Intel Core i9 12900HX vs Intel Core i7 12700K

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

For most buyers the Intel Core i9 12900HX is the better pick — it scores 59/100 to the Intel Core i7 12700K's 56, leading on Core Specifications. Choose the Intel Core i7 12700K instead if benchmark matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Intel Core i9 12900HX and Intel Core i7 12700K are closely matched

Intel Core i9 12900HX

Intel Core i7 12700K

Where Intel Core i9 12900HX stands out

Core Specifications Cores: 16
Core Specifications Threads: 24
Core Specifications L1 Cache: 1,408 KB (38% more)

Where Intel Core i7 12700K stands out

Core Specifications Base Power Consumption: 125 W (127% more)
Core Specifications Base Frequency: 3.6 GHz (57% more)
Core Specifications Maximum Power Consumption: 190 W (21% more)

Winner by category for Intel Core i9 12900HX vs Intel Core i7 12700K
Category	Intel Core i9 12900HX	Intel Core i7 12700K	Winner
Core Specifications	60	44	Intel Core i9 12900HX
Integrated Graphics	29	29	Tie
Benchmark	62	65	Intel Core i7 12700K

In-depth analysisAI

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

Intel Core i9 12900HX

The Intel Core i9-12900HX is a high-performance laptop processor designed for intensive computational tasks and heavy multitasking. Released in April 2022, it features 16 cores and 24 threads with a maximum boost frequency of 5.0 GHz. Built on a 7 nm process, it operates with a 55 W base power rating that can scale up to 157 W under heavy loads, targeting users who need desktop-class performance in a portable machine.

Best for Heavy multi-threaded processing and CPU-intensive computational work on mobile lBest for High-end laptop setups that pair the CPU with a discrete graphics card for gamin

Pros

High core and thread count featuring 16 cores and 24 threads for multi-threaded tasks
Reaches high boost clock speeds of up to 5.0 GHz
Includes 30 MB of L3 cache to support data-heavy operations
Delivers high benchmark performance with a PassMark score of 32704

Cons

High maximum power draw reaching up to 157 W under load
Processor is locked against traditional overclocking
Integrated Intel UHD Graphics provide minimal baseline display output, requiring a discrete GPU for demanding visual workloads

Intel Core i7 12700K

The Intel Core i7 12700K is an unlocked desktop processor built on the LGA1700 platform using a 7nm process. It features 12 cores and 20 threads with a base frequency of 3.6 GHz and a maximum boost frequency of 5.0 GHz. Designed for enthusiasts and heavy desktop workloads, it includes integrated Intel UHD Graphics 770 and has a base power draw of 125W.

Best for High-performance gaming and productivity builds needing strong multithreaded perBest for PC builders planning to manually overclock their desktop processor on the LGA170

Pros

High maximum boost clock speed of up to 5.0 GHz across 20 threads
Unlocked multiplier allows for manual processor overclocking
Includes integrated Intel UHD Graphics 770 display capabilities

Cons

High maximum power consumption reaching up to 190W under full load
Requires a compatible LGA1700 motherboard platform

Value for Money

Which is the better deal for the price

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Intel Core i9 12900HX

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Intel Core i7 12700K

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Performance

Higher benchmark score = faster

Intel Core i9 12900HX32,704

Intel Core i7 12700K34,228

See the raw benchmark values →

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

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature	Intel Core i9 12900HX	Intel Core i7 12700K
Cores	16	12
Threads	24	20
Base Frequency	2.3 GHz	3.6 GHz57% more
Base Power Consumption	55 W	125 W127% more
Maximum Frequency	5 GHz	5 GHz
Maximum Power Consumption	157 W	190 W21% more
L1 Cache	1,408 KB38% more	1,024 KB
L2 Cache	14 MB17% more	12 MB
L3 Cache	30 MB20% more	25 MB
Lithography Process	7 nm	7 nm
Is unlocked	Yes	Yes

Integrated Graphics

Feature	Intel Core i9 12900HX	Intel Core i7 12700K
Model

Benchmark

Feature	Intel Core i9 12900HX	Intel Core i7 12700K
PassMark CPU Mark	32,704	34,2285% 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 i9 12900HX vs Intel Core i7 12700K comparison

They are closely matched: Intel Core i9 12900HX scores 64/100 and Intel Core i7 12700K scores 63/100 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 i9 12900HX and Intel Core i7 12700K 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 64/100 for Intel Core i9 12900HX and 63/100 for Intel Core i7 12700K.

It's close — Intel Core i9 12900HX (64/100) and Intel Core i7 12700K (63/100) 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.