EPYC 7551 vs Xeon Gold 6142

EPYC 7551 vs Xeon Gold 6142 Performance Spectrum

EPYC 7551

32 / 64

25,844

+1.4%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Xeon Gold 6142

16 / 32

25,490

0.0%

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.

EPYC 7551 vs Xeon Gold 6142 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 7551 vs Xeon Gold 6142: Pros, Cons & Final Verdict

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

EPYC 7551

2017

Why buy it

✅Better for gaming: +6.9% higher average FPS across 50 shared CPU benchmark tests.
✅+190.9% larger total L3 cache (64 MB vs 22 MB).

Trade-offs

❌20% higher power demand at 180W vs 150W.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Gold 6142

2017

Why buy it

✅Draws 150W instead of 180W, a 30W reduction.
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 7551 across 50 shared CPU benchmark tests.
❌Lower PassMark (25,490 vs 25,844).
❌Smaller total L3 cache (22 MB vs 64 MB).

Quick Answers

So, is EPYC 7551 better than Xeon Gold 6142?

Yes. EPYC 7551 is the better all-around CPU here. It gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data and 1.4% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, EPYC 7551 is the better pick. According to our tests, it delivers 6.9% 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, EPYC 7551 is the stronger fit. You are getting 1.4% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 190.9% larger total L3 cache (64 MB vs 22 MB).

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

EPYC 7551 still makes the most sense overall. EPYC 7551 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon Gold 6142 makes more sense long term for 2026 and beyond. You are getting AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

EPYC 7551 vs Xeon Gold 6142 Technical Specifications

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

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.

Xeon Gold 6142

The Xeon Gold 6142 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.6 GHz, with boost up to 3.7 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2666. Passmark benchmark score: 25,490 points. Launch price was $2,946.

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Processing Power

The EPYC 7551 packs 32 cores / 64 threads, while the Xeon Gold 6142 offers 16 cores / 32 threads — the EPYC 7551 has 16 more cores. Boost clocks reach 3 GHz on the EPYC 7551 versus 3.7 GHz on the Xeon Gold 6142 — a 20.9% clock advantage for the Xeon Gold 6142 (base: 2 GHz vs 2.6 GHz). The EPYC 7551 uses the Naples (2017−2018) architecture (14 nm), while the Xeon Gold 6142 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the EPYC 7551 scores 25,844 against the Xeon Gold 6142's 25,490 — a 1.4% lead for the EPYC 7551. L3 cache: 64 MB (total) on the EPYC 7551 vs 22 MB on the Xeon Gold 6142.

Feature	EPYC 7551	Xeon Gold 6142
Cores / Threads	32 / 64+100%	16 / 32
Boost Clock	3 GHz	3.7 GHz+23%
Base Clock	2 GHz	2.6 GHz+30%
L3 Cache	64 MB (total)+191%	22 MB
L2 Cache	512K (per core)+3100%	16 MB
Process	14 nm	14 nm
Architecture	Naples (2017−2018)	Skylake (server) (2017−2018)
PassMark	25,844+1%	25,490

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Memory & Platform

The EPYC 7551 uses the TR4 socket (PCIe 4.0), while the Xeon Gold 6142 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.