EPYC 7543P vs Xeon w7-3555

CPU

GPU

EPYC 7543P

32 Cores64 Thrd225 WWMax: 3.7 GHz2021

EPYC family

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Xeon w7-3555

28 Cores56 Thrd325 WWMax: 4.8 GHz2024

Similar parts

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EPYC 7543P vs Xeon w7-3555 Performance Spectrum

EPYC 7543P

32 / 64

66,590

0.0%

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Xeon w7-3555

28 / 56

67,754

+1.7%

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 7543P vs Xeon w7-3555 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 7543P vs Xeon w7-3555: Pros, Cons & Final Verdict

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

EPYC 7543P

2021

Why buy it

✅+241.3% larger total L3 cache (256 MB vs 75 MB).
✅Costs $19 less on MSRP ($2,730 MSRP vs $2,749 MSRP).
✅Draws 225W instead of 325W, a 100W reduction.
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3555 across 50 shared CPU benchmark tests.
❌Lower PassMark (66,590 vs 67,754).
❌Older platform position on SP3 with DDR4, while Xeon w7-3555 moves to LGA4677 and DDR5.

Xeon w7-3555

2024

Why buy it

✅Better for gaming: +21.0% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Smaller total L3 cache (75 MB vs 256 MB).
❌
0.7% HIGHER MSRP
$2,749 MSRPvs$2,730 MSRP
❌44.4% higher power demand at 325W vs 225W.

Quick Answers

So, is Xeon w7-3555 better than EPYC 7543P?

Yes. Xeon w7-3555 is the better all-around CPU here. It gives you a 21.0% average FPS lead across 50 shared CPU game tests in our data, 1.7% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon w7-3555 is the better pick. According to our tests, it delivers 21.0% 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, Xeon w7-3555 is the stronger fit. You are getting 1.7% better PassMark, backed by 28 cores and 56 threads.

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

Xeon w7-3555 is the better buy right now. Xeon w7-3555 comes in 0.7% more expensive on MSRP at $2,749 MSRP versus $2,730 MSRP, and it still gives you a 21.0% average FPS lead across 50 shared CPU game tests in our data. It is also 1.0% better value on MSRP (24.6 vs 24.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon w7-3555 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA4677 and DDR5 instead of SP3, more multi-core headroom with 28 cores / 56 threads instead of 32/64, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7543P vs Xeon w7-3555 Technical Specifications

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

EPYC 7543P

The EPYC 7543P is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 66,590 points. Launch price was $2,730.

Xeon w7-3555

The Xeon w7-3555 is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 75 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 325 Watt. Memory support: DDR5-4800. Passmark benchmark score: 67,754 points. Launch price was $2,339.

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Processing Power

The EPYC 7543P packs 32 cores / 64 threads, while the Xeon w7-3555 offers 28 cores / 56 threads — the EPYC 7543P has 4 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543P versus 4.8 GHz on the Xeon w7-3555 — a 25.9% clock advantage for the Xeon w7-3555 (base: 2.8 GHz vs 2.7 GHz). The EPYC 7543P uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w7-3555 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7543P scores 66,590 against the Xeon w7-3555's 67,754 — a 1.7% lead for the Xeon w7-3555. L3 cache: 256 MB (total) on the EPYC 7543P vs 75 MB on the Xeon w7-3555.

Feature	EPYC 7543P	Xeon w7-3555
Cores / Threads	32 / 64+14%	28 / 56
Boost Clock	3.7 GHz	4.8 GHz+30%
Base Clock	2.8 GHz+4%	2.7 GHz
L3 Cache	256 MB (total)+241%	75 MB
L2 Cache	512 kB (per core)	2 MB (per core)+300%
Process	7 nm+	Intel 7 nm
Architecture	Milan (2021−2023)	Sapphire Rapids (2023−2024)
PassMark	66,590	67,754+2%
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	17,120

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Memory & Platform

The EPYC 7543P uses the SP3 socket (PCIe 4.0), while the Xeon w7-3555 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543P versus DDR5-4800 on the Xeon w7-3555 — the Xeon w7-3555 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7543P) vs 112 (Xeon w7-3555) — the EPYC 7543P offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7543P) and W790 (Xeon w7-3555).

Feature	EPYC 7543P	Xeon w7-3555
Socket	SP3	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	DDR5-4800+50%
Max RAM Capacity	4096 GB	4096 GB
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+14%	112

🔧

Advanced Features

Only the Xeon w7-3555 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w7-3555 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7543P) vs true (Xeon w7-3555). Direct competitor: EPYC 7543P rivals Xeon Platinum 8380; Xeon w7-3555 rivals Threadripper PRO 7965WX.

Feature	EPYC 7543P	Xeon w7-3555
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

At launch, the EPYC 7543P was priced at $2730, while the Xeon w7-3555 came in at $2749. On launch pricing ($2730 vs $2749), EPYC 7543P was $19 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543P delivers 24.4 pts/$ vs 24.6 pts/$ for the Xeon w7-3555 — making the Xeon w7-3555 the 1% better value option.

Feature	EPYC 7543P	Xeon w7-3555
MSRP	$2730	$2749
Performance per Dollar	24.4	24.6
Release Date	2021	2024

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