AMD Ryzen 7 5800X vs Intel Core i9 12900H

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 57/100 to the AMD Ryzen 7 5800X's 53, leading on Core Specifications and Integrated Graphics. Choose the AMD Ryzen 7 5800X instead if benchmark matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Intel Core i9 12900H and AMD Ryzen 7 5800X are closely matched

Intel Core i9 12900H

AMD Ryzen 7 5800X

Where Intel Core i9 12900H stands out

Core Specifications L1 Cache: 1,248 KB (144% more)
Core Specifications L2 Cache: 11.5 MB (188% more)
Core Specifications Cores: 14

Where AMD Ryzen 7 5800X stands out

Core Specifications Base Power Consumption: 105 W (133% more)
Core Specifications Base Frequency: 3.8 GHz (52% more)
Core Specifications L3 Cache: 32 MB (33% more)

Winner by category for AMD Ryzen 7 5800X vs Intel Core i9 12900H
Category	Intel Core i9 12900H	AMD Ryzen 7 5800X	Winner
Core Specifications	64	43	Intel Core i9 12900H
Integrated Graphics	44	0	Intel Core i9 12900H
Benchmark	55	58	AMD Ryzen 7 5800X

In-depth analysisAI

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

AMD Ryzen 7 5800X

The AMD Ryzen 7 5800X is a desktop microprocessor manufactured by AMD. It belongs to the popular Ryzen line of x86-64 processors, which are based on Zen microarchitecture. This processor supports Simultaneous Multithreading (SMT).

Best for desktop computingBest for general performance

Pros

Designed for consumer desktop use on sockets like AM4.
The 1700X model has core counts ranging from 8 to 16.

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

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.

AMD Ryzen 7 5800X

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Intel Core i9 12900H

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Performance

Higher benchmark score = faster

AMD Ryzen 7 5800X27,655

Intel Core i9 12900H26,524

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	AMD Ryzen 7 5800X	Intel Core i9 12900H
Cores	8	14
Threads	16	20
Base Frequency	3.8 GHz52% more	2.5 GHz
Base Power Consumption	105 W133% more	45 W
Maximum Frequency	4.7 GHz	5 GHz6% more
Maximum Power Consumption	N/A	115 W
L1 Cache	512 KB	1,248 KB144% more
L2 Cache	4 MB	11.5 MB188% more
L3 Cache	32 MB33% more	24 MB
Lithography Process	7 nm	7 nm
Is unlocked	Yes	No

Integrated Graphics

Feature	AMD Ryzen 7 5800X	Intel Core i9 12900H
Model	N/A

Benchmark

Feature	AMD Ryzen 7 5800X	Intel Core i9 12900H
PassMark CPU Mark	27,6554% more	26,524

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 AMD Ryzen 7 5800X vs Intel Core i9 12900H comparison

They are closely matched: AMD Ryzen 7 5800X scores 57/100 and Intel Core i9 12900H scores 56/100 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.

AMD Ryzen 7 5800X and Intel Core i9 12900H 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 57/100 for AMD Ryzen 7 5800X and 56/100 for Intel Core i9 12900H.

It's close — AMD Ryzen 7 5800X (57/100) and Intel Core i9 12900H (56/100) 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.