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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 7551P

2017

Why buy it

✅+37.5% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 24.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 18.1 vs 61.7 PassMark/$ ($2,100 MSRP vs $449 MSRP).
❌71.4% higher power demand at 180W vs 105W.

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +40.8% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,651 less on MSRP ($449 MSRP vs $2,100 MSRP).
✅Delivers 240.1% more PassMark for each dollar spent, at 61.7 vs 18.1 PassMark/$ ($449 MSRP vs $2,100 MSRP).
✅Draws 105W instead of 180W, a 75W reduction.

Trade-offs

❌Lower PassMark (27,712 vs 38,111).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551P, which brings 32 cores / 64 threads and 128 PCIe lanes.

EPYC 7551P

2017

Ryzen 7 5800X

2020

Why buy it

✅+37.5% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 24.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +40.8% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,651 less on MSRP ($449 MSRP vs $2,100 MSRP).
✅Delivers 240.1% more PassMark for each dollar spent, at 61.7 vs 18.1 PassMark/$ ($449 MSRP vs $2,100 MSRP).
✅Draws 105W instead of 180W, a 75W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 18.1 vs 61.7 PassMark/$ ($2,100 MSRP vs $449 MSRP).
❌71.4% higher power demand at 180W vs 105W.

Trade-offs

❌Lower PassMark (27,712 vs 38,111).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551P, which brings 32 cores / 64 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 7 5800X better than EPYC 7551P?

Not in a simple one-size-fits-all way. EPYC 7551P makes more sense for workstation-style multi-core throughput, while Ryzen 7 5800X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, EPYC 7551P is the better fit. You are getting 37.5% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

Ryzen 7 5800X is the smarter buy today. Ryzen 7 5800X is $1,651 cheaper on MSRP at $449 MSRP versus $2,100 MSRP, and it gives you a 40.8% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that EPYC 7551P is still stronger for heavier multi-core work with 37.5% better PassMark. It is also 240.1% better value on MSRP (61.7 vs 18.1 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Ryzen 7 5800X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017). That makes it the safer long-term pick.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

EPYC 7551P Benchmark Check

Ryzen 7 5800X Benchmark Check

Path of Exile 2

Preset	EPYC 7551P	Ryzen 7 5800X
1080p
low	187 FPS	206 FPS
medium	165 FPS	178 FPS
high	132 FPS	146 FPS
ultra	105 FPS	110 FPS
1440p
low	153 FPS	170 FPS
medium	127 FPS	142 FPS
high	97 FPS	115 FPS
ultra	78 FPS	88 FPS
4K
low	71 FPS	83 FPS
medium	63 FPS	74 FPS
high	48 FPS	59 FPS
ultra	39 FPS	46 FPS

Open EPYC 7551P Open Ryzen 7 5800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7551P	Ryzen 7 5800X
1080p
low	207 FPS	662 FPS
medium	188 FPS	558 FPS
high	160 FPS	466 FPS
ultra	131 FPS	417 FPS
1440p
low	178 FPS	563 FPS
medium	163 FPS	493 FPS
high	141 FPS	423 FPS
ultra	111 FPS	361 FPS
4K
low	112 FPS	350 FPS
medium	103 FPS	308 FPS
high	92 FPS	288 FPS
ultra	75 FPS	250 FPS

Open EPYC 7551P Open Ryzen 7 5800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7551P	Ryzen 7 5800X
1080p
low	620 FPS	693 FPS
medium	518 FPS	651 FPS
high	466 FPS	570 FPS
ultra	399 FPS	464 FPS
1440p
low	517 FPS	693 FPS
medium	432 FPS	573 FPS
high	378 FPS	498 FPS
ultra	325 FPS	413 FPS
4K
low	383 FPS	484 FPS
medium	308 FPS	410 FPS
high	270 FPS	363 FPS
ultra	220 FPS	302 FPS

Open EPYC 7551P Open Ryzen 7 5800X

League of Legends

League of Legends

Valorant

Preset	EPYC 7551P	Ryzen 7 5800X
1080p
low	834 FPS	693 FPS
medium	758 FPS	693 FPS
high	651 FPS	693 FPS
ultra	561 FPS	693 FPS
1440p
low	667 FPS	693 FPS
medium	584 FPS	693 FPS
high	500 FPS	672 FPS
ultra	420 FPS	593 FPS
4K
low	475 FPS	604 FPS
medium	427 FPS	550 FPS
high	375 FPS	495 FPS
ultra	320 FPS	436 FPS

Open EPYC 7551P Open Ryzen 7 5800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7551P and Ryzen 7 5800X

EPYC 7551P

The EPYC 7551P 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 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 38,111 points. Launch price was $2,100.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

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Processing Power

The EPYC 7551P packs 32 cores / 64 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the EPYC 7551P has 24 more cores. Boost clocks reach 3 GHz on the EPYC 7551P versus 4.7 GHz on the Ryzen 7 5800X — a 44.2% clock advantage for the Ryzen 7 5800X (base: 2 GHz vs 3.8 GHz). The EPYC 7551P uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 7551P scores 38,111 against the Ryzen 7 5800X's 27,712 — a 31.6% lead for the EPYC 7551P. L3 cache: 64 MB (total) on the EPYC 7551P vs 32 MB on the Ryzen 7 5800X.

Feature	EPYC 7551P	Ryzen 7 5800X
Cores / Threads	32 / 64+300%	8 / 16
Boost Clock	3 GHz	4.7 GHz+57%
Base Clock	2 GHz	3.8 GHz+90%
L3 Cache	64 MB (total)+100%	32 MB
L2 Cache	512K (per core)	512K (per core)
Process	14 nm	7 nm, 12 nm-50%
Architecture	Naples (2017−2018)	Vermeer (Zen 3) (2020−2022)
PassMark	38,111+38%	27,712

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Memory & Platform

The EPYC 7551P uses the TR4 socket (PCIe 4.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7551P versus DDR4-3200 on the Ryzen 7 5800X — the EPYC 7551P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7551P supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 8 (EPYC 7551P) vs 2 (Ryzen 7 5800X). PCIe lanes: 128 (EPYC 7551P) vs 24 (Ryzen 7 5800X) — the EPYC 7551P offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7551P) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).

Feature	EPYC 7551P	Ryzen 7 5800X
Socket	TR4	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	2666+66550%	DDR4-3200
Max RAM Capacity	2048	128 GB+6553500%
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+433%	24

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Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 7551P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, IOMMU (EPYC 7551P) vs AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop. Direct competitor: EPYC 7551P rivals Xeon Platinum 8160.

Feature	EPYC 7551P	Ryzen 7 5800X
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	Yes
AVX-512	Yes	No
Virtualization	AMD-V, IOMMU	AMD-V
Target Use	—	Desktop

💰

Value Analysis

The EPYC 7551P launched at $2100 MSRP, while the Ryzen 7 5800X debuted at $449. On MSRP ($2100 vs $449), the Ryzen 7 5800X is $1651 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7551P delivers 18.1 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 109.1% better value option.