AMD Ryzen Threadripper PRO 5975WX vs AMD EPYC 7643

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

For most buyers the AMD EPYC 7643 is the better pick — it scores 80/100 to the AMD Ryzen Threadripper PRO 5975WX's 70, leading on Core Specifications. Choose the AMD Ryzen Threadripper PRO 5975WX instead if you want to spend less.

Verdict

Our overall take, at a glance

AMD EPYC 7643 leads overall

AMD EPYC 7643

AMD Ryzen Threadripper PRO 5975WX

Why it stands out

L3 Cache: 256 MB (100% more)
Core Specifications Cores: 48
Core Specifications Threads: 96

Winner by category for AMD Ryzen Threadripper PRO 5975WX vs AMD EPYC 7643
Category	AMD EPYC 7643	AMD Ryzen Threadripper PRO 5975WX	Winner
Core Specifications	71	39	AMD EPYC 7643
Integrated Graphics	0	0	Tie
Benchmark	85	85	Tie

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 PRO 5975WX

The AMD Ryzen Threadripper PRO 5975WX is part of the wider line of Ryzen processors, which are x86-64 microprocessors manufactured by AMD based on the Zen microarchitecture. The processor family includes chips like Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen Threadripper, supporting up to 96 cores.

Pros

Supports Simultaneous Multithreading (SMT)

AMD EPYC 7643

The AMD EPYC 7643 is a high-density enterprise server processor designed for data centers and virtualized environments. Built on a 7nm process, it features 48 cores and 96 threads alongside a massive 256 MB L3 cache. Operating at a base frequency of 2.3 GHz with a maximum boost of 3.6 GHz, this chip balances heavy parallel compute capabilities with a standard 225W power envelope.

Best for High-density server virtualization and multi-tenant cloud infrastructureBest for Data-intensive compute clusters utilizing large L3 cache access

Pros

High core density with 48 cores and 96 threads for massive multi-threaded throughput
Generous 256 MB L3 cache to support memory-bound enterprise workloads
Reasonable power draw with a 225W base TDP and 240W maximum limit

Cons

Modest 2.3 GHz base clock speed can limit performance in single-threaded tasks
No integrated graphics capability
Locked CPU multiplier prevents manual frequency tuning

Value for Money

Which is the better deal for the price

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AMD Ryzen Threadripper PRO 5975WX

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AMD EPYC 7643

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Performance

Higher benchmark score = faster

AMD Ryzen Threadripper PRO 5975WX75,043

AMD EPYC 764376,259

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 Threadripper PRO 5975WX	AMD EPYC 7643
Cores	32	48
Threads	64	96
Base Frequency	3.6 GHz57% more	2.3 GHz
Base Power Consumption	280 W24% more	225 W
Maximum Frequency	4.5 GHz25% more	3.6 GHz
Maximum Power Consumption	N/A	240 W
L1 Cache	2,048 KB	3,072 KB50% more
L2 Cache	16 MB	24 MB50% more
L3 Cache	128 MB	256 MB100% more
Lithography Process	7 nm	7 nm
Is unlocked	Yes	N/A

Integrated Graphics

Feature	AMD Ryzen Threadripper PRO 5975WX	AMD EPYC 7643
Model	N/A	N/A

Benchmark

Feature	AMD Ryzen Threadripper PRO 5975WX	AMD EPYC 7643
PassMark CPU Mark	75,043	76,259

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 PRO 5975WX vs AMD EPYC 7643 comparison

They are closely matched: AMD Ryzen Threadripper PRO 5975WX scores 91/100 and AMD EPYC 7643 scores 89/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

AMD Ryzen Threadripper PRO 5975WX and AMD EPYC 7643 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 Threadripper PRO 5975WX and 89/100 for AMD EPYC 7643.

It's close — AMD Ryzen Threadripper PRO 5975WX (91/100) and AMD EPYC 7643 (89/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.