AMD Ryzen 9 9955HX3D vs AMD EPYC 7343

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

For most buyers the AMD Ryzen 9 9955HX3D is the better pick — it scores 81/100 to the AMD EPYC 7343's 57, leading on Core Specifications and Benchmark. Choose the AMD EPYC 7343 instead if you want to spend less.

Verdict

Our overall take, at a glance

AMD Ryzen 9 9955HX3D leads overall

AMD Ryzen 9 9955HX3D

AMD EPYC 7343

Why it stands out

Core Specifications L2 Cache: 16 MB (100% more)
Core Specifications Lithography Process: 4 nm (43% less)
Benchmark PassMark CPU Mark: 62,152 (42% more)

Winner by category for AMD Ryzen 9 9955HX3D vs AMD EPYC 7343
Category	AMD Ryzen 9 9955HX3D	AMD EPYC 7343	Winner
Core Specifications	67	34	AMD Ryzen 9 9955HX3D
Integrated Graphics	0	0	Tie
Benchmark	88	68	AMD Ryzen 9 9955HX3D

In-depth analysisAI

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

AMD Ryzen 9 9955HX3D

The AMD Ryzen 9 9955HX3D is a high-end flagship mobile processor designed for enthusiast gaming laptops and heavy mobile workstations. Utilizing AMD's Zen 5 architecture along with 3D V-Cache technology, it offers high clock speeds and an unlocked multiplier for user tuning. It is built for gamers and creative professionals who need desktop-grade computational performance in a portable form factor.

Best for Enthusiast high-frame-rate mobile gamingBest for Heavy multi-threaded mobile productivity like 3D rendering and video compilation

Pros

Incorporates 3D V-Cache technology to significantly enhance frame rates in cache-sensitive games
Unlocked multiplier on the HX platform permits performance tuning and overclocking
Based on the Zen 5 architecture for high instruction-per-clock efficiency

Cons

High power draw and thermal demands require thick, heavy laptop cooling designs
Requires a high-end discrete GPU to avoid bottlenecks in graphically intensive workloads

AMD EPYC 7343

The AMD EPYC 7343 is a 16-core, 32-thread server processor designed for data centers and enterprise server deployments. Built on a 7nm lithography process, it features a base frequency of 3.2 GHz with a boost clock of up to 3.9 GHz and includes 128 MB of L3 cache. It targets mid-density server workloads that benefit from high per-core clock speeds combined with robust multi-threading.

Best for Enterprise virtualization servers requiring high core clock speedsBest for Data center workloads that depend heavily on large pool memory caches

Pros

High 3.2 GHz base clock speed for clock-sensitive server applications
Generous 128 MB L3 cache to assist memory-bound server workloads
Solid multi-threaded execution with 16 cores and 32 threads

Cons

High baseline power consumption of 165 W reaching up to 200 W under max load
Lacks integrated graphics processing

Value for Money

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AMD Ryzen 9 9955HX3D

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AMD EPYC 7343

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Performance

Higher benchmark score = faster

AMD Ryzen 9 9955HX3D62,152

AMD EPYC 734343,778

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 9955HX3D	AMD EPYC 7343
Cores	16	16
Threads	32	32
Base Frequency	2.5 GHz	3.2 GHz28% more
Base Power Consumption	55 W	190 W245% more
Maximum Frequency	5.4 GHz38% more	3.9 GHz
Maximum Power Consumption	75 W	200 W167% more
L1 Cache	1,280 KB	2,048 KB60% more
L2 Cache	16 MB100% more	8 MB
L3 Cache	128 MB	128 MB
Lithography Process	4 nm43% less	7 nm
Is unlocked	Yes	N/A

Integrated Graphics

Feature	AMD Ryzen 9 9955HX3D	AMD EPYC 7343
Model	N/A	N/A

Benchmark

Feature	AMD Ryzen 9 9955HX3D	AMD EPYC 7343
PassMark CPU Mark	62,15242% more	43,778

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 9955HX3D vs AMD EPYC 7343 comparison

Based on our overall comparison score, AMD Ryzen 9 9955HX3D rates higher at 91/100 versus 75/100 for AMD EPYC 7343 — a 16-point lead. AMD Ryzen 9 9955HX3D 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 9955HX3D and AMD EPYC 7343 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 91/100 for AMD Ryzen 9 9955HX3D and 75/100 for AMD EPYC 7343.

If you want the higher-rated cpus option overall, AMD Ryzen 9 9955HX3D (91/100) edges out AMD EPYC 7343 (75/100). But if AMD EPYC 7343 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.