AMD Ryzen Threadripper PRO 3955WX vs Intel Core i9 12900KS

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

For most buyers the Intel Core i9 12900KS is the better pick — it scores 67/100 to the AMD Ryzen Threadripper PRO 3955WX's 61, leading on Core Specifications and Integrated Graphics. Choose the AMD Ryzen Threadripper PRO 3955WX instead if you want to spend less.

Verdict

Our overall take, at a glance

Intel Core i9 12900KS leads overall

Intel Core i9 12900KS

AMD Ryzen Threadripper PRO 3955WX

Why it stands out

Core Specifications L2 Cache: 14 MB (75% more)
Core Specifications L1 Cache: 1,408 KB (38% more)
Core Specifications Maximum Frequency: 5.5 GHz (28% more)

Winner by category for AMD Ryzen Threadripper PRO 3955WX vs Intel Core i9 12900KS
Category	Intel Core i9 12900KS	AMD Ryzen Threadripper PRO 3955WX	Winner
Core Specifications	60	48	Intel Core i9 12900KS
Integrated Graphics	44	0	Intel Core i9 12900KS
Benchmark	73	68	Intel Core i9 12900KS

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 3955WX

The AMD Ryzen Threadripper PRO 3955WX is a professional workstation processor built on a 7nm manufacturing process, featuring 16 cores and 32 threads. Designed for the sWRX8 platform, it operates at a base clock frequency of 3.9 GHz with a max boost frequency of 4.3 GHz. It is targeted at workstation users requiring enterprise-grade compute power and high multi-threaded performance.

Best for Heavy multi-threaded workstation applications on the sWRX8 platformBest for Professional compute tasks requiring high base clock speeds across 16 cores

Pros

High core density with 16 cores and 32 threads for intensive parallel workloads
Solid 3.9 GHz base frequency alongside a 4.3 GHz maximum boost frequency
Generous 64 MB L3 cache to support data-heavy processing

Cons

Substantial power consumption with a 280 W rating
Lacks integrated graphics, requiring a dedicated graphics card
Locked multiplier prevents manual processor overclocking

Intel Core i9 12900KS

The Intel Core i9 12900KS is a top-tier desktop processor designed for the LGA1700 platform, equipped with 16 cores and 24 threads. It features a maximum boost clock frequency of up to 5.5 GHz alongside integrated Intel UHD Graphics 770. Built for enthusiasts and demanding power users, it prioritizes extreme single-core and multi-core performance, though it demands a robust cooling solution to manage its thermal output.

Best for High-framerate PC gaming requiring top-tier single-core clock speedsBest for Demanding multi-threaded tasks such as video rendering and 3D animation

Pros

High peak clock speeds reaching up to 5.5 GHz
16 cores and 24 threads provide strong multi-threaded performance
Unlocked design allows for manual user overclocking
Includes integrated Intel UHD Graphics 770 for display output without a discrete GPU

Cons

High maximum power consumption reaching 241 W under heavy workloads
150 W base power requirement requires substantial thermal management

Official

Official specificationsProvided core technical specifications including core/thread count, clock speeds, cache sizes, power draw ratings, and integrated graphics details.

Video — reviews used (3)

Generated Nov 3, 2026

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 PRO 3955WX

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Intel Core i9 12900KS

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Performance

Higher benchmark score = faster

AMD Ryzen Threadripper PRO 3955WX39,788

Intel Core i9 12900KS43,378

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 3955WX	Intel Core i9 12900KS
Cores	16	16
Threads	32	24
Base Frequency	3.9 GHz15% more	3.4 GHz
Base Power Consumption	280 W87% more	150 W
Maximum Frequency	4.3 GHz	5.5 GHz28% more
Maximum Power Consumption	N/A	241 W
L1 Cache	1,024 KB	1,408 KB38% more
L2 Cache	8 MB	14 MB75% more
L3 Cache	64 MB113% more	30 MB
Lithography Process	7 nm	7 nm
Is unlocked	No	Yes

Integrated Graphics

Feature	AMD Ryzen Threadripper PRO 3955WX	Intel Core i9 12900KS
Model	N/A

Benchmark

Feature	AMD Ryzen Threadripper PRO 3955WX	Intel Core i9 12900KS
PassMark CPU Mark	39,788	43,3789% more

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 3955WX vs Intel Core i9 12900KS comparison

They are closely matched: AMD Ryzen Threadripper PRO 3955WX scores 71/100 and Intel Core i9 12900KS scores 70/100 in our overall comparison — within 1 point. 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 3955WX and Intel Core i9 12900KS 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 71/100 for AMD Ryzen Threadripper PRO 3955WX and 70/100 for Intel Core i9 12900KS.

It's close — AMD Ryzen Threadripper PRO 3955WX (71/100) and Intel Core i9 12900KS (70/100) 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.