AMD Ryzen Threadripper 3990X vs AMD EPYC 7343

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

For most buyers the AMD Ryzen Threadripper 3990X is the better pick — it scores 84/100 to the AMD EPYC 7343's 60, 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 Threadripper 3990X leads overall

AMD Ryzen Threadripper 3990X

AMD EPYC 7343

Why it stands out

Core Specifications L2 Cache: 32 MB (300% more)
Core Specifications L3 Cache: 256 MB (100% more)
Benchmark PassMark CPU Mark: 79,592 (82% more)

Winner by category for AMD Ryzen Threadripper 3990X vs AMD EPYC 7343
Category	AMD Ryzen Threadripper 3990X	AMD EPYC 7343	Winner
Core Specifications	69	50	AMD Ryzen Threadripper 3990X
Integrated Graphics	0	0	Tie
Benchmark	92	65	AMD Ryzen Threadripper 3990X

In-depth analysisAI

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

AMD Ryzen Threadripper 3990X

The AMD Ryzen Threadripper 3990X is a high-core count, x86-64 microprocessor designed for demanding professional computing tasks. It belongs to AMD's line of robust desktop processors, making it suitable for users needing extensive computational power. Its architecture focuses on scalability and performance over standard consumer usage.

Best for Workstation PCsBest for Video EditingBest for Scientific Simulation

Pros

Designed as a high-end processor, suggesting superior multi-threaded capability (general knowledge).
It is classified within the Threadripper segment, known for its suitability in complex professional workstations.
The overall line of processors includes various generation identifiers through history, indicating continuous development and specialization into compute tasks.

Cons

Being a high-power workstation chip often requires more complex cooling solutions than standard CPUs (general knowledge).
Its specific focus on professional work and core count places it at the higher end of the market spectrum.

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

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 Threadripper 3990X

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AMD EPYC 7343

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Performance

Higher benchmark score = faster

AMD Ryzen Threadripper 3990X79,592

AMD EPYC 734343,778

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 Threadripper 3990X	AMD EPYC 7343
Cores	64	16
Threads	128	32
Base Frequency	2.9 GHz	3.2 GHz10% more
Base Power Consumption	280 W47% more	190 W
Maximum Frequency	4.3 GHz10% more	3.9 GHz
Maximum Power Consumption	N/A	200 W
L1 Cache	N/A	2,048 KB
L2 Cache	32 MB300% more	8 MB
L3 Cache	256 MB100% more	128 MB
Lithography Process	7 nm	7 nm
Is unlocked	Yes	N/A

Integrated Graphics

Feature	AMD Ryzen Threadripper 3990X	AMD EPYC 7343
Model	N/A	N/A

Benchmark

Feature	AMD Ryzen Threadripper 3990X	AMD EPYC 7343
PassMark CPU Mark	79,59282% 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 Threadripper 3990X vs AMD EPYC 7343 comparison

Based on our overall comparison score, AMD Ryzen Threadripper 3990X rates higher at 92/100 versus 75/100 for AMD EPYC 7343 — a 17-point lead. AMD Ryzen Threadripper 3990X 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 Threadripper 3990X 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 92/100 for AMD Ryzen Threadripper 3990X and 75/100 for AMD EPYC 7343.

If you want the higher-rated cpus option overall, AMD Ryzen Threadripper 3990X (92/100) 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.