Core i9-7920X vs EPYC 7351

Core i9-7920X vs EPYC 7351 Performance Spectrum

Core i9-7920X

12 / 24

23,508

+1.2%

23,226

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen 9 7945HX3D

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 i9-7920X vs EPYC 7351 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 i9-7920X vs EPYC 7351: Pros, Cons & Final Verdict

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

Core i9-7920X

2017

Why buy it

✅+1.2% higher PassMark.
✅Draws 140W instead of 155W, a 15W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 7351 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (17 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7351, which brings 16 cores / 32 threads.
❌Launch MSRP is still $1,199 MSRP, while EPYC 7351 mostly shows up through inconsistent older-market listings.

EPYC 7351

2017

Why buy it

✅Better for gaming: +13.5% higher average FPS across 50 shared CPU benchmark tests.
✅+287.9% larger total L3 cache (64 MB vs 17 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Lower PassMark (23,226 vs 23,508).

Quick Answers

So, is Core i9-7920X better than EPYC 7351?

Not really, because they are built for different jobs. EPYC 7351 makes more sense for workstation-style multi-core throughput, while Core i9-7920X 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, Core i9-7920X is the stronger fit. You are getting 1.2% better PassMark, backed by 12 cores and 24 threads.

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

Core i9-7920X is the better buy right now. Core i9-7920X comes in at an unclear MSRP at $1,199 MSRP versus unclear MSRP, and it still gives you 1.2% better PassMark. The compromise is that EPYC 7351 is still the better pure gaming CPU with a 13.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

EPYC 7351 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Core i9-7920X vs EPYC 7351 Technical Specifications

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

Core i9-7920X

The Core i9-7920X is manufactured by Intel. It was released in 10 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 4.4 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 23,508 points. Launch price was $1,199.

EPYC 7351

The EPYC 7351 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: 23,226 points. Launch price was $1,100.

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Processing Power

The Core i9-7920X packs 12 cores / 24 threads, while the EPYC 7351 offers 16 cores / 32 threads — the EPYC 7351 has 4 more cores. Boost clocks reach 4.4 GHz on the Core i9-7920X versus 2.9 GHz on the EPYC 7351 — a 41.1% clock advantage for the Core i9-7920X (base: 2.9 GHz vs 2.4 GHz). The Core i9-7920X uses the Skylake (server) (2017−2018) architecture (14 nm), while the EPYC 7351 uses Naples (2017−2018) (14 nm). In PassMark, the Core i9-7920X scores 23,508 against the EPYC 7351's 23,226 — a 1.2% lead for the Core i9-7920X. L3 cache: 16.5 MB (total) on the Core i9-7920X vs 64 MB (total) on the EPYC 7351.

Feature	Core i9-7920X	EPYC 7351
Cores / Threads	12 / 24	16 / 32+33%
Boost Clock	4.4 GHz+52%	2.9 GHz
Base Clock	2.9 GHz+21%	2.4 GHz
L3 Cache	16.5 MB (total)	64 MB (total)+288%
L2 Cache	1 MB (per core)	512K (per core)+51100%
Process	14 nm	14 nm
Architecture	Skylake (server) (2017−2018)	Naples (2017−2018)
PassMark	23,508+1%	23,226

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Memory & Platform

The Core i9-7920X uses the LGA2066 socket (PCIe 3.0), while the EPYC 7351 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.