EPYC 7351 vs Ryzen 9 5980HX

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.

EPYC 7351 vs Ryzen 9 5980HX 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.

EPYC 7351 vs Ryzen 9 5980HX: Pros, Cons & Final Verdict

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

EPYC 7351

2017

Why buy it

✅+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 Ryzen 9 5980HX across 50 shared CPU benchmark tests.
❌Lower PassMark (23,226 vs 23,300).
❌244.4% higher power demand at 155W vs 45W.
❌No integrated graphics, while Ryzen 9 5980HX can still boot and troubleshoot without a discrete GPU.

Ryzen 9 5980HX

2021

Why buy it

✅Better for gaming: +5.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 155W, a 110W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon Graphics (8CU), while EPYC 7351 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (16 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7351, which brings 16 cores / 32 threads.

Quick Answers

So, is Ryzen 9 5980HX 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 Ryzen 9 5980HX is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5980HX is the better pick. According to our tests, it delivers 5.7% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 5980HX is the stronger fit. You are getting 0.3% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 9 5980HX still makes the most sense overall. Ryzen 9 5980HX comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 5.7% average FPS lead across 50 shared CPU game tests in our data.

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

Ryzen 9 5980HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017) and more multi-core headroom with 8 cores / 16 threads instead of 16/32. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

EPYC 7351 vs Ryzen 9 5980HX Technical Specifications

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

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.

Ryzen 9 5980HX

The Ryzen 9 5980HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-HX (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 23,300 points. Launch price was $299.

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Processing Power

The EPYC 7351 packs 16 cores / 32 threads, while the Ryzen 9 5980HX offers 8 cores / 16 threads — the EPYC 7351 has 8 more cores. Boost clocks reach 2.9 GHz on the EPYC 7351 versus 4.8 GHz on the Ryzen 9 5980HX — a 49.4% clock advantage for the Ryzen 9 5980HX (base: 2.4 GHz vs 3.3 GHz). The EPYC 7351 uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 9 5980HX uses Cezanne-HX (Zen 3) (2021) (7 nm). In PassMark, the EPYC 7351 scores 23,226 against the Ryzen 9 5980HX's 23,300 — a 0.3% lead for the Ryzen 9 5980HX. L3 cache: 64 MB (total) on the EPYC 7351 vs 16 MB (total) on the Ryzen 9 5980HX.

Feature	EPYC 7351	Ryzen 9 5980HX
Cores / Threads	16 / 32+100%	8 / 16
Boost Clock	2.9 GHz	4.8 GHz+66%
Base Clock	2.4 GHz	3.3 GHz+38%
L3 Cache	64 MB (total)+300%	16 MB (total)
L2 Cache	512K (per core)	512 kB (per core)
Process	14 nm	7 nm-50%
Architecture	Naples (2017−2018)	Cezanne-HX (Zen 3) (2021)
PassMark	23,226	23,300

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Memory & Platform

The EPYC 7351 uses the TR4 socket (PCIe 4.0), while the Ryzen 9 5980HX uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	EPYC 7351	Ryzen 9 5980HX
Socket	TR4	FP6
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	—	LPDDR4-4266
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	No
PCIe Lanes	—	16

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Advanced Features

Virtualization: not specified (EPYC 7351) / AMD-V (Ryzen 9 5980HX). The Ryzen 9 5980HX includes integrated graphics (Radeon Graphics (8CU)), while the EPYC 7351 requires a dedicated GPU. Primary use case: Ryzen 9 5980HX targets Mobile High-End.