AMD Ryzen 9 7945HX vs AMD EPYC 7543P

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

For most buyers the AMD EPYC 7543P is the better pick — it scores 82/100 to the AMD Ryzen 9 7945HX's 64, leading on Benchmark. Choose the AMD Ryzen 9 7945HX instead if you want to spend less.

Verdict

Our overall take, at a glance

AMD EPYC 7543P leads overall

AMD EPYC 7543P

AMD Ryzen 9 7945HX

Why it stands out

Core Specifications Cores: 32
Core Specifications Threads: 64
Core Specifications Base Frequency: 2.8 GHz (12% more)

Winner by category for AMD Ryzen 9 7945HX vs AMD EPYC 7543P
Category	AMD EPYC 7543P	AMD Ryzen 9 7945HX	Winner
Core Specifications	55	57	Tie
Integrated Graphics	0	0	Tie
Benchmark	96	68	AMD EPYC 7543P

In-depth analysisAI

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

AMD Ryzen 9 7945HX

The AMD Ryzen 9 7945HX is an x86-64 microprocessor manufactured by AMD. Ryzen processors, which include the Ryzen 9 series, are based on the Zen microarchitecture. Mobile processors with the HX suffix are noted among these products.

AMD EPYC 7543P

The AMD EPYC 7543P is a 32-core server processor built on the Zen 3-based 'Milan' architecture. It is designed specifically for single-socket (1P) configurations, aiming to deliver high-density computing performance and efficiency for data centers without the added complexity of multi-socket setups.

Best for Single-socket enterprise servers aiming to maximize compute density while…Best for Virtualization environments looking to optimize costs associated with…

Pros

High-density performance featuring 32 cores optimized for single-processor configurations
Strong power efficiency and architectural advantages of the EPYC Milan generation
Helps lower software licensing costs that are charged on a per-socket basis

Cons

Limited strictly to single-socket systems, offering no pathway for dual-socket scale-up
Faces strong price and performance competition from alternative architectures like Intel's Ice Lake

Value for Money

Which is the better deal for the price

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AMD Ryzen 9 7945HX

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AMD EPYC 7543P

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Performance

Higher benchmark score = faster

AMD Ryzen 9 7945HX53,741

AMD EPYC 7543P66,590

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 7945HX	AMD EPYC 7543P
Cores	16	32
Threads	32	64
Base Frequency	2.5 GHz	2.8 GHz12% more
Base Power Consumption	55 W	225 W309% more
Maximum Frequency	5.4 GHz46% more	3.7 GHz
Maximum Power Consumption	75 W	240 W220% more
L1 Cache	1,024 KB	2,048 KB100% more
L2 Cache	16 MB	16 MB
L3 Cache	64 MB	256 MB300% more
Lithography Process	5 nm	N/A
Is unlocked	Yes	N/A

Integrated Graphics

Feature	AMD Ryzen 9 7945HX	AMD EPYC 7543P
Model	N/A	N/A

Benchmark

Feature	AMD Ryzen 9 7945HX	AMD EPYC 7543P
PassMark CPU Mark	53,741	66,59024% 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 7945HX vs AMD EPYC 7543P comparison

Based on our overall comparison score, AMD Ryzen 9 7945HX rates higher at 90/100 versus 86/100 for AMD EPYC 7543P — a 4-point lead. AMD Ryzen 9 7945HX is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

AMD Ryzen 9 7945HX and AMD EPYC 7543P 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 90/100 for AMD Ryzen 9 7945HX and 86/100 for AMD EPYC 7543P.

If you want the higher-rated cpus option overall, AMD Ryzen 9 7945HX (90/100) edges out AMD EPYC 7543P (86/100). But if AMD EPYC 7543P is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.