Intel Core i9 12900HX vs Intel Xeon Platinum 8259CL

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 61/100 to the Intel Xeon Platinum 8259CL's 56, leading on Core Specifications and Integrated Graphics. Choose the Intel Xeon Platinum 8259CL instead if you want to spend less.

Verdict

Our overall take, at a glance

Intel Core i9 12900HX leads overall

Intel Core i9 12900HX

Intel Xeon Platinum 8259CL

Why it stands out

Core Specifications Lithography Process: 7 nm (50% less)
Core Specifications Maximum Frequency: 5 GHz (43% more)

Winner by category for Intel Core i9 12900HX vs Intel Xeon Platinum 8259CL
Category	Intel Core i9 12900HX	Intel Xeon Platinum 8259CL	Winner
Core Specifications	61	46	Intel Core i9 12900HX
Integrated Graphics	44	0	Intel Core i9 12900HX
Benchmark	63	61	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 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 Xeon Platinum 8259CL

The Intel Xeon Platinum 8259CL is one entry in a comprehensive list of Intel Xeon processors, categorized by various generations and architectures. This type of processor is used for high-performance computing applications requiring server-grade reliability.

Pros

Represents the 'Platinum' segment in the listing structure.

Value for Money

Which is the better deal for the price

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Intel Core i9 12900HX

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Intel Xeon Platinum 8259CL

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Performance

Higher benchmark score = faster

Intel Core i9 12900HX32,704

Intel Xeon Platinum 8259CL31,403

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 Xeon Platinum 8259CL
Cores	16	24
Threads	24	48
Base Frequency	2.3 GHz	2.5 GHz9% more
Base Power Consumption	55 W	210 W282% more
Maximum Frequency	5 GHz43% more	3.5 GHz
Maximum Power Consumption	157 W	N/A
L1 Cache	1,408 KB	1,536 KB9% more
L2 Cache	14 MB	24 MB71% more
L3 Cache	30 MB	35.75 MB19% more
Lithography Process	7 nm50% less	14 nm
Is unlocked	Yes	No

Integrated Graphics

Feature	Intel Core i9 12900HX	Intel Xeon Platinum 8259CL
Model		N/A

Benchmark

Feature	Intel Core i9 12900HX	Intel Xeon Platinum 8259CL
PassMark CPU Mark	32,7044% more	31,403

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 Xeon Platinum 8259CL comparison

They are closely matched: Intel Core i9 12900HX scores 64/100 and Intel Xeon Platinum 8259CL 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 Xeon Platinum 8259CL 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 Xeon Platinum 8259CL.

It's close — Intel Core i9 12900HX (64/100) and Intel Xeon Platinum 8259CL (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.