Best for Intensive multi-threaded applications like 3D rendering, simulation software…Best for High-end mobile gaming configurations that demand elite levels of CPU…

Pros

Strong computational performance indicated by a high PassMark benchmark score of 58,000
Capable of handling complex multi-threaded software and heavy multitasking workloads

Cons

High energy demands typical of the HX class can significantly reduce laptop battery longevity
Generates substantial heat, requiring robust thermal cooling solutions that often increase laptop thickness and weight

Intel Core i9 14900K

The Intel Core i9 14900K is a flagship desktop processor built for high-end gaming and demanding workstation tasks. Operating on the LGA1700 platform, it features a 24-core and 32-thread architecture with boost clock speeds reaching up to 6.0 GHz. It comes unlocked for overclocking and features integrated Intel UHD Graphics 770 alongside 36 MB of L3 cache.

Best for High-end gaming setups targeting maximum frame ratesBest for Heavy computational tasks such as 3D rendering and video production

Pros

High maximum clock speed of 6.0 GHz delivers strong single-core performance
24-core and 32-thread layout provides substantial multi-threaded processing capacity
Integrated Intel UHD Graphics 770 offers built-in display capabilities without a discrete GPU

Cons

Substantial power consumption peaking up to 253 W under maximum load
High power draw requires extensive thermal management and cooling hardware

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Intel Core Ultra 9 275HX

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Intel Core i9 14900K

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Performance

Higher benchmark score = faster

Intel Core Ultra 9 275HX55,677

Intel Core i9 14900K58,163

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature	Intel Core Ultra 9 275HX	Intel Core i9 14900K
Cores	24	24
Threads	24	32
Base Frequency	2.7 GHz	3.2 GHz19% more
Base Power Consumption	55 W	125 W127% more
Maximum Frequency	5.4 GHz	6 GHz11% more
Maximum Power Consumption	160 W	253 W58% more
L1 Cache	2,432 KB12% more	2,176 KB
L2 Cache	40 MB25% more	32 MB
L3 Cache	36 MB	36 MB
Lithography Process	3 nm57% less	7 nm
Is unlocked	N/A	Yes

Integrated Graphics

Feature	Intel Core Ultra 9 275HX	Intel Core i9 14900K
Model

Benchmark

Feature	Intel Core Ultra 9 275HX	Intel Core i9 14900K
PassMark CPU Mark	55,677	58,1634% more

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Intel Core Ultra 9 275HX vs Intel Core i9 14900K comparison

They are closely matched: Intel Core Ultra 9 275HX scores 81/100 and Intel Core i9 14900K scores 80/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

Intel Core Ultra 9 275HX and Intel Core i9 14900K are compared side by side above across every spec in the cpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 81/100 for Intel Core Ultra 9 275HX and 80/100 for Intel Core i9 14900K.

It's close — Intel Core Ultra 9 275HX (81/100) and Intel Core i9 14900K (80/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.