AMD Ryzen Threadripper 3990X vs AMD EPYC 7443

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 82/100 to the AMD EPYC 7443's 66, leading on Core Specifications and Benchmark. Choose the AMD EPYC 7443 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 7443

Why it stands out

Core Specifications L2 Cache: 32 MB (167% more)
Core Specifications L3 Cache: 256 MB (100% more)
Core Specifications Cores: 64

Winner by category for AMD Ryzen Threadripper 3990X vs AMD EPYC 7443
Category	AMD Ryzen Threadripper 3990X	AMD EPYC 7443	Winner
Core Specifications	69	46	AMD Ryzen Threadripper 3990X
Integrated Graphics	0	0	Tie
Benchmark	89	76	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 7443

The AMD EPYC 7443 is a 24-core, 48-thread enterprise processor designed for server and high-performance workstation platforms. Built on a 7nm lithography process, it offers a base clock speed of 2.9 GHz alongside a maximum boost frequency of 4.0 GHz and 128 MB of L3 cache. With a fixed power consumption profile of 200W, it delivers substantial parallel computing throughput for data-intensive business environments.

Best for Server virtualization and high-density enterprise container deploymentBest for Heavily multi-threaded technical workloads and data processing pipelines

Pros

High multi-threaded performance supported by 24 cores and 48 threads
Large 128 MB L3 cache aids memory-sensitive compute workloads
Reaches boost clock speeds up to 4.0 GHz within a modest 200W power envelope

Cons

No integrated graphics capability, requiring a discrete GPU or management controller for display output
Locked clock multiplier restricts manual performance tuning or 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 Threadripper 3990X

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AMD EPYC 7443

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Performance

Higher benchmark score = faster

AMD Ryzen Threadripper 3990X79,592

AMD EPYC 744356,884

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 7443
Cores	64	24
Threads	128	48
Base Frequency	2.9 GHz	2.9 GHz
Base Power Consumption	280 W40% more	200 W
Maximum Frequency	4.3 GHz7% more	4 GHz
Maximum Power Consumption	N/A	200 W
L1 Cache	N/A	N/A
L2 Cache	32 MB167% more	12 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 7443
Model	N/A	N/A

Benchmark

Feature	AMD Ryzen Threadripper 3990X	AMD EPYC 7443
PassMark CPU Mark	79,59240% more	56,884

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 7443 comparison

Based on our overall comparison score, AMD Ryzen Threadripper 3990X rates higher at 92/100 versus 83/100 for AMD EPYC 7443 — a 9-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 7443 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 83/100 for AMD EPYC 7443.

If you want the higher-rated cpus option overall, AMD Ryzen Threadripper 3990X (92/100) edges out AMD EPYC 7443 (83/100). But if AMD EPYC 7443 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.