EPYC 7543P vs Xeon w9-3475X

CPU

GPU

EPYC 7543P

32 Cores64 Thrd225 WWMax: 3.7 GHz2021

Popular choices:

•••••••••

Xeon w9-3475X

36 Cores72 Thrd300 WWMax: 4.8 GHz2023

Popular choices:

•••••••••

Performance Spectrum - CPU

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.

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 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 4 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: +33.3% higher average FPS across 4 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.

EPYC 7543P

2021

Xeon w9-3475X

2023

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.

Why buy it

✅Better for gaming: +33.3% higher average FPS across 4 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

❌Worse for gaming: lower average FPS than Xeon w9-3475X across 4 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.

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 matters more to you. For gaming, Xeon w9-3475X is ahead with a 33.3% average FPS lead across 4 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 better fit. You are getting 2.3% better PassMark, backed by 32 cores and 64 threads. It also carries 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 smarter buy today. EPYC 7543P is $1,009 cheaper on MSRP at $2,730 MSRP versus $3,739 MSRP, and it gives you 2.3% better PassMark. The trade-off is that Xeon w9-3475X is still the better pure gaming CPU with a 33.3% average FPS lead across 4 shared CPU game tests in our data. It is also 40.1% better value on MSRP (24.4 vs 17.4 PassMark/$), 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?

Xeon w9-3475X is the more future-proof choice 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 should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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 7543P Benchmark Check

Xeon w9-3475X Benchmark Check

Path of Exile 2

Preset	EPYC 7543P	Xeon w9-3475X
1080p
low	198 FPS	316 FPS
medium	161 FPS	306 FPS
high	129 FPS	246 FPS
ultra	100 FPS	207 FPS
1440p
low	161 FPS	274 FPS
medium	126 FPS	237 FPS
high	98 FPS	178 FPS
ultra	78 FPS	157 FPS
4K
low	73 FPS	186 FPS
medium	61 FPS	159 FPS
high	47 FPS	120 FPS
ultra	39 FPS	108 FPS

Open EPYC 7543P Open Xeon w9-3475X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7543P	Xeon w9-3475X
1080p
low	507 FPS	384 FPS
medium	443 FPS	332 FPS
high	354 FPS	270 FPS
ultra	288 FPS	236 FPS
1440p
low	417 FPS	308 FPS
medium	373 FPS	273 FPS
high	308 FPS	232 FPS
ultra	243 FPS	190 FPS
4K
low	257 FPS	181 FPS
medium	234 FPS	162 FPS
high	205 FPS	151 FPS
ultra	171 FPS	133 FPS

Open EPYC 7543P Open Xeon w9-3475X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7543P	Xeon w9-3475X
1080p
low	850 FPS	1025 FPS
medium	705 FPS	1086 FPS
high	657 FPS	1020 FPS
ultra	580 FPS	875 FPS
1440p
low	612 FPS	1009 FPS
medium	506 FPS	913 FPS
high	464 FPS	839 FPS
ultra	405 FPS	656 FPS
4K
low	437 FPS	605 FPS
medium	339 FPS	521 FPS
high	303 FPS	465 FPS
ultra	245 FPS	400 FPS

Open EPYC 7543P Open Xeon w9-3475X

League of Legends

League of Legends

Valorant

Preset	EPYC 7543P	Xeon w9-3475X
1080p
low	992 FPS	1304 FPS
medium	900 FPS	1015 FPS
high	775 FPS	1002 FPS
ultra	671 FPS	866 FPS
1440p
low	763 FPS	1061 FPS
medium	665 FPS	918 FPS
high	569 FPS	800 FPS
ultra	490 FPS	656 FPS
4K
low	547 FPS	784 FPS
medium	488 FPS	685 FPS
high	428 FPS	583 FPS
ultra	370 FPS	437 FPS

Open EPYC 7543P Open Xeon w9-3475X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7543P and Xeon w9-3475X

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.

⚡

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 EPYC 7543P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 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+63900%	DDR5-4800
Max RAM Capacity	4096	4096 GB+104857500%
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

The EPYC 7543P launched at $2730 MSRP, while the Xeon w9-3475X debuted at $3739. On MSRP ($2730 vs $3739), the EPYC 7543P is $1009 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7543P delivers 24.4 pts/$ vs 17.4 pts/$ for the Xeon w9-3475X — making the EPYC 7543P the 33.4% better value option.