AMD Ryzen Threadripper 3990X vs AMD EPYC 7443P

Updated Sep 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 86/100 to the AMD EPYC 7443P's 68, leading on Core Specifications and Benchmark. Choose the AMD EPYC 7443P 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 7443P

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 7443P
Category	AMD Ryzen Threadripper 3990X	AMD EPYC 7443P	Winner
Core Specifications	79	51	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 Sep 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 7443P

The AMD EPYC 7443P is a server-grade processor featuring 24 cores and 48 threads, designed primarily for single-socket enterprise infrastructure. It operates at a 2.9 GHz base frequency and features 128 MB of L3 cache to handle highly parallel server workloads and virtualization tasks.

Best for Single-socket server installations and virtualization environmentsBest for Data-intensive workloads that benefit from a large L3 cache hierarchy

Pros

Excellent multithreaded performance with 24 physical cores and 48 threads
Generous 128 MB L3 cache reduces memory access bottlenecks
Max boost frequency reaches up to 4.0 GHz for responsive peak performance

Cons

Lacks integrated graphics, requiring motherboard-level display capabilities or a discrete graphics card
Power consumption can reach up to 200 watts under maximum load
Locked multiplier prevents manual overclocking of the CPU

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 7443P

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Performance

Higher benchmark score = faster

AMD Ryzen Threadripper 3990X79,592

AMD EPYC 7443P56,984

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 7443P
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	1,536 KB
L2 Cache	32 MB167% more	12 MB
L3 Cache	256 MB100% more	128 MB
Lithography Process	7 nm	N/A
Is unlocked	Yes	N/A

Integrated Graphics

Feature	AMD Ryzen Threadripper 3990X	AMD EPYC 7443P
Model	N/A	N/A

Benchmark

Feature	AMD Ryzen Threadripper 3990X	AMD EPYC 7443P
PassMark CPU Mark	79,59240% more	56,984

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 7443P comparison

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

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