Intel Core i9 12900H vs Intel Core i5 12600K

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

For most buyers the Intel Core i9 12900H is the better pick — it scores 54/100 to the Intel Core i5 12600K's 51, leading on Core Specifications. Choose the Intel Core i5 12600K instead if you want to spend less.

Verdict

Our overall take, at a glance

Intel Core i9 12900H and Intel Core i5 12600K are closely matched

Intel Core i9 12900H

Intel Core i5 12600K

Where Intel Core i9 12900H stands out

Core Specifications Cores: 14
Core Specifications Threads: 20
Core Specifications L1 Cache: 1,248 KB (44% more)

Where Intel Core i5 12600K stands out

Core Specifications Base Power Consumption: 125 W (178% more)
Core Specifications Base Frequency: 3.7 GHz (48% more)
Core Specifications Maximum Power Consumption: 150 W (30% more)

Winner by category for Intel Core i9 12900H vs Intel Core i5 12600K
Category	Intel Core i9 12900H	Intel Core i5 12600K	Winner
Core Specifications	57	43	Intel Core i9 12900H
Integrated Graphics	29	29	Tie
Benchmark	56	58	Tie

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 12900H

The Intel Core i9 12900H is a high-performance mobile processor designed for intensive laptops like portable workstations and gaming rigs. Released in early 2022, it features 14 cores, 20 threads, and maximum clock speeds reaching up to 5.0 GHz. Manufactured on a 7nm lithography process, this chip incorporates 24 MB of L3 cache alongside integrated Intel Iris Xe Graphics for basic display management.

Best for High-end mobile gaming setups paired with a dedicated graphics cardBest for Demanding creative workloads like high-resolution video rendering and 3D asset c

Pros

High 14-core, 20-thread configuration delivers solid multi-threaded performance
Reaches peak boost frequencies of up to 5.0 GHz for responsive single-core execution
Large 24 MB L3 cache facilitates fast data access during complex processing tasks
Includes integrated Intel Iris Xe Graphics for display output without requiring continuous discrete GPU power

Cons

Maximum power consumption reaches 115W under full load, requiring robust thermal solutions and shortening battery life
Locked design prevents manual core overclocking

Intel Core i5 12600K

The Intel Core i5 12600K is a 10-core, 16-thread desktop processor built for the LGA1700 platform. Introduced in late 2021, it offers a 3.7 GHz base clock with boost speeds up to 4.9 GHz and includes integrated Intel UHD Graphics 770. It targets users seeking a balanced mid-range CPU for gaming and desktop productivity with manual overclocking support.

Best for Mid-range gaming builds with room for manual clock frequency tuningBest for General desktop productivity tasks benefiting from multi-core processing

Pros

10 cores and 16 threads deliver solid multi-tasking performance
Unlocked processor allows for manual overclocking
High peak frequency reaching up to 4.9 GHz
Includes integrated Intel UHD Graphics 770 for display output

Cons

Maximum power consumption of 150 W requires effective cooling solutions
Requires an LGA1700 motherboard socket, necessitating a system upgrade from older platforms

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 i9 12900H

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Intel Core i5 12600K

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Performance

Higher benchmark score = faster

Intel Core i9 12900H26,524

Intel Core i5 12600K27,497

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 i9 12900H	Intel Core i5 12600K
Cores	14	10
Threads	20	16
Base Frequency	2.5 GHz	3.7 GHz48% more
Base Power Consumption	45 W	125 W178% more
Maximum Frequency	5 GHz	4.9 GHz
Maximum Power Consumption	115 W	150 W30% more
L1 Cache	1,248 KB44% more	864 KB
L2 Cache	11.5 MB21% more	9.5 MB
L3 Cache	24 MB20% more	20 MB
Lithography Process	7 nm	7 nm
Is unlocked	No	Yes

Integrated Graphics

Feature	Intel Core i9 12900H	Intel Core i5 12600K
Model

Benchmark

Feature	Intel Core i9 12900H	Intel Core i5 12600K
PassMark CPU Mark	26,524	27,4974% 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 12900H vs Intel Core i5 12600K comparison

They are closely matched: Intel Core i9 12900H scores 56/100 and Intel Core i5 12600K scores 55/100 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 12900H and Intel Core i5 12600K 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 56/100 for Intel Core i9 12900H and 55/100 for Intel Core i5 12600K.

It's close — Intel Core i9 12900H (56/100) and Intel Core i5 12600K (55/100) 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.