EPYC 7551 vs Ryzen 7 5800

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 7551

2017

Why buy it

✅+0.4% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800 across 4 shared CPU benchmark tests.
❌176.9% higher power demand at 180W vs 65W.

Ryzen 7 5800

2020

Why buy it

✅Better for gaming: +30.5% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 65W instead of 180W, a 115W reduction.
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (25,735 vs 25,844).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551, which brings 32 cores / 64 threads.
❌Launch MSRP is still $349 MSRP, while EPYC 7551 mostly shows up through inconsistent older-market listings.

EPYC 7551

2017

Ryzen 7 5800

2020

Why buy it

✅+0.4% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads.

Why buy it

✅Better for gaming: +30.5% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 65W instead of 180W, a 115W reduction.
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800 across 4 shared CPU benchmark tests.
❌176.9% higher power demand at 180W vs 65W.

Trade-offs

❌Lower PassMark (25,735 vs 25,844).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7551, which brings 32 cores / 64 threads.
❌Launch MSRP is still $349 MSRP, while EPYC 7551 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Ryzen 7 5800 better than EPYC 7551?

Not in a simple one-size-fits-all way. EPYC 7551 makes more sense for workstation-style multi-core throughput, while Ryzen 7 5800 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 7551 is the better fit. You are getting 0.4% 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 5800 is the smarter buy today. Ryzen 7 5800 is at an unclear MSRP at $349 MSRP versus unclear MSRP, and it gives you a 30.5% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that EPYC 7551 is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 100.0% better value on MSRP (73.7 vs 0.0 PassMark/$), 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 5800 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 7551 Benchmark Check

Ryzen 7 5800 Benchmark Check

Path of Exile 2

Preset	EPYC 7551	Ryzen 7 5800
1080p
low	187 FPS	166 FPS
medium	165 FPS	136 FPS
high	132 FPS	119 FPS
ultra	105 FPS	96 FPS
1440p
low	153 FPS	145 FPS
medium	127 FPS	116 FPS
high	97 FPS	98 FPS
ultra	78 FPS	79 FPS
4K
low	71 FPS	80 FPS
medium	63 FPS	69 FPS
high	48 FPS	55 FPS
ultra	39 FPS	44 FPS

Open EPYC 7551 Open Ryzen 7 5800

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7551	Ryzen 7 5800
1080p
low	207 FPS	643 FPS
medium	188 FPS	541 FPS
high	160 FPS	441 FPS
ultra	131 FPS	397 FPS
1440p
low	178 FPS	551 FPS
medium	163 FPS	477 FPS
high	141 FPS	401 FPS
ultra	111 FPS	345 FPS
4K
low	112 FPS	342 FPS
medium	103 FPS	299 FPS
high	92 FPS	273 FPS
ultra	75 FPS	241 FPS

Open EPYC 7551 Open Ryzen 7 5800

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7551	Ryzen 7 5800
1080p
low	620 FPS	643 FPS
medium	518 FPS	547 FPS
high	466 FPS	497 FPS
ultra	399 FPS	425 FPS
1440p
low	517 FPS	558 FPS
medium	432 FPS	460 FPS
high	378 FPS	419 FPS
ultra	325 FPS	358 FPS
4K
low	383 FPS	405 FPS
medium	308 FPS	325 FPS
high	270 FPS	294 FPS
ultra	220 FPS	231 FPS

Open EPYC 7551 Open Ryzen 7 5800

League of Legends

League of Legends

Valorant

Preset	EPYC 7551	Ryzen 7 5800
1080p
low	646 FPS	643 FPS
medium	646 FPS	643 FPS
high	646 FPS	643 FPS
ultra	561 FPS	643 FPS
1440p
low	646 FPS	643 FPS
medium	584 FPS	643 FPS
high	500 FPS	622 FPS
ultra	420 FPS	536 FPS
4K
low	475 FPS	556 FPS
medium	427 FPS	502 FPS
high	375 FPS	447 FPS
ultra	320 FPS	391 FPS

Open EPYC 7551 Open Ryzen 7 5800

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

EPYC 7551

The EPYC 7551 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: 25,844 points. Launch price was $3,400.

Ryzen 7 5800

The Ryzen 7 5800 is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (2020−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 25,735 points. Launch price was $299.

⚡

Processing Power

The EPYC 7551 packs 32 cores / 64 threads, while the Ryzen 7 5800 offers 8 cores / 16 threads — the EPYC 7551 has 24 more cores. Boost clocks reach 3 GHz on the EPYC 7551 versus 4.6 GHz on the Ryzen 7 5800 — a 42.1% clock advantage for the Ryzen 7 5800 (base: 2 GHz vs 3.4 GHz). The EPYC 7551 uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 5800 uses Vermeer (2020−2025) (7 nm, 12 nm). In PassMark, the EPYC 7551 scores 25,844 against the Ryzen 7 5800's 25,735 — a 0.4% lead for the EPYC 7551. L3 cache: 64 MB (total) on the EPYC 7551 vs 32 MB on the Ryzen 7 5800.

Feature	EPYC 7551	Ryzen 7 5800
Cores / Threads	32 / 64+300%	8 / 16
Boost Clock	3 GHz	4.6 GHz+53%
Base Clock	2 GHz	3.4 GHz+70%
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 (2020−2025)
PassMark	25,844	25,735