EPYC 7543P vs Xeon w9-3475X

CPU

GPU

EPYC 7543P

32 Cores64 Thrd225 WWMax: 3.7 GHz2021

EPYC family

·······

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Xeon w9-3475X

36 Cores72 Thrd300 WWMax: 4.8 GHz2023

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EPYC 7543P vs Xeon w9-3475X Performance Spectrum

EPYC 7543P

32 / 64

66,590

+2.3%

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Xeon w9-3475X

36 / 72

65,077

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 7543P vs Xeon w9-3475X 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 w9-3475X: 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

✅+2.3% higher PassMark.
✅+210.3% larger total L3 cache (256 MB vs 83 MB).
✅Costs $1,009 less on MSRP ($2,730 MSRP vs $3,739 MSRP).
✅Delivers 40.1% more PassMark for each dollar spent, at 24.4 vs 17.4 PassMark/$ ($2,730 MSRP vs $3,739 MSRP).
✅Draws 225W instead of 300W, a 75W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w9-3475X across 50 shared CPU benchmark tests.
❌Older platform position on SP3 with DDR4, while Xeon w9-3475X moves to LGA4677 and DDR5.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon w9-3475X

2023

Why buy it

✅Better for gaming: +20.7% 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

❌Lower PassMark (65,077 vs 66,590).
❌Smaller total L3 cache (83 MB vs 256 MB).
❌Lower PassMark per dollar, at 17.4 vs 24.4 PassMark/$ ($3,739 MSRP vs $2,730 MSRP).
❌33.3% higher power demand at 300W vs 225W.

Quick Answers

So, is EPYC 7543P better than Xeon w9-3475X?

It depends on what you want from the system. For gaming, Xeon w9-3475X is ahead with a 20.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7543P pulls ahead with 2.3% better PassMark. EPYC 7543P also has the bigger cache pool with 210.3% larger total L3 cache (256 MB vs 83 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 7543P is the stronger fit. You are getting 2.3% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 210.3% larger total L3 cache (256 MB vs 83 MB).

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

EPYC 7543P is the better buy right now. EPYC 7543P comes in $1,009 cheaper on MSRP at $2,730 MSRP versus $3,739 MSRP, and it still gives you 2.3% better PassMark. The compromise is that Xeon w9-3475X is still the better pure gaming CPU with a 20.7% average FPS lead across 50 shared CPU game tests in our data. It is also 40.1% better value on MSRP (24.4 vs 17.4 PassMark/$), 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 w9-3475X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with LGA4677 and DDR5 instead of SP3, 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 w9-3475X 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 w9-3475X

The Xeon w9-3475X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 36 cores and 72 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 300 Watt. Memory support: DDR5-4800. Passmark benchmark score: 65,077 points. Launch price was $3,739.

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Processing Power

The EPYC 7543P packs 32 cores / 64 threads, while the Xeon w9-3475X offers 36 cores / 72 threads — the Xeon w9-3475X has 4 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543P versus 4.8 GHz on the Xeon w9-3475X — a 25.9% clock advantage for the Xeon w9-3475X (base: 2.8 GHz vs 2.2 GHz). The EPYC 7543P uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w9-3475X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7543P scores 66,590 against the Xeon w9-3475X's 65,077 — a 2.3% lead for the EPYC 7543P. L3 cache: 256 MB (total) on the EPYC 7543P vs 82.5 MB on the Xeon w9-3475X.

Feature	EPYC 7543P	Xeon w9-3475X
Cores / Threads	32 / 64	36 / 72+13%
Boost Clock	3.7 GHz	4.8 GHz+30%
Base Clock	2.8 GHz+27%	2.2 GHz
L3 Cache	256 MB (total)+210%	82.5 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+2%	65,077
Geekbench 6 Single	—	1,814
Geekbench 6 Multi	—	44,869

🧠

Memory & Platform

The EPYC 7543P uses the SP3 socket (PCIe 4.0), while the Xeon w9-3475X 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 w9-3475X — the Xeon w9-3475X 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 w9-3475X) — the EPYC 7543P offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7543P) and W790 (Xeon w9-3475X).

Feature	EPYC 7543P	Xeon w9-3475X
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 w9-3475X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w9-3475X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7543P) vs true (Xeon w9-3475X). Direct competitor: EPYC 7543P rivals Xeon Platinum 8380; Xeon w9-3475X rivals Threadripper PRO 7965WX.

Feature	EPYC 7543P	Xeon w9-3475X
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 w9-3475X came in at $3739. On launch pricing ($2730 vs $3739), EPYC 7543P was $1009 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543P delivers 24.4 pts/$ vs 17.4 pts/$ for the Xeon w9-3475X — making the EPYC 7543P the 33.4% better value option.

Feature	EPYC 7543P	Xeon w9-3475X
MSRP	$2730-27%	$3739
Performance per Dollar	24.4+40%	17.4
Release Date	2021	2023

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