Core i9-11900KF vs EPYC 7351P

Core i9-11900KF vs EPYC 7351P Performance Spectrum

Core i9-11900KF

8 / 16

24,585

0.0%

24,871

+1.2%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i9-11900KF vs EPYC 7351P FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-11900KF vs EPYC 7351P: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-11900KF

2021

Why buy it

✅Better for gaming: +21.8% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 125W instead of 155W, a 30W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (24,585 vs 24,871).
❌Smaller total L3 cache (16 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7351P, which brings 16 cores / 32 threads.
❌Launch MSRP is still $513 MSRP, while EPYC 7351P mostly shows up through inconsistent older-market listings.

EPYC 7351P

2017

Why buy it

✅+1.2% higher PassMark.
✅+300% larger total L3 cache (64 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900KF across 50 shared CPU benchmark tests.
❌24% higher power demand at 155W vs 125W.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Core i9-11900KF better than EPYC 7351P?

Not really, because they are built for different jobs. EPYC 7351P makes more sense for workstation-style multi-core throughput, while Core i9-11900KF is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, EPYC 7351P is the stronger fit. You are getting 1.2% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 300% larger total L3 cache (64 MB vs 16 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-11900KF is the better buy right now. Core i9-11900KF comes in at an unclear MSRP at $513 MSRP versus unclear MSRP, and it still gives you a 21.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7351P is still stronger for heavier multi-core work with 1.2% better PassMark. It is also 100.0% better value on MSRP (47.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i9-11900KF makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Core i9-11900KF vs EPYC 7351P Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-11900KF

The Core i9-11900KF is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 24,585 points. Launch price was $299.

EPYC 7351P

The EPYC 7351P is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 24,871 points. Launch price was $750.

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Processing Power

The Core i9-11900KF packs 8 cores / 16 threads, while the EPYC 7351P offers 16 cores / 32 threads — the EPYC 7351P has 8 more cores. Boost clocks reach 5.2 GHz on the Core i9-11900KF versus 2.9 GHz on the EPYC 7351P — a 56.8% clock advantage for the Core i9-11900KF (base: 3.5 GHz vs 2.4 GHz). The Core i9-11900KF uses the Rocket Lake (2021) architecture (14 nm), while the EPYC 7351P uses Naples (2017−2018) (14 nm). In PassMark, the Core i9-11900KF scores 24,585 against the EPYC 7351P's 24,871 — a 1.2% lead for the EPYC 7351P. L3 cache: 16 MB (total) on the Core i9-11900KF vs 64 MB (total) on the EPYC 7351P.

Feature	Core i9-11900KF	EPYC 7351P
Cores / Threads	8 / 16	16 / 32+100%
Boost Clock	5.2 GHz+79%	2.9 GHz
Base Clock	3.5 GHz+46%	2.4 GHz
L3 Cache	16 MB (total)	64 MB (total)+300%
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	14 nm
Architecture	Rocket Lake (2021)	Naples (2017−2018)
PassMark	24,585	24,871+1%
Cinebench R23 Multi	15,500	—

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Memory & Platform

The Core i9-11900KF uses the LGA1200 socket (PCIe 4.0), while the EPYC 7351P uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.