AMD Ryzen 9 7845HX vs AMD Ryzen 9 7900X

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

The AMD Ryzen 9 7845HX and AMD Ryzen 9 7900X are closely matched at 68 and 68/100. The AMD Ryzen 9 7845HX edges ahead on Core Specifications, while the AMD Ryzen 9 7900X leads on Integrated Graphics and Benchmark — pick the one whose strengths match what you'll actually use.

Verdict

Our overall take, at a glance

AMD Ryzen 9 7845HX and AMD Ryzen 9 7900X are closely matched

AMD Ryzen 9 7845HX

AMD Ryzen 9 7900X

Where AMD Ryzen 9 7900X stands out

Core Specifications Base Power Consumption: 170 W (209% more)
Core Specifications Base Frequency: 4.7 GHz (57% more)
Benchmark PassMark CPU Mark: 51,206 (16% more)

Winner by category for AMD Ryzen 9 7845HX vs AMD Ryzen 9 7900X
Category	AMD Ryzen 9 7845HX	AMD Ryzen 9 7900X	Winner
Core Specifications	62	49	AMD Ryzen 9 7845HX
Integrated Graphics	0	50	AMD Ryzen 9 7900X
Benchmark	71	79	AMD Ryzen 9 7900X

In-depth analysisAI

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

AMD Ryzen 9 7845HX

AMD Ryzen microprocessors are an x86-64 microprocessor line designed by AMD on the Zen microarchitecture. The series includes processor types like Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen 9. Mobile processors with the HX suffix share features with other consumer desktop Ryzens.

Best for desktop computing

Pros

All mobile processors with the HX suffix have an unlocked multiplier.

AMD Ryzen 9 7900X

AMD Ryzen processors are x86-64 microprocessors based on the Zen microarchitecture. The line includes various product families such as Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, and Threadripper (Sources 1). Consumer desktop versions of Ryzen CPUs support Simultaneous Multithreading (SMT) except for some earlier units (Source 1).

Best for General desktop computing

Pros

Supports Simultaneous Multithreading (SMT) across many models (Source 1)
Ryzen processors include R3, R5, R7, R9, and Threadripper lines (Source 1)

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 9 7845HX

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AMD Ryzen 9 7900X

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Performance

Higher benchmark score = faster

AMD Ryzen 9 7845HX44,209

AMD Ryzen 9 7900X51,206

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	AMD Ryzen 9 7845HX	AMD Ryzen 9 7900X
Cores	12	12
Threads	24	24
Base Frequency	3 GHz	4.7 GHz57% more
Base Power Consumption	55 W	170 W209% more
Maximum Frequency	5.2 GHz	5.6 GHz8% more
Maximum Power Consumption	75 W	N/A
L1 Cache	764 KB	768 KB
L2 Cache	12 MB	12 MB
L3 Cache	64 MB	64 MB
Lithography Process	5 nm	5 nm
Is unlocked	Yes	Yes

Integrated Graphics

Feature	AMD Ryzen 9 7845HX	AMD Ryzen 9 7900X
Model	N/A

Benchmark

Feature	AMD Ryzen 9 7845HX	AMD Ryzen 9 7900X
PassMark CPU Mark	44,209	51,20616% 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 AMD Ryzen 9 7845HX vs AMD Ryzen 9 7900X comparison

They are closely matched: AMD Ryzen 9 7845HX scores 79/100 and AMD Ryzen 9 7900X scores 79/100 in our overall comparison — within 1 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

AMD Ryzen 9 7845HX and AMD Ryzen 9 7900X 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 79/100 for AMD Ryzen 9 7845HX and 79/100 for AMD Ryzen 9 7900X.

It's close — AMD Ryzen 9 7845HX (79/100) and AMD Ryzen 9 7900X (79/100) 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.